JP5783154B2 - Customer management device, customer management method, and program - Google Patents

Description

  The present invention relates to a customer management device, a customer management method, and a program for managing information on products purchased by a customer.

  In a POS (Point Of Sale) system that manages product sales information, information on each product sold on the storefront or on an EC (Electronic Commerce) site is stored. There are also stores that manage the information of each product sold in the past stored in such a system for each customer and use it for the promotion of the subsequent sales of the product.

  In Patent Document 1 below, purchase history information of a customer's product is read from the purchase management server, based on the read purchase history information, purchase product information for each customer is generated. A method is disclosed that leads to sales promotion of a product by issuing a receipt printed with access information to a homepage providing information to the customer.

JP 2006-172138 A

  According to the technique described in Patent Document 1 described above, customer-purchased product information based on customer purchase history information can be provided, and therefore a product sales promotion effect for customers can be expected. However, the technology described in Patent Document 1 manages information on each product purchased by each customer at its own store, but does not manage information on each product purchased at another store where each customer competes. . When promoting sales of products to customers, information on products purchased at other competing stores can be useful information.

  This invention is made | formed in view of such a situation, and provides the technique which acquires comprehensively the purchase information regarding the goods which the customer purchased from several purchase destinations.

  Each aspect of the present invention employs the following configurations in order to solve the above-described problems.

  A first aspect of the present invention relates to a customer management apparatus. The customer management device according to the first aspect includes a customer information acquisition unit that acquires customer identification information for identifying a customer, and management product purchase information including a product type of each product purchased by a purchaser that can be managed by each customer. Included in the read management product purchase information from the read unit for reading the management product purchase information corresponding to the customer identification information from the first information storage unit stored for each customer and the product type list having a plurality of product types Unmanaged purchase information including information on products purchased by customers from unmanaged purchasers for each product type included in the customer-specific product type list A display processing unit that displays an input screen to be input on the display unit; and an unmanaged information acquisition unit that acquires unmanaged purchase information input to the input screen.

  A 2nd aspect is related with the customer management method performed with a customer management apparatus. In the customer management method according to the second aspect, the customer management device acquires customer identification information for identifying a customer, and management product purchase information including a product type of each product purchased by a purchaser that can be managed by each customer, The management product purchase information corresponding to the customer identification information is read from the first information storage unit stored for each customer, and the product type included in the read management product purchase information is read from the product type list having a plurality of product types. Generates the excluded product type list for each customer and displays an input screen for entering unmanaged purchase information including information on products purchased by the customer at unmanaged purchasers for each product type included in the customer-specific product type list And acquiring unmanaged purchase information input on the input screen.

  As another aspect of the present invention, a program that causes at least one computer (customer management apparatus) to realize the configuration of each aspect described above may be used, or a computer that records such a program is readable. It may be a recording medium. This recording medium includes a non-transitory tangible medium.

  ADVANTAGE OF THE INVENTION According to this invention, the purchase information regarding the goods which the customer purchased from the several purchase destination can be acquired comprehensively.

It is a figure which shows notionally the hardware structural example of a customer management apparatus. It is a figure which shows notionally the process structural example of a part of customer management system which concerns on 1st Embodiment. It is a figure which shows an example of the information which the own store information storage part memorize | stores management merchandise. It is a figure which shows an example of a goods kind list. It is a figure which shows an example of the input screen which a customer management apparatus displays. It is a figure which shows an example of the purchase information outside management which an other store information storage part memorize | stores. It is a flowchart which shows the flow of a process of the customer management apparatus which concerns on 1st Embodiment. It is a figure which shows notionally some process structural examples of the customer management system which concerns on 2nd Embodiment. It is a flowchart which shows the flow of the 1st example in which a customer management apparatus transmits the information relevant to other shop purchase information. It is a flowchart which shows the flow of the 2nd example in which a customer management apparatus transmits the information relevant to other shop purchase information.

[First Embodiment]
〔Device configuration〕
FIG. 1 is a diagram conceptually illustrating a hardware configuration example of the customer management apparatus 10. As shown in FIG. 1, the customer management device 10 includes a CPU (Central Processing Unit) 2, a memory 3, a communication device 4, a display processing device 5, an input / output interface (I / F) 6, and the like. Each of these units is connected to the bus 7, for example. The memory 3 is a RAM (Random Access Memory), a ROM (Read Only Memory), a hard disk, a portable storage medium, or the like. The communication device 4 communicates with other devices in an unrelated or wired manner.

  A display device 9 such as a display is connected to the display processing device 5, and the display processing device 5 sends an image display signal for displaying an arbitrary screen to the display device in accordance with processing executed by the CPU 2. .

  An input / output device 8 is connected to the input / output I / F 6, and the input / output I / F 6 outputs sound or the like to the output device in accordance with processing executed by the CPU 2 and accepts an input signal from the input device. . The POS register device 1 includes a keyboard, a touch panel unit, and the like as the input / output device 8.

  In addition, this embodiment does not restrict | limit the hardware constitutions of the customer management apparatus 10 as mentioned above. For example, the keyboard provided in the customer management apparatus 10 as the input / output device 8 may be a hardware keyboard or a software keyboard.

[Processing configuration]
FIG. 2 is a diagram conceptually illustrating a part of a processing configuration example of the customer management system 1 according to the first embodiment. Further, since only the configuration related to the function of managing customer information is shown in FIG. 2, the customer management apparatus 10 includes a number of processing units other than the processing units illustrated. Moreover, in this embodiment, the case where this customer management system 1 is used in an appliance mass retailer is demonstrated to an example.

  The customer management system 1 includes a customer management device 10, a POS system 201, an EC site system 202, and a customer terminal 30. Here, the POS system 201 is a system that acquires and manages product information and the like of each product purchased by a customer from a POS terminal installed in each store. In addition, the EC site system 202 is a system that acquires and manages product information and the like of each product purchased by the customer at an EC site such as an online shop. The customer management device 10 is a device that acquires product information managed by the POS system 201 and the EC site system 202 and manages information related to products purchased by the customer for each customer. The customer terminal 30 is a terminal used by the customer, and is, for example, a portable terminal such as a mobile phone or a PDA (Personal Digital Assistant), a stationary desktop PC (Personal computer), or the like.

  The customer management apparatus 10 includes a customer information acquisition unit 101, a first information storage unit 102, a reading unit 103, a generation unit 104, a display processing unit 105, an unmanaged information acquisition unit 106, a second information storage unit 107, and the like.

  The customer information acquisition unit 101 acquires customer identification information for identifying each customer. Here, as customer identification information, information, such as customer ID allocated at the time of store member registration, can be used, for example.

  The first information storage unit 102 stores information including the product type indicating the type of product purchased by the customer using the POS system 201 or the EC site system 202 as managed product purchase information. FIG. 3 is a diagram illustrating an example of managed product purchase information stored in the first information storage unit 102. In the example of FIG. 3, the customer ID is information that enables each customer to be identified. The purchase date is information indicating the date and time when the customer purchased the product. The purchase store is information indicating a purchase place where the customer has purchased the product among purchase places that can be managed by the customer management system 1. As described above, the product type is information indicating the type of product purchased by the customer. The manufacturer name is information indicating the manufacturer of the product purchased by the customer. The product name / model number is information indicating the product name or model number of the product purchased by the customer. Further, the information shown in FIG. 3 is an example, and the present invention is not limited to this. The first information storage unit 102 acquires the managed product purchase information by communicating with the POS system 201 and the EC site system 202 when, for example, a customer purchases a product using the POS system 201 and the EC site system 202. .

  The reading unit 103 reads management product purchase information corresponding to the customer identification information acquired by the customer information acquisition unit 101 from the first information storage unit 102.

  The generation unit 104 generates a customer-specific product type list from which the product types included in the managed product purchase information read by the reading unit 103 are excluded from the product type list. Here, the product type list is list information in which types of a plurality of products that the store side desires to obtain information from customers is listed, for example, as shown in FIG. The product type list may be set in advance in the generation unit 104, or may be stored in a storage unit (not shown), and the generation unit 104 may read out from the storage unit. FIG. 4 is a diagram illustrating an example of the product type list, and the types of products included in the product type list are not limited thereto. In the present embodiment, the generation unit 104 generates the customer-specific product type list by excluding only the information stored in the first information storage unit 102. 2 The unmanaged purchase information stored in the information storage unit 107 may be further excluded to generate a customer-specific product type list.

  The display processing unit 105 causes the display unit (not shown) of the customer terminal 30 to display an input screen for inputting unmanaged purchase information in which the customer-specific product type list generated by the generation unit 104 is set. Here, the unmanaged purchase information means information related to products purchased by each customer at a purchase destination not managed by the customer management system 1. FIG. 5 is a diagram illustrating an example of the input screen 40 displayed by the customer management apparatus 10.

  The input screen 40 includes a product type list display area 41 and another store information input area 42. The product type list display area 41 is an area for displaying information indicating which product type should be input, and each product type included in the customer-specific product type list generated by the generation unit 104. Is displayed. The other store information input area 42 is an area for inputting information related to products purchased at other stores. The customer refers to each product type displayed in the product type list display area 41, and can grasp what information should be input to the other store information input area 42 as information related to the product purchased at the other store. The other store information input area 42 has an area for receiving an input of a product name or a product model number and a purchase date of the product. In addition to the information shown in FIG. 5, for example, an area for receiving an input such as a manufacturer name may be further included. Further, on the input screen 40, the user can arbitrarily input information in a field in which each product type included in the customer-specific product type list generated by the generation unit 104 is not set.

  The unmanaged information acquisition unit 106 acquires unmanaged purchase information input on the input screen displayed by the display processing unit 105.

  The second information storage unit 107 stores unmanaged purchase information acquired by the unmanaged information acquisition unit 106. FIG. 6 is a diagram illustrating an example of unmanaged purchase information stored in the second information storage unit 107. Since the customer ID, purchase date, product type, manufacturer name, and product name / model number included in the unmanaged purchase information are the same as the managed product purchase information, description thereof is omitted. The purchase store included in the unmanaged purchase information is information indicating a purchase destination that is not managed by the customer management system 1 where the customer has purchased the product.

[Operation example]
Hereinafter, the process flow of the customer management apparatus 10 according to the first embodiment will be described with reference to FIG. FIG. 7 is a flowchart showing a process flow of the customer management apparatus 10 according to the first embodiment.

  The customer management apparatus 10 acquires customer identification information for identifying each customer (S102). For example, the customer management device 10 displays a screen for inputting customer identification information on a customer's PC or mobile terminal, and allows the customer to input customer identification information or to be distributed to each customer who has registered as a member. Is read with a card reader or the like to obtain customer identification information.

  And the customer management apparatus 10 acquires the management merchandise purchase information corresponding to the customer identification information acquired by S102 from the 1st information storage part 102 (S104). When the first information storage unit 102 stores the management product purchase information as shown in FIG. 3 and the customer identification information acquired in S102 is “ID001”, the customer management device 10 stores the customer identification information. Each piece of information associated with “ID001” is acquired as managed product purchase information corresponding to the customer.

  Then, the customer management device 10 excludes the product type included in the managed product purchase information acquired in S104 from the product types preset in the product type list, and generates a customer-specific product type list ( S106). As described above, when the managed product purchase information corresponding to the customer identification information “ID001” is acquired, the customer management device 10 in the product type list as shown in FIG. 4, “TV”, “digital camera”, “ Exclude “video”, “vacuum cleaner” and “washing machine”. As a result, a customer-specific product type list including “personal computer”, “mobile phone”, and “refrigerator” as product types is generated.

  Then, the customer management apparatus 10 generates screen data of the input screen in which the customer-specific product type list generated in S106 is set (S108). Then, the customer management device 10 displays the generated screen data on a display unit such as a display. In the example described above, “PC”, “mobile phone”, and “refrigerator” are displayed in the product type list display area 41.

  The customer management apparatus 10 acquires the unmanaged purchase information input in the other store information input area 42 of the input screen 40 (S110). For example, when the information shown in FIG. 5 is input, the customer management apparatus 10 determines that the product type is “PC”, the product name or model number is “PC-XXXX”, and the purchase date is “August 2006”. Information that the purchase store is “□□ Chain XX store”, the product type is “mobile phone”, the product name or model number is “NN-YYY”, the purchase date is “June 20, 2007”, and the purchase store is Information on “□□ Chain XX store” is acquired as unmanaged purchase information.

  The customer management apparatus 10 stores the unmanaged purchase information acquired in S110 in the second information storage unit 107 (S112). If the information shown in FIG. 5 is input, the product type is “PC”, the product name or model number is “PC-XXXX”, the purchase date is “August 2006”, and the purchase store is “□□ chain”. XX store information, product type is “mobile phone”, product name or model number is “NN-YYY”, purchase date is “June 20, 2007”, and purchase store is “□□ chain XX store” Is stored in the second information storage unit 107. Here, the customer management device 10 specifies the manufacturer name by searching a product information storage unit (not shown) that stores detailed information of each product using the product name and model number, and the specified manufacturer name May be further stored in the second information storage unit 107.

[Operation and Effect in First Embodiment]
In many cases, the customer (user) does not store information about the purchase destination or the product (manufacturer, etc.) for each product already owned. Therefore, it is difficult for a general input screen to allow a customer to input a product purchased from an unmanaged purchaser.

  Therefore, in the first embodiment, the product type that the store side desires to obtain information from the customer and excludes the product type that the customer already has in the store from the product type list that lists a plurality of product types. A customer-specific product type list is generated. And the input screen 40 for inputting the information of the product purchased at the other store in which the generated product type list for each customer is set is displayed on the display unit of the customer terminal 30 such as the customer's PC or mobile terminal. The

  As a result, according to the present embodiment, the customer can know the product type purchased at an unmanaged purchaser from the input screen 40 and input only the product type displayed on the input screen 40. Therefore, it is possible to prompt the user to input product purchase information. Furthermore, in the present embodiment, since product purchase information purchased from manageable purchasers is also acquired, purchase information relating to products purchased by a customer from a plurality of purchasers can be acquired comprehensively.

  In addition, it is desirable to give some incentives such as giving points to customers as information on products purchased at unmanaged purchasers is input. By doing in this way, the customer can be made to more actively input information on products purchased at unpurchased purchase destinations.

[Second Embodiment]
In 2nd Embodiment, the customer management apparatus 10 provides the customer, the store, and the maker with the information based on the information of the goods purchased in the other store acquired in 1st Embodiment. Hereinafter, the customer management apparatus 10 according to the second embodiment will be described focusing on the content different from the first embodiment. In the following description, the same contents as those in the first embodiment are omitted as appropriate.

[Processing configuration]
FIG. 8 is a diagram conceptually illustrating a part of a processing configuration example of the customer management system according to the second embodiment. In the second embodiment, the customer management apparatus 10 further includes a product information storage unit 108 and an information providing unit 109 in addition to the first embodiment.

  The product information storage unit 108 stores detailed product information as information about each product. This detailed product information includes general information such as product name, model number, manufacturer name, price, etc., for example, size information such as product capacity and dimensions, optional information such as peripheral devices, series information such as successor models, Detailed information such as the product cycle of the product type is included.

  The information providing unit 109 receives various pieces of information generated based on the managed product purchase information stored in the first information storage unit 102 and the unmanaged purchase information stored in the second information storage unit 107, for customers, stores Or provide to manufacturers. The information provided from the information providing unit 109 can be different information for the customer and the store or manufacturer. For example, the information to be provided to the customer includes information on option products and series products for products purchased at a management destination and an unmanaged purchase destination, or information on replacement timing of the products. In this case, the information providing unit 109 acquires the detailed product information as described above from the product information storage unit 108 using the product name and model number included in the managed product purchase information and the non-managed purchase information.

[Operation example]
Hereinafter, the processing flow of the customer management apparatus 10 according to the first embodiment will be described with reference to FIGS. 9 and 10. FIG. 9 is a flowchart showing a flow of a first example in which the customer management apparatus 10 transmits information based on managed product purchase information and unmanaged purchase information. FIG. 10 is a flowchart showing a flow of a second example in which the customer management apparatus 10 transmits information based on managed product purchase information and unmanaged purchase information.

  First, a first example in which the customer management apparatus 10 transmits information based on managed product purchase information and unmanaged purchase information will be described with reference to FIG. In the first example, an example in which the customer management device 10 spontaneously transmits information to a customer will be described.

  The customer management apparatus 10 acquires managed product purchase information stored in the first information storage unit 102 and unmanaged purchase information stored in the second information storage unit 107 (S202). At this time, the customer management apparatus 10 acquires managed product purchase information having the same customer identification information and unmanaged purchase information in association with each other. And the customer management apparatus 10 produces | generates the information (related information for customers) relevant to the goods purchased in other stores based on the information included in the managed product purchase information and the unmanaged purchase information acquired in S202 ( S204). For example, the customer management device 10 uses the information such as the product name and model number of the managed product purchase information and the non-managed purchase information, and the manufacturer name, and the like, from the product information storage unit 108, information on the peripheral device and information on the successor model. Obtaining and generating customer related information. Further, the customer management apparatus 10 determines the replacement time from the product name, model number, and purchase date included in the managed product purchase information and the non-managed purchase information, and the product cycle information of the product stored in the product information storage unit 108. Can be calculated. Then, the customer management apparatus 10 can also acquire replacement product information for a product that is determined to be near the replacement date, for example, the remaining product cycle is less than a certain period, and provide the information as customer related information.

  Then, the customer management apparatus 10 transmits the customer related information generated in S204 to the customer terminal 30 such as a PC or a mobile phone held by the customer (S206). The address of the customer terminal 30 can be obtained, for example, by having the customer input an address for information transmission at the time of member registration.

  The above is the flow of the first example in which the customer management apparatus 10 transmits information based on managed product purchase information and unmanaged purchase information.

  Moreover, although the customer management apparatus 10 showed the example which transmits the customer relevant information spontaneously with respect to a customer in the example mentioned above, the request | requirement of the customer relevant information from the customer terminal 30 besides this is also shown. The customer related information may be transmitted to the customer terminal 30 that has received and transmitted the request. In this case, the customer management apparatus 10 may perform a process of acquiring customer identification information for identifying the customer terminal 30 that transmitted the request before S202.

  Next, a second example in which the customer management apparatus 10 transmits information based on managed product purchase information and non-managed purchase information will be described with reference to FIG. In the second example, an example in which the customer management device 10 transmits information to a store or a manufacturer will be described.

  The customer management apparatus 10 acquires managed product purchase information stored in the first information storage unit 102 and unmanaged purchase information stored in the second information storage unit 107 (S302). Then, the customer management apparatus 10 transmits the information included in the managed product purchase information and the non-managed purchase information acquired in S302 to the store or manufacturer as it is (S304). In the store or manufacturer, it is possible to grasp what products the customer has purchased at each of the management destination and the non-management purchaser, and this can be used for future sales strategies.

  The above is the flow of the second example in which the customer management apparatus 10 transmits information based on managed product purchase information and non-managed purchase information.

  In the example described above, the customer management apparatus 10 transmits all of the managed product purchase information and the unmanaged purchase information acquired in S302 as they are, but the information to be transmitted is not limited thereto. For example, the customer management apparatus 10 may select and transmit information necessary for establishing a sales promotion strategy from managed product purchase information and unmanaged purchase information. Further, the customer management device 10 determines, based on the management product purchase information and the non-management purchase information, and the customer information associated with the customer identification information included in the management product purchase information and the non-management purchase information, for each age group, For each gender, information indicating statistically what kind of product is sold may be generated and transmitted.

  Furthermore, the customer management apparatus 10 can further obtain and provide the capacity, dimensions, and the like of the corresponding product from the model number included in the managed product purchase information and the non-managed purchase information, for example. In this case, the customer management apparatus 10 specifies managed product purchase information and non-managed purchase information from customer identification information acquired by reading a customer's membership card or the like with an employee terminal or the like. Then, the customer management apparatus 10 retrieves detailed product information from the product information storage unit 108 using information such as the model number included in the specified managed product purchase information and unmanaged purchase information, and the size of the corresponding product etc. And send it to the employee terminal. Thereby, the employee standing at the sales floor can recommend an appropriate product according to the product currently owned by the customer, and can prompt the customer to purchase the product.

[Operations and effects in the second embodiment]
In the second embodiment, based on the unmanaged purchase information, information including products purchased by each customer at a purchase destination outside the management of the customer management system 1 is provided to the customer, store, or manufacturer. Thereby, according to this embodiment, the customer can obtain useful information regarding the product regardless of which store the customer has purchased. Also, stores and manufacturers can make more detailed sales promotion strategies in the future by obtaining information including products purchased by customers at unmanaged purchasers.

[Modification]
As mentioned above, although embodiment of this invention was described with reference to drawings, these are the illustrations of this invention, Various structures other than the above are also employable. For example, the customer management device 10 has only the first information storage unit 102 and the second information storage unit 107, and other devices existing outside the customer management device 10 have other processing units. Good.

  Moreover, in 2nd Embodiment, although the customer management apparatus 10 provided the information based on management merchandise purchase information and non-management purchase information with respect to a customer, a store, or a user, the customer management apparatus 10 is shown. Alternatively, information based only on unmanaged purchase information may be provided.

  Moreover, in each embodiment mentioned above, although the 1st information storage part 102 and the 2nd information storage part 107 are distinguished, respectively, the 1st information storage part 102 and the 2nd information storage part 107 are combined, and one It may be a storage unit. In such a case, in addition to the information as shown in FIG. 3 and FIG. 6, the customer management apparatus 10 gives each information an identifier that distinguishes the managed product purchase information from the unmanaged purchase information. That's fine.

  Further, in each of the above-described embodiments, the home appliance mass retailer has been described as an example of the store, but the form of the store is not limited to this, and may be another mass retailer such as a furniture store or a sporting goods store.

  Moreover, in each flowchart used by the above-mentioned description, although several process (process) is described in order, the execution order of the process performed by each embodiment is not limited to the description order. In each embodiment, the order of the illustrated steps can be changed within a range that does not hinder the contents. Moreover, each above-mentioned embodiment can be combined in the range in which the content does not conflict.

1 Customer management system 2 CPU
3 Memory 4 Communication Device 5 Display Processing Device 6 Input / Output I / F
7 Bus 8 Input / Output Device 9 Display Device 10 Customer Management Device 30 Customer Terminal 40 Input Screen 41 Product Type List Display Area 42 Other Store Information Input Area 101 Customer Information Acquisition Unit 102 First Information Storage Unit 103 Reading Unit 104 Generation Unit 105 Display Processing unit 106 Non-management information acquisition unit 107 Second information storage unit 108 Product information storage unit 109 Information providing unit 201 POS system 202 EC site system

Claims (7)

A customer information acquisition unit for acquiring customer identification information for identifying a customer;
The managed product purchase information corresponding to the customer identification information is stored in the first information storage unit that stores, for each customer, the managed product purchase information including the product type of each product purchased by each customer. A reading unit for reading;
A generating unit that generates a product type list for each customer, excluding product types included in the read management product purchase information, from a product type list having a plurality of the product types;
A display processing unit for displaying on the display unit an input screen for inputting unmanaged purchase information including information on products purchased by the customer at an unmanaged purchase destination for each product type included in the product type list by customer;
An unmanaged information acquisition unit that acquires the unmanaged purchase information input to the input screen;
Having customer management device.   An information providing unit that provides information on products purchased by each customer, generated from unmanaged purchase information acquired by the unmanaged information acquisition unit and managed product purchase information stored in the first information storage unit The customer management apparatus according to claim 1, further comprising:   By using the unmanaged purchase information acquired by the unmanaged information acquisition unit and the managed product purchase information stored in the first information storage unit, by referring to the product information storage unit that stores information about the product, The customer management apparatus according to claim 1, further comprising an information providing unit that provides information related to a product purchased by each customer. Customer management device
Get customer identification information to identify customers,
The managed product purchase information corresponding to the customer identification information is stored in the first information storage unit that stores, for each customer, the managed product purchase information including the product type of each product purchased by each customer. reading,
From the product type list having a plurality of the product types, generate a product type list for each customer, excluding the product types included in the read managed product purchase information,
For each product type included in the customer-specific product type list, display an input screen for inputting unmanaged purchase information including information on products purchased by the customer at an unmanaged purchase destination on the display unit,
Obtaining the unmanaged purchase information entered on the input screen;
Including customer management methods. The customer management device is
5. The method according to claim 4, further comprising providing information on a product purchased by each customer generated from the acquired unmanaged purchase information acquired and managed product purchase information stored in the first information storage unit. Customer management method. The customer management device is
Using the acquired unmanaged purchase information and the managed product purchase information stored in the first information storage unit, by referring to a product information storage unit that stores information related to products, each customer has purchased 5. The customer management method according to claim 4, further comprising providing information related to the product. In customer management equipment,
A customer information acquisition unit for acquiring customer identification information for identifying a customer;
The managed product purchase information corresponding to the customer identification information is stored in the first information storage unit that stores, for each customer, the managed product purchase information including the product type of each product purchased by each customer. A reading unit for reading;
A generating unit that generates a product type list for each customer, excluding product types included in the read management product purchase information, from a product type list having a plurality of the product types;
A display processing unit for displaying on the display unit an input screen for inputting unmanaged purchase information including information on products purchased by the customer at an unmanaged purchase destination for each product type included in the product type list by customer;
An unmanaged information acquisition unit that acquires the unmanaged purchase information input to the input screen;
A program that realizes

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