KR101500294B1 - Patent Analysis System and Method therefor and Computer Readable Recording Medium whereon Program therefor is Recorded - Google Patents
Patent Analysis System and Method therefor and Computer Readable Recording Medium whereon Program therefor is Recorded Download PDFInfo
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- KR101500294B1 KR101500294B1 KR20140017479A KR20140017479A KR101500294B1 KR 101500294 B1 KR101500294 B1 KR 101500294B1 KR 20140017479 A KR20140017479 A KR 20140017479A KR 20140017479 A KR20140017479 A KR 20140017479A KR 101500294 B1 KR101500294 B1 KR 101500294B1
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
Abstract
The present invention relates to a patent analysis system and method, and a recording medium on which a program for executing the method is recorded. The patent analysis system includes a collection unit for collecting citation information from a patent database storing a plurality of patent- A storage unit for storing the citation data in a first area of the patent database; and a storage unit for storing the citation data in a first search condition input through a user interface connected to the patent database A filter for outputting patent analysis data obtained by filtering the citation data having no citation relation among the first patent group extracted by the extraction unit, And an output control unit configured according to the format or setting of the graphic user interface.
Description
The present invention relates to a patent analysis system and method, and a recording medium on which a program for executing the system and method is recorded.
In the current knowledge-based society where the world has a single market economy structure beyond a single country or community or a single country, it is necessary to protect patents in the manufacture, production, distribution, Is growing rapidly.
In such an environment, a large amount of time is required to search for and classify related patents in the analysis of a myriad of existing patents. Therefore, in the analysis of a specific product or patent related to a company, a lot of cost and manpower are required, but there is no alternative yet.
The present invention is based on a patent database in which patent-related information (source data) in the same or similar patent technical classification is stored in relation to a specific patent matter (disclosed or registered patent matter) to be analyzed, A patent analysis system and method capable of improving the ease of patent analysis and the user's convenience by outputting the relationship in a graphic form in a single screen or a single web page, and a computer readable recording medium on which a program for executing the method is recorded ≪ / RTI >
According to an aspect of the present invention, there is provided a patent analysis system comprising: a collection unit for collecting citation information from a patent database storing a plurality of patent-related information; A converting unit for analyzing the system identifier of the citation information collected by the collecting unit and generating citation data; A storage unit for storing the citation data in a first area of the patent database; An extraction unit for extracting a first patent group from citation data according to a first search condition input through a user interface connected to a patent database; A filter for outputting patent analysis data in which citation data without a citation relation among the first patent group extracted by the extraction unit is filtered; And an output control unit for configuring the output format of the patent analysis data according to the format or setting of the graphic user interface.
According to another aspect of the present invention, there is provided a method for analyzing a patent, comprising: collecting citation information of each patent-related information in a patent database storing a plurality of patent-related information, wherein the citation information includes a citation of the inventor and an examiner, Included -; Analyzing the system identifier of the collected citation information to generate citation data; Storing the citation data in a first area of the patent database; Extracting a first patent group from the citation data according to a first search condition input through a user interface connected to the patent database; Outputting patent analysis data obtained by filtering citation data having no citation relation among extracted first patent groups; And configuring an output form of the patent analysis data according to the format or setting of the graphic user interface.
According to another aspect of the present invention, there is provided a computer-readable recording medium on which a program for executing the above-described patent analysis method is recorded.
According to the present invention, based on a patent database storing information related to a patent in the same or similar patent technical classification related to a specific disclosure or registered patent subject to be analyzed, A patent analysis system and method for outputting in a graphic form in an interactive form on a web page to improve the ease of patent analysis and user's convenience and a computer readable recording medium on which a program for executing the patent analysis system and method can be provided.
1 is a schematic diagram of a patent analysis system according to an embodiment of the present invention;
2 is a block diagram of a DB control unit of the patent analysis system of FIG.
3 is a flowchart of a method for analyzing a patent according to an embodiment of the present invention
FIG. 4 is a flow chart of a data processing procedure of the patent analysis method of FIG.
Figure 5 is an exemplary diagram of the data processing procedure of Figure 4;
Figure 6 is an illustration of a user interface that can be employed in the patent analysis system and method of the present invention
7 is an exemplary diagram of a road map created using the patent analysis system of the present invention
Hereinafter, preferred embodiments will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail to avoid unnecessarily obscuring the subject matter of the present invention. In order to clearly explain the present invention in the drawings, parts not related to the description are omitted, and similar parts are denoted by similar reference numerals throughout the specification.
1 is a schematic block diagram of a patent analysis system according to an embodiment of the present invention. 2 is a block diagram of a DB control unit of the patent analysis system of FIG.
Referring to FIG. 1, a
A user using the
More specifically, the DB
The
The
In the case described above, the collecting
The
In addition, when the citation information includes a plurality of document numbers, the
The storage unit stores the citation data in the first area of the patent database (13). The storage unit may be a part of the
The extracting
The extracting
The
The
The
In addition, the
The patent DB 13 stores a plurality of patent-related information. The patent-related information includes information about a public patent or a registered patent. The patent-related information may include a citation document number provided to the inventor or applicant or a cited document number. In addition, the patent-related information may include a citation document number or a citation document number provided to the examiner.
For example, the patent-related information of the
In the use of the
In addition, according to the present embodiment, the user can easily retrieve desired data by simply inputting a few conditions within the data retrieval condition through the
The
According to the above-described configuration, the
First, a composite citation relationship for a number of patent cases of a specific patent technology classification can be output on a single screen.
Here, the screen of the user interface can be displayed divided into inquiries about patent analysis scope and inquiries about specific patent cases. For range lookups, you can see at a glance the citation relationships between the date range and all patent cases in that technology area. And, in the case of a specific patent inquiry, it is possible to grasp all the quotations and patron status by focusing on specific patent cases.
Of course, when selecting a specific patent case in the scope inquiry, it is possible to grasp the relation between quotation and cited persons on a single screen, centering on a specific patent case, in a similar manner to the case of a specific patent case inquiry, , The relation between quotations and cited persons can be regrouped and output based on the patent case.
Second, it is possible to easily generate a report image by previewing a graph of a specific format including a citation relationship diagram and selecting a desired graph.
In the selection and generation of the citation relation graph, the
Third, it is easy to generate an exponential graph for citation data based on citations.
Upon creation of the exponential graph, the
There are AI (patent activity index), CPP (citation index), PII (patent impact index), TS (technical power index) and PFS (market security index). Here, the patent activity index is the ratio of the number of applications of a specific country (enterprise) in the relevant technology field to the total number of applications in a specific technology field, the quotation index is a ratio of the number of patents to the number of patents, The number of patents is multiplied by the number of patents and the effect of patents. The market security index is the ratio of the average number of patent families in the country (enterprise) to the total number of patents in the total number of patents.
Fourth, the roadmap can be effectively implemented based on the citation relationships.
That is, according to the patent analysis system of this embodiment, it is possible to implement a road map for a desired object (citation data in a specific technical field) by simply inputting a simple condition, and it is possible for the user to input only a minimum amount of information The target patent cases can be expressed in a road map easily. It is also possible to place a separate list at the bottom of all the patent cases shown on the road map, so that more detailed information can be easily accessed.
3 is a flowchart of a method for analyzing a patent according to an embodiment of the present invention.
Referring to FIG. 3, in the patent analysis method according to the present embodiment, citation information of each patent-related information is collected in a patent database storing a plurality of patent information, citation data is generated by analyzing system identifiers of collected citation information Extracts a first patent group from the citation data according to a first search condition input through a user interface connected to the patent database, and extracts a citation relationship among the extracted first patent group And output data of the patent analysis data is structured according to the format and setting of the graphic user interface.
The patent analysis method according to the present embodiment collects citation information of each patent-related information in a patent database storing a plurality of patent information, generates citation data by analyzing system identifiers of the collected citation information, Extracts a reference key (a specific patent case) from the cited data according to a second search condition input through a user interface connected to the patent database, stores the coded reference data in a first area of the patent database, And outputting the patent analysis data having the relationship and the relationship for the patronage, and displaying the extracted patent analysis data through the graph module and outputting it to the screen of the user interface.
More specifically, the procedure will be described. First, the patent analysis system collects quotation information from the patent database (S31).
Next, the patent analysis system converts the document number of the citation information into the system ID (S32). That is, the patent analysis system generates the system ID matching the document number and manages the document number by the system ID. To this end, the patent analysis system may generate a lookup table matching the document number and the system ID and store the lookup table in a separate area (first area, etc.) of the patent database. The first region may be a region different from a predetermined region of the patent database in which patent related information is stored. The system ID and the lookup table described above are included in the citation data.
Next, the patent analysis system processes the citation data (hereinafter referred to as first citation data) converted into the system ID and stores it in the first area of the patent DB (S33). That is, the patent analysis system generates the second citation data (see FIG. 5 (b)) by analyzing the connection relationship (citation or citation relationship, etc.) of the citation data of each patent case converted into the system ID, The data for two persons is stored in the analysis DB.
Next, the patent analysis system receives the search condition for analyzing the patent through the user interface, and determines whether the search condition is the first search condition A or the second search condition B (S34). In the present embodiment, the first search condition is a user setting (first user setting) for analyzing a quotation relationship with respect to all patent cases in a specific technical classification, and the second search condition is based on a specific patent matter in a specific technical classification And a user setting (second user setting) for analyzing the quotation relationship.
Next, the patent analysis system performs the citation relationship analysis in the first operation mode or the second operation mode according to the search condition. For example, when the first search condition is set, the patent analysis system analyzes the citation data in the technical classification according to the first search condition and collects the first patent group (S35). The data of the first patent group can be filtered so as to eliminate patent cases without quotation (S36). A plurality of patent cases of the filtered first patent group are stored in the analysis DB in a separate database together with definitions of mutual citations and cited relationships. The filtered first patent group stored in the analysis DB or the first patent group in which filtering is omitted becomes patent analysis data (first patent analysis data) generated under the search conditions.
On the other hand, if the second search condition is set, the patent analysis system extracts a specific patent case (hereinafter, referred to as a reference case) according to the second search condition (S35a). Then, the citation and cited data of the criterion are collected (S36a). Here, the citation and cited data are searched for the system ID stored in advance in the analysis DB or the system ID in the lookup table, and after the citation data including the citation data (front-to-rear relationship or quoted / cited relationship) It can be created by storing patent cases and their relations in a separate database. The citation and cited data are patent analysis data (second patent analysis data) generated under the search conditions.
Next, the patent analysis system configures the patent analysis data according to the format of the graph module (S37). That is, the patent analysis system can rearrange the data according to the format of the graph module to output the patent analysis data to the user interface having the interactive screen. The patent analysis data configured according to the format of the graph module is output to the screen of the user interface (S38).
4 is a flowchart of a data processing procedure of the patent analysis method of FIG.
Referring to FIG. 4, the patent analysis method according to the present embodiment includes processing (see S33 in FIG. 3) citation data (first citation data) of each patent claim to obtain a plurality of first citation The second citation data including the mutual relationship between the data (quotation and cited relationship) is generated, and the technical field or at least one specific patent case (disclosed or registered patent case) to be analyzed using the second citation data Based on a patent database storing information related to a patent in the same or similar technology field, a plurality of citations and quoted relationships among a plurality of patent cases are displayed in a graphic form in a single screen or a single web page. To this end, the patent analysis system can perform the following data processing procedures.
First, the DB controller of the patent analysis system deletes a specific character string from the citation information for one patent case, that is, the document number of the quotation or citing field (S331). This step is for deleting a character string which is not used or duplicated in the patent analysis system of this embodiment. The particular string may be, for example, '(BE)', '(FE)', 'WO', etc. In the case of the string 'WO', the corresponding document number is the PCT publication number, normally 'WO' is duplicated in the first two character positions.
Next, the DB control unit deletes the document type code from the document number (S332). Since the document type code is usually located at the last digit or two digits of the document number, the document type code can be deleted.
Next, the DB controller reads the country code from the document number, and deletes the country code (S333). Since the country code is normally located in the first two digits of the document number, the country code can be read and deleted after considering it. The read country code is set and stored in the corresponding document number.
Next, the DB control unit inquires the citation data of the patent database with the country code and the selected document number set for each patent case (S334). The selected document number refers to a number in which some of the text strings have been removed through the steps S331, S332, and S333.
Next, the DB controller converts the retrieved citation data related to the document number into the system ID of the relevant patent and stores the converted system ID (S335). The system ID includes a DB classification value (see 57 in FIG. 5) and a data classification value (see 59 and 60 in FIG. 5).
The DB break value is an identifier (ID) for the database in which the patent case is stored, and the data break value may include a citation ID and cited ID of at least one other patent citing the patent case. In this embodiment, the DB classification value is DB01, DB02, DB03, etc., and the data classification values are
On the other hand, if the relation for quotation or cited persons is not retrieved, the DB control unit may write a predetermined null identifier in the system ID storing field of the patent claim. For example, 'Not matched' may be used as the null identifier. Also, if the retrieval of the citation and the relationship for the cited persons fails, the DB control unit can store the original character string in the data classification value.
The following table 1 shows the results of performing the above-described data processing procedure on three document numbers randomly extracted from citation data of a plurality of patent-related information.
5 is another example of the data processing procedure of FIG.
Referring to FIG. 5, in the patent analysis method according to the present embodiment, the patent analysis system includes a reference key database ID (DB-ID) 51, a reference key data ID (Data-ID) 52 (FIG. 5 (a)), the total citation information [citation document (all)] 53 and the examiner citation information [citation document (examiner)] 54 fields.
In this embodiment, the DB-
When the first citation data for each patent case is prepared from a plurality of patent-related information, the patent analysis system performs a document number analysis work for each patent case (Fig. 5 (b)). If there is a citation or cited data for each document number as a result of the document number analysis, the system ID of the citation or cited data is stored so as to match the corresponding document number. The system ID is an identifier for at least one citation data belonging to the same patent database in the first patent technical classification, the first technical field, or the same technical field. In the present embodiment, data (Data 10) having the tenth serial number of the same database and data (Data 327) having the 327th serial number are matched and stored for Document No. KR2004-0025450A (BE), and document numbers KR2006-0064358A (Data11) having the 11th serial number in the same database are matched and stored, and a null identifier (Not matched) is stored in the system ID storage area because there is no matched citation data for document number KR2006-0098255A (BE) do.
When the document number analysis operation for all the citation data (first citation data) is completed, the patent analysis system searches the first citation data or each patent case for the DB-
According to the present embodiment, the patent analysis system can collect citations of patent cases and citations for citations in citation data and store citations and citations for all patent cases in citation data through system IDs. The sorted second citation data can be stored in an analysis DB or a patent database in the form of at least one lookup table or a separate database.
6 is an illustration of a user interface that can be employed in the patent analysis system and method of the present invention.
As shown in FIG. 6, the user interface of the patent analysis system according to the present embodiment includes a
In addition, the patent analysis system outputs a citation relationship diagram in a form that can interact with a user on a second area of the
7 is an exemplary diagram of a road map created using the patent analysis system of the present invention.
Referring to FIG. 7, the patent analysis system according to the present embodiment uses a second citation data stored by matching a citation and a relationship for a cited person through a user interface including a
As described above, according to the present embodiment, in the analysis of a large number of existing IPRs, it is possible to move away from the existing method of consuming a lot of time, money, and manpower to search for or classify IPRs that are related to each other, To provide a variety of reports that meet the needs of a small number of people.
In addition, it is possible to easily grasp the relationship between a large amount of intellectual property rights, the relationship between companies, and even the trend of technology by automatically generating a quotation relation for the intellectual property right that is impossible to solve by only the manpower. Particularly, in the case of the existing patent analysis service, the patent analysis system of this embodiment is insufficient because it shows only the relationship between the technology cited by the intellectual property rights and the technology citing the intellectual property right, It is possible to select a plurality of IPRs by scope and provide a plurality of citations at a time so that trends of specific technologies can be performed much more easily.
Meanwhile, the present invention can be embodied as a computer-readable code on a computer-readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored. Examples of the computer-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical storage, and the like. The computer readable recording medium may also be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It will be understood that various combinations and permutations and applications not illustrated in the embodiments are possible. Therefore, it should be understood that the technical contents related to the modification and application that can be easily derived from the embodiments of the present invention are included in the present invention.
10: Patent Analysis System
11: DB control unit
12: User Interface
13: Patent DB
14: Analysis DB
Claims (15)
A converting unit for analyzing the system identifier of the citation information collected by the collecting unit and generating citation data;
A storage unit for storing the citation data in a first area of the patent database;
An extraction unit for extracting a first patent group from the citation data according to a first search condition input through a user interface connected to the patent database;
A filter for outputting patent analysis data obtained by filtering citation data without a citation relation among the first patent group extracted by the extraction unit; And
An output control unit configured to configure an output form of the patent analysis data according to a format or a setting of a graphic user interface;
Lt; / RTI >
Wherein the collecting unit collects the citation of the inventor and the examiner in the plurality of patent-related information and the citation document number as the citation information,
The conversion unit deletes a specific character string or a specific character from the document number, deletes the document type code of the document number, sets and deletes the country code of the document number, and retrieves citation data having the country code (DB) classification value and data classification value of the citation or cited data of the criterion reference as the system identifier of the reference criterion.
Wherein the conversion unit is configured to assign a different data classification value to each document number when the citation information includes a plurality of document numbers and to output a signal for storing the original character string if the citation data fails to be retrieved, .
Wherein the extracting unit retrieves the first patent group by searching for a technical classification, a date, a country, and a quotation relationship type of the quotation data as an end condition.
And an analysis database connected in parallel to the patent database and storing the first patent group extracted by the extracting unit.
Wherein the extractor extracts a criterion from the citation data according to a second search condition input through the user interface, extracts patent data having a citation relationship and a cited relationship among the citation data around the criterion, And transmitting the extracted patent data to the output control unit.
Wherein the collection unit, the conversion unit, the extraction unit, the filter, and the output control unit are functional modules of a database control unit that executes a patent analysis program stored in the storage unit.
Analyzing the system identifier of the collected citation information to generate citation data;
Storing the citation data in a first area of the patent database;
Extracting a first patent group from the citation data according to a first search condition inputted through a user interface connected to the patent database by the extracting unit;
The method comprising the steps of: outputting patent analysis data in which a filter filters citation data not related to a citation among the extracted first patent group; And
The output control unit configuring the output format of the patent analysis data according to the format or setting of the graphic user interface;
Lt; / RTI >
Wherein the converting unit analyzes the system identifier of the citation information to generate citation data,
Deletes a specific character string or a specific character from the document number,
The document type code of the document number is deleted,
Sets and deletes the country code of the document number,
The citation data having the country code is searched to check the citation of the reference case corresponding to the document number and the citing relationship,
And outputting the database classification value and the data classification value of the citation of the reference case and the cited data as the system identifier of the reference case.
Wherein the step of generating the citation data by analyzing the system identifier of the citation information comprises:
A process of assigning different data classification values to each document number when the citation information includes a plurality of document numbers before a procedure of outputting as the system identifier, And outputting a signal for storing the string as it is.
The step of extracting the first patent group comprises:
Searching for a technical classification, a date, a country, and a citation relation type of the citation data by an AND condition and extracting the first patent group.
Further comprising storing the extracted first patent group in an analysis database connected in parallel to the patent database after extracting the first patent group.
Extracting a reference key from the citation data according to a second search condition input through the user interface after storing the citation data in a first area of the patent database, Extracting the patent analysis data having a quotation relationship and a relationship for a cited person, and drawing the extracted patent analysis data through the graph module and outputting the result to the screen.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20140017479A KR101500294B1 (en) | 2014-02-14 | 2014-02-14 | Patent Analysis System and Method therefor and Computer Readable Recording Medium whereon Program therefor is Recorded |
| PCT/KR2015/001421 WO2015122700A1 (en) | 2014-02-14 | 2015-02-12 | Patent analysis system and method, and computer-readable recording medium for recording program for executing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20140017479A KR101500294B1 (en) | 2014-02-14 | 2014-02-14 | Patent Analysis System and Method therefor and Computer Readable Recording Medium whereon Program therefor is Recorded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR101500294B1 true KR101500294B1 (en) | 2015-03-11 |
Family
ID=53026819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20140017479A KR101500294B1 (en) | 2014-02-14 | 2014-02-14 | Patent Analysis System and Method therefor and Computer Readable Recording Medium whereon Program therefor is Recorded |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101500294B1 (en) |
| WO (1) | WO2015122700A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20170060602A (en) * | 2015-11-24 | 2017-06-01 | 주식회사 워트인텔리전스 | Method and system for providing service for patent classification |
| KR20180099402A (en) * | 2017-02-28 | 2018-09-05 | 주식회사 워트인텔리전스 | Method and system for patent classification |
| KR20180109799A (en) * | 2016-11-24 | 2018-10-08 | 주식회사 워트인텔리전스 | Method and system for providing service for patent classification |
| KR20180114588A (en) * | 2017-04-11 | 2018-10-19 | 위병준 | System for supporting research and development and method therefor using the same |
| CN109789878A (en) * | 2016-10-03 | 2019-05-21 | 日立汽车系统株式会社 | Vehicular electronic control unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114780671A (en) * | 2022-03-14 | 2022-07-22 | 珠海横琴濠麦科技有限公司 | Display method of patent citation relation, computer device and computer readable storage medium |
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| KR20030012515A (en) * | 2001-08-01 | 2003-02-12 | (주) 위즈도메인 | Method for fast searching and analyzing inter-relations between patents from a patent database |
| JP2008524589A (en) * | 2004-12-17 | 2008-07-10 | ナイキ インコーポレーティッド | Multi-sensor monitoring method for exercise performance |
| JP2010108467A (en) * | 2008-10-31 | 2010-05-13 | Inpatekku Kk | Patent map creation display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20170060602A (en) * | 2015-11-24 | 2017-06-01 | 주식회사 워트인텔리전스 | Method and system for providing service for patent classification |
| KR101954499B1 (en) * | 2015-11-24 | 2019-03-06 | 주식회사 워트인텔리전스 | Method and system for providing service for patent classification |
| CN109789878A (en) * | 2016-10-03 | 2019-05-21 | 日立汽车系统株式会社 | Vehicular electronic control unit |
| KR20180109799A (en) * | 2016-11-24 | 2018-10-08 | 주식회사 워트인텔리전스 | Method and system for providing service for patent classification |
| KR102622260B1 (en) * | 2016-11-24 | 2024-01-09 | 주식회사 워트인텔리전스 | Method and system for providing service for patent classification |
| KR20180099402A (en) * | 2017-02-28 | 2018-09-05 | 주식회사 워트인텔리전스 | Method and system for patent classification |
| KR102023334B1 (en) | 2017-02-28 | 2019-09-23 | 주식회사 워트인텔리전스 | Method and system for patent classification |
| KR20180114588A (en) * | 2017-04-11 | 2018-10-19 | 위병준 | System for supporting research and development and method therefor using the same |
| KR102221913B1 (en) | 2017-04-11 | 2021-03-02 | 위병준 | System for supporting research and development and method therefor using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015122700A1 (en) | 2015-08-20 |
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