WO2003053017A1 - Systeme de transmission de courrier electronique avec adresse de serveur de courrier mandataire - Google Patents

Systeme de transmission de courrier electronique avec adresse de serveur de courrier mandataire Download PDF

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Publication number
WO2003053017A1
WO2003053017A1 PCT/JP2001/011168 JP0111168W WO03053017A1 WO 2003053017 A1 WO2003053017 A1 WO 2003053017A1 JP 0111168 W JP0111168 W JP 0111168W WO 03053017 A1 WO03053017 A1 WO 03053017A1
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WO
WIPO (PCT)
Prior art keywords
mail address
mail
proxy
address
user
Prior art date
Application number
PCT/JP2001/011168
Other languages
English (en)
Japanese (ja)
Inventor
Kazuhiro Yamamoto
Original Assignee
Kazuhiro Yamamoto
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kazuhiro Yamamoto filed Critical Kazuhiro Yamamoto
Priority to JP2003553793A priority Critical patent/JP3562648B2/ja
Priority to AU2002225346A priority patent/AU2002225346A1/en
Priority to PCT/JP2001/011168 priority patent/WO2003053017A1/fr
Publication of WO2003053017A1 publication Critical patent/WO2003053017A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4555—Directories for electronic mail or instant messaging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/48—Message addressing, e.g. address format or anonymous messages, aliases

Definitions

  • the present invention extracts a corresponding proxy email address from a user's primary email address and a recipient's email address, converts the user's primary email address into a proxy email address, and sends the email address to the recipient's email address.
  • the present invention relates to an e-mail transmission system using a substitute e-mail address for transmission to an e-mail. Background art
  • a special server for translating an address is placed in a network, managed by a neutral organization, and a real address is translated into a temporary address to mediate mail.
  • Unknown communicators communicate with each other by e-mail without leaking their real names and addresses. It also has a means to protect the database for converting addresses from unauthorized attacks, and to respond to e-mails entering and leaving the server. There is a means to prevent the correspondence of the name address from being leaked by examining the relationship from outside. Also, based on the consent of the communicators, a service is provided to disclose the information of the other party.
  • a real address of a transfer destination corresponding to the virtual address is searched from a user database and transferred.
  • the e-mail is forwarded first, and if the cumulative number of e-mails exceeds the upper limit of the number of times of transfer, the invalidation process is reserved. It also searches the user database and reserves invalidation processing for addresses whose expiration date is older than the current date and time. The reserved invalidation process is performed immediately after the e-mail has been transferred to the real address. If the user wishes to continue automatically, a new virtual address is automatically created, the e-mail addressed to the new virtual address is set to be forwarded to the user's real address, and the user is notified.
  • a mail in which a user's primary e-mail address, a destination e-mail address and a substitute e-mail address are associated one-to-one.
  • Adopt a configuration to provide an address correspondence table.
  • the server automatically issues a "substitute e-mail address" instead of the user's primary e-mail address, and sends using that "substitute e-mail address".
  • the reply e-mail is received by the "substitute e-mail address" and forwarded to the user's primary e-mail address.
  • proxy mail address If the "proxy mail address" is leaked between traders, it can be discarded.
  • the main purpose of a general mail transfer service is to unify multiple e-mail addresses, but "disposable e-mail” aims to conceal personal e-mail addresses, investigate leaks, and take countermeasures. Disclosure of the invention
  • a user terminal such as a computer or a portable information terminal having an input unit, a control unit, a display unit, an output unit, a storage unit, etc. , A server system accessed by a user terminal.
  • the server system has a mailbox for each proxy mail address
  • a mail address correspondence table in which the user's main e-mail address and the e-mail address of the transmission destination are in one-to-one correspondence with the substitute e-mail address;
  • a user terminal such as a computer or a portable information terminal having input means, control means, display means, output means, storage means, etc.
  • a system in which information processing is performed by operation comprising a server system accessed from a user terminal,
  • the server system has a mail box for each proxy mail address
  • a mail address correspondence table in which the user's primary e-mail address, the e-mail address of the transmission destination, and the substitute e-mail address are associated one-to-one;
  • a proxy e-mail address corresponding to the user's main e-mail address and the e-mail address of the transmission destination is associated one-to-one with the user, Processing to store in the mail address correspondence table,
  • the corresponding proxy e-mail address is extracted from the user's primary e-mail address and the destination e-mail address included in the e-mail sent from the user terminal, and the user's main e-mail address is used as the substitute e-mail address.
  • the system is characterized in that it is an electronic mail transmission system using a proxy mail address, characterized in that the e-mail is transmitted to the e-mail address of the transmission destination.
  • an electronic mail transmission system is used for claim 1 or 2,
  • the mail address correspondence table stores the user's primary e-mail address and the e-mail address of the other party's e-mail address.
  • the processing of issuing a proxy e-mail address that is associated one-to-one with the user's primary e-mail address and the e-mail address of the transmission destination is as follows:
  • the electronic mail using a proxy mail address according to claim 1, wherein the electronic mail address is a process of determining a proxy mail address from the main mail address of the user and the mail address of the other party. It is characterized by being a wireless transmission system.
  • one destination e-mail address can be used for multiple parties by managing the destinations as a group.
  • a proxy e-mail address is notified as a contact at the time of purchase of a product at a store, etc., and the server system receives an e-mail to the surrogate mailbox, the user will be able to send and receive the surrogate mail pox as an address.
  • the substitute mailbox is notified to the user terminal as an address that can be transmitted and received, and the mail address correspondence table is automatically registered.
  • the electronic mail transmission system using a proxy e-mail address according to any one of claims 1 to 2 or 4 to 7, wherein the electronic mail transmission system performs a process of performing automatic registration and makes a proxy e-mail address available.
  • Claims are characterized in that an e-mail addressed to a proxy e-mail address is transmitted from a user terminal and received by the server system, so that a preset proxy e-mail pox can be used. It is characterized by an e-mail transmission system using a proxy e-mail address described in either of the ranges 8 and 9.
  • the process of issuing a proxy mail address that is associated one-to-one with the user's primary mail address and the destination recipient's mail address is performed by dividing the proxy mail address name into a prefix + suffix.
  • the process of issuing a proxy mail address that is associated one-to-one with the user's primary mail address and the destination's mail address involves adding a redundant part to the proxy address automatically generated by the server system.
  • the proxy mail address is stored and managed as a data file in storage means provided in one user terminal. It is characterized by an e-mail transmission system using the proxy e-mail address described in any of them.
  • the server system compares the user's main mail address stored in the mail address correspondence table with the mail address of the transmission destination associated with the user's main mail address on a one-to-one basis and a proxy mail address.
  • the electronic mail according to any one of claims 1 to 2 or 4 to 13, wherein the electronic mail is provided with a function of receiving a request from the user terminal and enabling reception at the user terminal. It is a transmission system.
  • FIG. 1 is a system conceptual diagram showing a basic configuration of an electronic mail transmission system using a proxy e-mail address.
  • reference numeral 1 denotes a request for transmission using a proxy mail address
  • 2 denotes a proxy mail address, transmitted by abcd @ dispo-address, net
  • 3 denotes a leak of a proxy mail address
  • 4 denotes a solicitation mail
  • 5 denotes a header. Transfer processing with two types of information added.
  • FIG. 2 is a diagram showing an example of a mail address correspondence table.
  • FIG. 3 is a diagram showing a server system and a client terminal of a user.
  • Fig. 4 shows that when sending an e-mail to the other party's e-mail address, the user's terminal specifies the other party's e-mail address and the proxy mail address issuance request data
  • FIG. 5 shows an example of data of a mail address correspondence table.
  • FIG. 6 is a conceptual diagram showing a process of transmitting a mail using a substitute mail address and receiving a reply.
  • FIG. 7 is a conceptual diagram showing a process in which a mailbox of a substitute mail address is received and then transferred to a user's primary mail address.
  • Fig. 8 is a diagram showing a case where an e-mail arrives at a substitute e-mail address from a destination that the user does not intend, such as when the e-mail address is leaked to a direct e-mail service provider.
  • FIG. 9 is a conceptual diagram showing a process in which a user obtains a proxy mail address from a “disposable” mail server in advance.
  • FIG. 0 is a conceptual diagram showing a process in which, when a mail is sent from a partner to a substitute mail address, the substitute mail address is automatically registered in the mail correspondence table in the server system as an address that can be transmitted and received.
  • FIG. 11 shows an example of a proxy mail address issued in the embodiment of the present invention.
  • An example of the mail address correspondence table is shown below.
  • FIG. 12 shows an example of a mail address correspondence table in the embodiment of the present invention.
  • An electronic mail transmission system using a proxy mail address can be performed by a user terminal such as a computer or a portable information terminal provided with an input unit, a control unit, a display unit, an output unit, and a storage unit.
  • a user terminal such as a computer or a portable information terminal provided with an input unit, a control unit, a display unit, an output unit, and a storage unit.
  • This is a system that performs information processing by using a server system that is accessed from a user terminal.
  • the server system is equipped with a mail server and a mailbox for each proxy mail address.
  • the server system also includes the user's primary email address and the recipient
  • An e-mail address correspondence table in which the e-mail address and the proxy e-mail address are associated one-to-one is stored.
  • the server system also generates a proxy e-mail address, issues it to the user, converts the user's primary e-mail address of the e-mail sent from the user terminal into a proxy e-mail address, and sends it to the destination.
  • a program is provided. Extract the user's primary e-mail address and the corresponding substitute e-mail address included in the e-mail sent from the user terminal, and convert the user's primary e-mail address to a substitute e-mail address Then, the message is transmitted to the e-mail address of the destination.
  • FIG. 1 is a system conceptual diagram showing a basic configuration of an electronic mail transmission system using a proxy mail address.
  • FIG. 2 is a diagram showing an example of a mail address correspondence table.
  • Sending and receiving of e-mails is performed via "substitute e-mail addresses".
  • the e-mail address is associated with the e-mail address of the transmission destination and stored in the e-mail address correspondence table. Once a proxy e-mail address is generated and stored in the e-mail address correspondence table, the second and subsequent transmissions can select the previously used proxy e-mail address from this related information and send and receive.
  • the sender's mail address is different from "association" and can be determined to have been leaked.
  • Various measures can be taken, such as discarding e-mails, notifying leakage status, suspending substitute e-mail addresses, and discarding them, so that they can be used as disposable e-mail addresses.
  • the "e-mail transmission system using a substitute e-mail address” will be referred to as a "disposable e-mail system”
  • the "substitute e-mail address” will be referred to as a "disposable e-mail address" as necessary. is there.
  • FIG. 3 is a diagram showing a server system of a “disposable mail” system and a client terminal of a user.
  • a "disposable e-mail” system users can send and receive e-mail using general P0P3 e-mail software such as Outlook Express (trademark) of Microsoft Corporation. Services such as issuing proxy mail addresses can be used by relaying the client software of the “disposable mail” system.
  • the user needs to install and set up the client software, but the subsequent transmission and reception of mail is exactly the same as sending mail directly to the other party without using the server system of the present invention. In other words, there is no hassle.
  • the “disposable mail” client function can also be incorporated into mail software.
  • the user terminal when sending an e-mail to the other party's e-mail address, specifies the other party's e-mail address, and sends the proxy e-mail address issuance request data to the server system. Performs the receiving process in the server system.
  • a proxy e-mail address is associated with the user's main e-mail and the e-mail address of the transmission destination in a one-to-one correspondence.
  • the process of storing in the mail address correspondence table is performed. Proxy mail addresses are automatically issued and managed.
  • FIG. 5 shows an example of data of a mail address correspondence table.
  • the user's primary e-mail address and the e-mail address of the recipient are issued one-to-one as a substitute e-mail address, which is stored in the e-mail address correspondence table. If you send e-mail to the other party, issue another proxy e-mail address. ⁇
  • proxy mail address can be used for multiple parties.
  • Proxy mail addresses can be used for multiple parties.
  • the issued proxy e-mail address is stored and managed in the aforementioned e-mail address correspondence table in which the destination and the proxy e-mail address are associated one-to-one. It is desirable to be able to delete from the correspondence table.
  • FIG. 6 is a conceptual diagram showing a process of transmitting an e-mail using a substitute e-mail address and receiving a reply.
  • the mail sent from the user to the destination is replaced with the substitute mail address of the mail transferred from the client software, and the destination ( Email to the other party.
  • the reply destination seen by the other party is a proxy mail address, and the original sender is completely hidden.
  • “abcd@dispo-address.net” is the proxy mail address in this case.
  • the reply mail transmitted from the destination is received by the mailbottas of the proxy mail address in the server system, and then is transferred to the user's primary mail address. .
  • FIG. 7 is a conceptual diagram showing a process in which the mailbox of the substitute mail address is received and then transferred to the user's primary mail address. Proxy mail address abcd @ dispo-address. Net You can see the main mail, user—suzuki@ocn.net.
  • the system forwards mail arriving at the proxy e-mail address to the individual's primary e-mail address unconditionally. No distinction is made between emails that you want to receive and those that are not.
  • the email address differs from the "association" stored in the email address correspondence table described above, and performs processing to judge that the email has been leaked, and discards the e-mail and notifies the leak status.
  • the feature is that the user can select the response.
  • the user can obtain a proxy e-mail address from the server system in advance and secure it, and notify the proxy e-mail address as a contact when purchasing a product at a store.
  • the proxy e-mail address is automatically registered in the e-mail address correspondence table as an address that can be transmitted and received, and the proxy e-mail address is used. Will be possible.
  • FIG. 9 is a conceptual diagram showing a process in which a user obtains a proxy mail address in advance from a “disposable” mail server.
  • the user sends a request for obtaining a proxy mail address from the user terminal to the server system, and obtains the proxy mail address from the “disposable” mail server in advance. At this stage, it has not yet been registered in the mail address correspondence table, it has just been secured.
  • FIG. 10 is a conceptual diagram showing this processing.
  • the user can obtain a proxy mail address from the server system and secure it in advance, and can obtain the proxy mail address from a browser, an electronic mail for obtaining the proxy mail address, or the like.
  • the proxy mail address name is returned to the user terminal, so that the proxy mail address reserved and reserved in advance can be used.
  • the substitute e-mail address name is returned from the server system to the user terminal. This makes it possible to add / acquire from any communication means such as mobile phones.
  • the user may send an e-mail using an inert proxy e-mail address reserved by the user. Registration and activation in the mail address correspondence table are performed in the same manner.
  • an e-mail addressed to the proxy e-mail address is sent from the user terminal and received by the server system, so that the reserved e-mail address reserved and used in advance is used. It becomes possible.
  • the proxy mail address name obtained from the server is divided into a prefix and a suffix, and the prefix part is obtained from the server so that the user can freely define the suffix part.
  • FIG. 11 shows an example of a proxy e-mail address issued in the present embodiment
  • FIG. 12 shows an example of a mail address correspondence table.
  • the proxy e-mail address for User A must start with "DAIRI” (prefix) and add a character (suffix), such as "DAIRI **** @ domain”. If User A wants to add a proxy email address, put the date, the name of the other party, etc. in the suffix, such as "DAIRI0921 @ domain”. It becomes very easy for the user to manage the proxy mail address.
  • a "disposable mail” server When a "disposable mail" server receives a mail, it can identify the user from the prefix part of the mail address, and can forward the mail to all users.
  • the proxy mail address has a prefix determined for each user. If a new proxy e-mail address is required, it can be operated in a “disposable e-mail” system by specifying an e-mail address with a suffix added. Email addresses with the same prefix are managed for the same user.
  • the invention set forth in claim 12 is characterized by including a process of adding a redundant portion to a proxy address automatically generated by the server system and adding an error detection function.
  • the defense method will be explained with an example of an exclusion rate of 99%. 99% of emails sent by malicious parties can be discarded immediately.
  • the sender of the e-mail is restricted from receiving the e-mail. In other words, mail sent by the same sender will not be received for a certain period of time, regardless of whether the mail address is genuine or fraudulent. Or do not transfer. This allows certain types of algorithms to generate email addresses,
  • the mail address is set as a character string of up to several tens of bytes.
  • ⁇ Not only the current method, but also the proxy mail address is stored and managed as a data file.
  • the e-mail address can also be used as a file. There is no limit on the size of the file.
  • a corresponding proxy e-mail address is extracted from a user's primary e-mail address and a destination e-mail address included in an e-mail transmitted from a user terminal. Then, it is possible to provide an e-mail transmission system using a substitute e-mail address, which converts the user's primary e-mail address into a substitute e-mail address and sends the converted e-mail to the destination e-mail address.
  • a server when using a "disposable e-mail" system, a server automatically issues a "substitute e-mail address" instead of the principal's main e-mail address, and transmits using the "substitute e-mail address".
  • the reply e-mail is received by the "proxy e-mail address" and can be forwarded to the principal e-mail address.
  • a "proxy mail address" is leaked between traders, it can be discarded, and personal mail addresses can be concealed, leaks can be investigated, and countermeasures can be taken.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne un système dans lequel les données sont traitées par l'utilisateur dans un terminal utilisateur tel qu'un ordinateur ou un terminal de données portable. Ce système est constitué d'un système de serveur accessible à partir du terminal utilisateur. Ce système de serveur comprend une boîte de destination pour chaque adresse de courrier mandataire, une table de correspondance d'adresses de courrier électronique, dans laquelle les adresses principales des utilisateurs et les adresses électroniques des destinataires sont en correspondance biunivoque avec les adresses de serveur mandataire, et un programme permettant de créer une adresse de serveur de courrier mandataire, de délivrer cette adresse à l'utilisateur, de convertir l'adresse de courrier principale de l'utilisateur d'un courrier électronique transmis à partir du terminal utilisateur en une adresse de serveur mandataire de courrier, et de transmettre l'adresse du serveur mandataire au destinataire. L'adresse du serveur de courrier mandataire est extraite à partir de l'adresse de courrier électronique principale de l'utilisateur et de l'adresse de courrier électronique du destinataire contenue dans le courrier électronique transmis à partir du terminal utilisateur. L'adresse de courrier électronique principale de l'utilisateur est convertie en une adresse de serveur de courrier mandataire, et cette adresse de serveur de courrier mandataire est transmise à l'adresse de courrier électronique du destinataire.
PCT/JP2001/011168 2001-12-19 2001-12-19 Systeme de transmission de courrier electronique avec adresse de serveur de courrier mandataire WO2003053017A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003553793A JP3562648B2 (ja) 2001-12-19 2001-12-19 代理メールアドレスによる電子メール送信システム
AU2002225346A AU2002225346A1 (en) 2001-12-19 2001-12-19 Electronic mail transmission system with proxy mail address
PCT/JP2001/011168 WO2003053017A1 (fr) 2001-12-19 2001-12-19 Systeme de transmission de courrier electronique avec adresse de serveur de courrier mandataire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/011168 WO2003053017A1 (fr) 2001-12-19 2001-12-19 Systeme de transmission de courrier electronique avec adresse de serveur de courrier mandataire

Publications (1)

Publication Number Publication Date
WO2003053017A1 true WO2003053017A1 (fr) 2003-06-26

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PCT/JP2001/011168 WO2003053017A1 (fr) 2001-12-19 2001-12-19 Systeme de transmission de courrier electronique avec adresse de serveur de courrier mandataire

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JP (1) JP3562648B2 (fr)
AU (1) AU2002225346A1 (fr)
WO (1) WO2003053017A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006031539A (ja) * 2004-07-20 2006-02-02 Toshihito Sone オンライン取引システムおよびこれに使用する決済システム、情報預託機関コンピュータ、サービス提供者コンピュータ、宅配業者コンピュータ、ならびにオンライン取引システム用のプログラム、決済システム用のプログラム。
WO2008102507A1 (fr) * 2007-02-23 2008-08-28 Nec Corporation Système et procédé de détection de fuite d'adresse de courriel, serveur et programme de gestion d'adresses de courriel
WO2008118542A1 (fr) * 2007-03-23 2008-10-02 Microsoft Corporation Mise en œuvre de messagerie privée
JP2012129803A (ja) * 2010-12-15 2012-07-05 Panasonic Corp 集合住宅用ローカルサーバ
JP2015076086A (ja) * 2014-01-31 2015-04-20 株式会社アクアティカ アシスタント管理装置、アシスタント管理方法及びアシスタント管理システム
JP2015149637A (ja) * 2014-02-07 2015-08-20 日本電気株式会社 情報処理装置、及び、情報送信方法
JP6118476B1 (ja) * 2017-01-30 2017-04-19 株式会社アクアティカ 送受信者管理装置、送受信者管理方法及び送受信者管理システム
WO2017179183A1 (fr) * 2016-04-15 2017-10-19 株式会社オプティム Système, procédé et programme de gestion d'identificateur (id)

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JPH09233113A (ja) * 1996-02-27 1997-09-05 Pfu Ltd フィルタリング装置に対するフィルタリング条件設定方法
JPH09321791A (ja) * 1996-05-27 1997-12-12 Nippon Telegr & Teleph Corp <Ntt> 電子メール転送方法および装置
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Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH09233113A (ja) * 1996-02-27 1997-09-05 Pfu Ltd フィルタリング装置に対するフィルタリング条件設定方法
JPH09321791A (ja) * 1996-05-27 1997-12-12 Nippon Telegr & Teleph Corp <Ntt> 電子メール転送方法および装置
JPH11161574A (ja) * 1997-08-28 1999-06-18 Lucent Technol Inc 電子メールの匿名リメールとフィルタリングを提供するシステムおよび方法
JP2000174802A (ja) * 1998-12-10 2000-06-23 Sharp Corp 電子メールサーバシステム

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006031539A (ja) * 2004-07-20 2006-02-02 Toshihito Sone オンライン取引システムおよびこれに使用する決済システム、情報預託機関コンピュータ、サービス提供者コンピュータ、宅配業者コンピュータ、ならびにオンライン取引システム用のプログラム、決済システム用のプログラム。
WO2008102507A1 (fr) * 2007-02-23 2008-08-28 Nec Corporation Système et procédé de détection de fuite d'adresse de courriel, serveur et programme de gestion d'adresses de courriel
WO2008118542A1 (fr) * 2007-03-23 2008-10-02 Microsoft Corporation Mise en œuvre de messagerie privée
US8190878B2 (en) 2007-03-23 2012-05-29 Microsoft Corporation Implementation of private messaging
JP2012129803A (ja) * 2010-12-15 2012-07-05 Panasonic Corp 集合住宅用ローカルサーバ
JP2015076086A (ja) * 2014-01-31 2015-04-20 株式会社アクアティカ アシスタント管理装置、アシスタント管理方法及びアシスタント管理システム
JP2015149637A (ja) * 2014-02-07 2015-08-20 日本電気株式会社 情報処理装置、及び、情報送信方法
WO2017179183A1 (fr) * 2016-04-15 2017-10-19 株式会社オプティム Système, procédé et programme de gestion d'identificateur (id)
JP6118476B1 (ja) * 2017-01-30 2017-04-19 株式会社アクアティカ 送受信者管理装置、送受信者管理方法及び送受信者管理システム
JP2017102954A (ja) * 2017-01-30 2017-06-08 株式会社アクアティカ 送受信者管理装置、送受信者管理方法及び送受信者管理システム

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AU2002225346A1 (en) 2003-06-30
JPWO2003053017A1 (ja) 2005-04-28
JP3562648B2 (ja) 2004-09-08

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