Patents by Inventor Keita TAKAMATSU

Keita TAKAMATSU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240029063
    Abstract: A currency management system that excels in security and includes legal tender as a management target. A transaction information management device (TIMD) receives first transaction (Tr) information from a user terminal, and an account information management device receives second Tr information from the TIMD. The (TIMD) receives third Tr information from the account information management device, and a currency information management device receives fourth Tr information from the TIMD. The TIMD receives fifth Tr information from the currency information management device, and the TIMD sends sixth Tr information to a user terminal. The TIMD stores in the transaction information management device the first to sixth Tr information; and the account information management device and the currency information management device receive the first to sixth Tr information from the TIMD, and store the information in the account information management device and currency information management device respectively.
    Type: Application
    Filed: October 5, 2023
    Publication date: January 25, 2024
    Inventors: Keita TAKAMATSU, Koji FUSA, Yu KUSAKABE
  • Patent number: 11816663
    Abstract: A currency management system excels in security, and includes legal tender as a management target. A transaction information management device (TIMD) receives first transaction (Tr) information from a user terminal, and an account information management device receives second Tr information from the TIMD. The (TIMD) receives third Tr information from the account information management device, and a currency information management device receives fourth Tr information from the TIMD. The TIMD receives fifth Tr information from the currency information management device, and the TIMD sends sixth Tr information to a user terminal. The TIMD stores in the transaction information management device the first to sixth Tr information; and the account information management device and the currency information management device receive the first to sixth Tr information from the TIMD, and store the information in the account information management device and currency information management device respectively.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: November 14, 2023
    Assignee: GVE LTD.
    Inventors: Keita Takamatsu, Koji Fusa, Yu Kusakabe
  • Publication number: 20230177497
    Abstract: A currency management system excels in security, and includes legal tender as a management target. A transaction information management device (TIMD) receives first transaction (Tr) information from a user terminal, and an account information management device receives second Tr information from the TIMD. The (TIMD) receives third Tr information from the account information management device, and a currency information management device receives fourth Tr information from the TIMD. The TIMD receives fifth Tr information from the currency information management device, and the TIMD sends sixth Tr information to a user terminal. The TIMD stores in the transaction information management device the first to sixth Tr information; and the account information management device and the currency information management device receive the first to sixth Tr information from the TIMD, and store the information in the account information management device and currency information management device respectively.
    Type: Application
    Filed: December 1, 2020
    Publication date: June 8, 2023
    Inventors: Keita TAKAMATSU, Koji FUSA, Yu KUSAKABE
  • Patent number: 11341576
    Abstract: [Problem] Provided are a management device and a cryptocurrency system capable of smoothly operating an entire system by detecting fraud on cryptocurrencies without using enormous calculation amounts. [Solution] A management device connected to a plurality of user devices via a network, the management device including: an issued information storage area that stores a cryptocurrency ID of an issued cryptocurrency; an account information storage area that stores account information in association with one or a plurality of cryptocurrency IDs; and a history information storage area that stores history information of a cryptocurrency in association with a cryptocurrency ID.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: May 24, 2022
    Assignee: GVE LTD.
    Inventors: Yu Kusakabe, Koji Fusa, Keita Takamatsu
  • Patent number: 11341577
    Abstract: [Problem] Provided are a management device and a cryptocurrency system capable of smoothly operating an entire system by detecting fraud on cryptocurrencies without using enormous calculation amounts. [Solution] A management device connected to a plurality of user devices via a network, the management device including: an issued information storage area that stores a cryptocurrency ID of an issued cryptocurrency; an account information storage area that stores account information in association with one or a plurality of cryptocurrency IDs; and a history information storage area that stores history information of a cryptocurrency in association with a cryptocurrency ID.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: May 24, 2022
    Assignee: GVE LTD.
    Inventors: Yu Kusakabe, Koji Fusa, Keita Takamatsu
  • Publication number: 20210233167
    Abstract: An order processing device is connected via a network to a plurality of user devices respectively operated by a plurality of users and to an issuer device operated by an issuer of a financial instrument. The order processing device includes an order information storage device and an execution information storage device, and receives order information from the plurality of user devices and the issuer device and stores in the order information storage device the respective pieces of received order information. The device matches and executes order information of which trading type indicates a sell and order information of which trading type indicates a buy from among the pieces of order information that are stored in the order information storage device, deletes the pieces of executed order information from the order information storage device, and stores execution information in the execution information storage device.
    Type: Application
    Filed: June 5, 2018
    Publication date: July 29, 2021
    Inventors: Koji FUSA, Yu KUSAKABE, Keita TAKAMATSU
  • Publication number: 20200211115
    Abstract: [Problem] Provided are a management device and a cryptocurrency system capable of smoothly operating an entire system by detecting fraud on cryptocurrencies without using enormous calculation amounts. [Solution] A management device connected to a plurality of user devices via a network, the management device including: an issued information storage area that stores a cryptocurrency ID of an issued cryptocurrency; an account information storage area that stores account information in association with one or a plurality of cryptocurrency IDs; and a history information storage area that stores history information of a cryptocurrency in association with a cryptocurrency ID.
    Type: Application
    Filed: March 12, 2020
    Publication date: July 2, 2020
    Inventors: Yu KUSAKABE, Koji FUSA, Keita TAKAMATSU
  • Publication number: 20200211116
    Abstract: [Problem] Provided are a management device and a cryptocurrency system capable of smoothly operating an entire system by detecting fraud on cryptocurrencies without using enormous calculation amounts. [Solution] A management device connected to a plurality of user devices via a network, the management device including: an issued information storage area that stores a cryptocurrency ID of an issued cryptocurrency; an account information storage area that stores account information in association with one or a plurality of cryptocurrency IDs; and a history information storage area that stores history information of a cryptocurrency in association with a cryptocurrency ID.
    Type: Application
    Filed: March 12, 2020
    Publication date: July 2, 2020
    Inventors: Yu KUSAKABE, Koji FUSA, Keita TAKAMATSU
  • Patent number: 10628886
    Abstract: [Problem] Provided are a management device and a cryptocurrency system capable of smoothly operating an entire system by detecting fraud on cryptocurrencies without using enormous calculation amounts. [Solution] A management device connected to a plurality of user devices via a network, the management device including: an issued information storage area that stores a cryptocurrency ID of an issued cryptocurrency; an account information storage area that stores account information in association with one or a plurality of cryptocurrency IDs; and a history information storage area that stores history information of a cryptocurrency in association with a cryptocurrency ID.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: April 21, 2020
    Assignee: GVE LTD.
    Inventors: Yu Kusakabe, Koji Fusa, Keita Takamatsu
  • Publication number: 20190370898
    Abstract: [Problem] Provided are a management device and a cryptocurrency system capable of smoothly operating an entire system by detecting fraud on cryptocurrencies without using enormous calculation amounts. [Solution] A management device connected to a plurality of user devices via a network, the management device including: an issued information storage area that stores a cryptocurrency ID of an issued cryptocurrency; an account information storage area that stores account information in association with one or a plurality of cryptocurrency IDs; and a history information storage area that stores history information of a cryptocurrency in association with a cryptocurrency ID.
    Type: Application
    Filed: December 5, 2017
    Publication date: December 5, 2019
    Inventors: Yu KUSAKABE, Koji FUSA, Keita TAKAMATSU
  • Patent number: 8673647
    Abstract: According to the method of evaluating stress of the present invention, amino acid concentration data on the concentration value of amino acid in blood collected from a subject to be evaluated is measured, and a stress state including at least depressive illness and major depressive illness in the subject is evaluated based on the concentration value of at least one of Lys, His, ABA, Asn, Phe, Leu, Ile, Val, Trp, Tyr and Met contained in the measured amino acid concentration data of the subject.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: March 18, 2014
    Assignee: Ajinomoto Co., Inc.
    Inventors: Takayuki Tanaka, Yukio Nihei, Toshihiko Ando, Minoru Yamakado, Keita Takamatsu, Eiko Takahashi, Norio Sasamori
  • Publication number: 20090234586
    Abstract: According to the method of evaluating stress of the present invention, amino acid concentration data on the concentration value of amino acid in blood collected from a subject to be evaluated is measured, and a stress state including at least depressive illness and major depressive illness in the subject is evaluated based on the concentration value of at least one of Lys, His, ABA, Asn, Phe, Leu, Ile, Val, Trp, Tyr and Met contained in the measured amino acid concentration data of the subject.
    Type: Application
    Filed: February 4, 2009
    Publication date: September 17, 2009
    Inventors: Takayuki TANAKA, Yukio NIHEI, Toshihiko ANDO, Minoru YAMAKADO, Keita TAKAMATSU, Eiko TAKAHASHI, Norio SASAMORI