Patents by Inventor Masayuki Akutsu

Masayuki Akutsu 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).

  • Number management system, number management method, and number management device
    Patent number: 11522995
    Abstract: Each of number management devices of a number management system includes a request reception unit configured to receive a number update request including number portability information, a transaction generation unit configured to generate a transaction for the received number portability information, a block proposal unit configured to acquire each of transactions generated in response to a plurality of number update requests, generate a block to be newly proposed, and transmit the generated block to be proposed to each of the plurality of number management devices, and a block approval unit configured to approve the block to be proposed by confirming a predetermined normal state of the block to be proposed and store the block to be proposed in a storage unit, with the block to be proposed connected to the block stored as the blockchain.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: December 6, 2022
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Kenta Shinohara, Masayuki Akutsu, Hideki Shina, Noritaka Horikome
  • NUMBER MANAGEMENT SYSTEM, NUMBER MANAGEMENT METHOD, AND NUMBER MANAGEMENT DEVICE
    Publication number: 20210120125
    Abstract: Each of number management devices of a number management system includes a request reception unit configured to receive a number update request including number portability information, a transaction generation unit configured to generate a transaction for the received number portability information, a block proposal unit configured to acquire each of transactions generated in response to a plurality of number update requests, generate a block to be newly proposed, and transmit the generated block to be proposed to each of the plurality of number management devices, and a block approval unit configured to approve the block to be proposed by confirming a predetermined normal state of the block to be proposed and store the block to be proposed in a storage unit, with the block to be proposed connected to the block stored as the blockchain.
    Type: Application
    Filed: June 21, 2019
    Publication date: April 22, 2021
    Inventors: Kenta Shinohara, Masayuki Akutsu, Hideki Shina, Noritaka HORIKOME