Patents by Inventor Tatsurou ISHIDA

Tatsurou ISHIDA 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).

  • USER TERMINAL, AUTHENTICATION TERMINAL, REGISTRATION TERMINAL, MANAGEMENT SYSTEM AND PROGRAM
    Publication number: 20230232222
    Abstract: A user terminal according to the present embodiment is a user terminal connectable to a first distributed ledger network and a second distributed ledger network, and includes a generation unit, a first control unit, and a second control unit. The generation unit generates a decentralized identifier related to a user using a verification key. The first control unit generates a registration transaction including the verification key and the decentralized identifier, and transmits the registration transaction to the first distributed ledger network. The second control unit generates a token transaction related to issuance of a token, the token transaction including data of the user and the decentralized identifier, and transmits the token transaction to the second distributed ledger network.
    Type: Application
    Filed: July 1, 2021
    Publication date: July 20, 2023
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Shigenori OHASHI, Tatsurou ISHIDA, Atsushi NAKADAIRA, Shigeru FUJIMURA, Masayoshi CHIKADA, Junichi KISHIGAMI