Patents by Inventor Hideyoshi Moriya

Hideyoshi Moriya 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).

  • Use right information processing device, use right information processing system, and use right information processing method, based on smart contract
    Patent number: 11943372
    Abstract: A use right information processing apparatus securely manages a use right without using an authentication server and appropriately allowing a valid user to use a device. The apparatus performs processing related to authentication and authorization for a user to use a device to be controlled using a smart contract. The apparatus stores authentication data shared with a user terminal used by the user and having a different value for each process, receives signature data generated in the user terminal by signing the authentication data using a secret key corresponding to the user, derives a public key corresponding to the secret key from the signature data and the authentication data using an elliptic curve digital signature algorithm, and obtains, using the public key or corresponding identification information, information regarding a use right of the device of the user recorded in advance in association with the public key or the identification information.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: March 26, 2024
    Assignee: A42 Inc.
    Inventors: Hideyoshi Moriya, Hiroyuki Tachibana
  • Use Right Information Processing Device, Use Right Information Processing System, and Use Right Information Processing Method, Based on Smart Contract
    Publication number: 20220294642
    Abstract: A use right information processing apparatus securely manages a use right without using an authentication server and appropriately allowing a valid user to use a device. The apparatus performs processing related to authentication and authorization for a user to use a device to be controlled using a smart contract. The apparatus stores authentication data shared with a user terminal used by the user and having a different value for each process, receives signature data generated in the user terminal by signing the authentication data using a secret key corresponding to the user, derives a public key corresponding to the secret key from the signature data and the authentication data using an elliptic curve digital signature algorithm, and obtains, using the public key or corresponding identification information, information regarding a use right of the device of the user recorded in advance in association with the public key or the identification information.
    Type: Application
    Filed: November 11, 2020
    Publication date: September 15, 2022
    Inventors: Hideyoshi Moriya, Hiroyuki Tachibana