Patents by Inventor Hideyuki Yasuoka

Hideyuki Yasuoka 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).

  • COMPUTER READABLE MEDIUM, USER APPARATUS, ACCESS CONTROL METHOD, AND ACCESS CONTROL SYSTEM
    Publication number: 20230252175
    Abstract: A user apparatus (2000) acquires an access right information (20) from a first server apparatus (3000) and determines whether or not a target user (40) has an access right for a target file (10). The user apparatus (2000) acquires key information (30) for the target file (10) from a second server apparatus (4000) when the target user (40) has the access right for the target file (10). The user apparatus (2000) decrypts the target file (10) by using the key information (30).
    Type: Application
    Filed: June 11, 2020
    Publication date: August 10, 2023
    Applicants: NEC Corporation, NEC Solution Innovators, Ltd.
    Inventors: Takumi Hirota, Hideyuki Yasuoka