Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12244727 | User credential control system and user credential control method | Takao Yamashita | 2025-03-04 |
| 12206794 | User information management system, user information management method, user agent and program | Takao Yamashita, Yurika SUGA, Yasuhiko Yoshimura | 2025-01-21 |
| 12155655 | Owner identity confirmation system and owner identity confirmation method | Takao Yamashita | 2024-11-26 |
| 12120247 | Owner identity confirmation system, certificate authority server and owner identity confirmation method | Takao Yamashita | 2024-10-15 |
| 12120248 | Owner identity confirmation system, terminal and owner identity confirmation method | Takao Yamashita | 2024-10-15 |
| 11956238 | Authorization system and authorization method | Takao Yamashita, Hideo Nishimura | 2024-04-09 |
| 11721148 | Authorization system, management server and authorization method | Takao Yamashita | 2023-08-08 |
| 11533186 | Proprietor's identity confirmation system, terminal management server, and proprietor's identity confirmation method | Takao Yamashita | 2022-12-20 |
| 9832755 | Exchange, wireless network control device, wireless network device, and wireless communication network system | Masaki Nishimura, Shinsuke Sawamukai, Yuukichi Saito, Kazufumi Yunoki, Hisayuki Aso +3 more | 2017-11-28 |