Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11777746 | Mutual authentication system and mutual authentication method | — | 2023-10-03 |
| 9792464 | Card processing system | Toshiro Shiomi | 2017-10-17 |
| 9576161 | Card reader and control method therefor | Jo Tanaka, Shinya Miyazawa, Akihiro Negishi, Yohei Shimizu | 2017-02-21 |
| 7000836 | Method of self-testing IC card readers | — | 2006-02-21 |
| 6607138 | Communication method of IC card reader/writer | — | 2003-08-19 |