Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253293 | Adaptive data ciphering/deciphering apparatuses and data communication system using these apparatuses | Toshikazu Miyasaka, Kenichi Matsumoto | 1993-10-12 |
| 4953228 | Apparatus for detecting pattern of crest line | Ryoi Onda, Toshi Minami, Osamu Nakamura | 1990-08-28 |
| 4536751 | System for detecting an alarm | Ichiyo Maruyama, Shigeru Niimura | 1985-08-20 |