Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228060 | Control unit for controlling modem used in receiver | — | 1993-07-13 |
| 5121428 | Speaker verification system | Hiroo Kitagawa, Nobuhide Yamazaki | 1992-06-09 |
| 4870685 | Voice signal coding method | Yuichi Kadokawa, Wasaku Yamada | 1989-09-26 |
| 4370966 | Fuel feed system | Masahiro Saruta | 1983-02-01 |