Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915637 | Function-preset wiring device for automobiles | Kikuo Ogawa | 1990-04-10 |
| 4822965 | Lid locking mechanism in automobile switch panel device | Yukihiro Hyogo, Satoshi Iida, Kazuya Arai | 1989-04-18 |
| 4799893 | Function-preset wiring device for automobiles | Kikuo Ogawa | 1989-01-24 |
| 4638184 | CMOS bias voltage generating circuit | — | 1987-01-20 |