Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972095 | Binary digitizer circuit for voltages developed across induction coil | Hiroki Oka, Keiichi Yamamoto | 1990-11-20 |
| 4876527 | Vehicle speed detecting device | Hiroki Oka | 1989-10-24 |
| 4750385 | Brake responsive automatic transmission control apparatus | Mitsuo Yamamoto, Takaki Manabe | 1988-06-14 |
| 4747056 | Automatic transmission control apparatus | Mitsuo Yamamoto, Norishige Yoshikawa | 1988-05-24 |
| 4473851 | Analog magnetic recording system for binary signals | Taneichi Kawai | 1984-09-25 |