Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817458 | Belt-pulley type steplessly variable transmission assembly | Hitoshi Akutagawa | 1989-04-04 |
| 4726185 | Flat type torque converter | Fujio Ohshima, Kazuhisa Tamura, Takao Fukunaga, Takashi Okuno | 1988-02-23 |
| 4541503 | Four-wheel drive automobile | Hitoshi Akutagawa, Hiroaki Hayashi | 1985-09-17 |