Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5982119 | Motor drive apparatus including braking means | Yasuhiro Okada | 1999-11-09 |
| 5291104 | DC commutatorless motor | Yasuhiro Okada, Yasutaka Tsukiyama | 1994-03-01 |
| 5160873 | Driving apparatus of a brushless motor | Yasutaka Tukiyama, Yosuhiro Okada, Syougo Hamamoto | 1992-11-03 |