Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347206 | Vector control method of induction motor | Kazuhiko Doi, Koji Yamada | 1994-09-13 |
| 5325460 | System and method for controlling the speed of an electric motor in an extremely low speed range using a rotary pulse encoder | Tetsuo Yamada, Tatsuoki Matsumoto | 1994-06-28 |
| 5265705 | Method of preventing wheel loader from slipping | Shinji Takasugi | 1993-11-30 |
| 5070290 | Alternating current motor control system with emergency control responsive to failure of power supply | Masao Iwasa | 1991-12-03 |
| 5047370 | Method for producing compound semiconductor single crystal substrates | Hiromasa Yamamoto, Osamu Oda | 1991-09-10 |
| 4870334 | Motor control apparatus | Masao Iwasa, Yasutami Kito | 1989-09-26 |