Issued Patents 1994
Showing 1–2 of 2 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 |