Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10756646 | Multi-level inverter control device and control method | Kunihiko Saiki | 2020-08-25 |
| 5828014 | Elevator speed control circuit | Michio Goto, Yasuhiro Yoshida, Masayuki Mori | 1998-10-27 |
| 5729111 | Inertia lowering control apparatus capable of suppressing axially torsional vibration occurring on flexible drive shaft of two-mass inertia resonant system | Yasuhiro Yoshida, Tetsuo Yamada | 1998-03-17 |