Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686776 | Ultrasonic motor having high drive efficiency | Tadao Takagi | 1997-11-11 |
| 5661360 | Ultrasonic motor having high drive efficiency | Tadao Takagi | 1997-08-26 |
| 5654604 | Vibration motor having improved adhesive layer between electromechanical conversion element and elastic body | Takatoshi Ashizawa, Ryoichi Suganuma, Tomohiko Yokoo | 1997-08-05 |
| 5625247 | Vibration driven motor | Tsuneo Watanabe, Tadao Takagi, Ryouichi Suganuma, Kunihiro Fukino | 1997-04-29 |