Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625247 | Vibration driven motor | Tsuneo Watanabe, Tadao Takagi, Daisuke Saya, Kunihiro Fukino | 1997-04-29 |
| 5446331 | Ultrasonic wave motor | Tsuneo Watanabe, Tadao Takagi, Daisuke Saya, Kunihiro Fukino | 1995-08-29 |