Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632074 | Vibration wave driven motor | — | 1997-05-27 |
| 5625145 | Angular velocity detection method and angular velocity detection apparatus | Takashi Maeno, Takayuki Tsukimoto, Ichiro Chiba | 1997-04-29 |