Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698929 | Vibration wave driven motor and method of producing same | Hiroyuki Seki, Atsushi Kimura, Yoshifumi Nishimoto | 1997-12-16 |
| 5594291 | Vibration device for vibration driven motor | Jun Tamai, Ichiro Chiba | 1997-01-14 |