Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646469 | Vibration driven motor including a vibration member having an elastic contact portion and a contact member having an elastic contact portion | Takayuki Tsukimoto, Shinichi Koreeda, Mitsuo Nishimura | 1997-07-08 |