Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888514 | Driving apparatus for ultrasonic motor | Ken Takahashi, Ritsuo Inaba, Nobukazu Sugano, Horiyuki Harao, Hiromi Tanoue +1 more | 1989-12-19 |
YM
Yukihiro Matsuyama
Overall (1989): #39,546 of 140,708Top 30%
1
Patents 1989