Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853578 | Driving apparatus for ultrasonic motor | Kenichiroh Takahashi, Hiromi Tanoue | 1989-08-01 |
| 4833359 | Driving apparatus for ultrasonic motor | Hiromi Tanoue, Kenichiroh Takahashi | 1989-05-23 |