Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888514 | Driving apparatus for ultrasonic motor | Ritsuo Inaba, Nobukazu Sugano, Horiyuki Harao, Yukihiro Matsuyama, Hiromi Tanoue +1 more | 1989-12-19 |
| 4868698 | Magnetic head | Hiroshi Yohda | 1989-09-19 |