Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888514 | Driving apparatus for ultrasonic motor | Ken Takahashi, Ritsuo Inaba, Nobukazu Sugano, Horiyuki Harao, Yukihiro Matsuyama +1 more | 1989-12-19 |
| 4825316 | Thermal deformation controlled enclosure for a disk drive system | Takashi Saito | 1989-04-25 |