Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972337 | Device for controlling rotation of a magnet used in a magneto-optical recording system | Osamu Kawakubo, Hitoshi Okada, Tamotsu Maeda, Susumu Tosaka | 1990-11-20 |
| 4864170 | Linear motor | — | 1989-09-05 |
| 4843601 | Tracking servo system for optical disk playre apparatus | Norio Nishida | 1989-06-27 |
| 4747089 | Method and apparatus for focusing servo control | Mikio Sigiki, Hitoshi Okada | 1988-05-24 |