Issued Patents All Time
Showing 101–104 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823334 | Optical head with easily adjustable collimator having two lens components | Shinichi Tanaka | 1989-04-18 |
| 4761774 | Optical disc drive apparatus | Shinichi Tanaka, Ryosuke Shimizu, Makoto Kuwamoto, Hajime Yamamoto | 1988-08-02 |
| 4730297 | Retardation compensating light beam guiding system in an optical storage medium drive apparatus | Masaharu Imura | 1988-03-08 |
| 4669073 | Optical disk drive apparatus | Noriaki Wakabayashi | 1987-05-26 |