Issued Patents All Time
Showing 176–177 of 177 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283771 | Optical pickup head | Shinichi Kadowaki, Seiji Nishino | 1994-02-01 |
| 5111448 | Optical pickup head having a hologram-associated objective lens and optical information processing apparatus using the same | Shinichi Kadowaki, Makoto Kato, Tetsuo Saimi | 1992-05-05 |