Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648951 | Movable optical head integrally incorporated with objective lens and hologram element | Makoto Kato, Yoshiaki Komma, Shin-ichi Kadowaki, Seiji Nishino, Tetsuo Saimi | 1997-07-15 |