Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668872 | Information processing method and system | Hideki Morishima, Susumu Matsumura, Hiroaki Hoshi, Koyo Hasegawa, Masakuni Yamamoto +2 more | 1997-09-16 |
| 5661701 | Optical pickup using split beams impinging on different photodetector areas | Kazuya Matsumoto, Tetsuro Kuwayama | 1997-08-26 |