Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371730 | Optical memory and information processing apparatus | Yoshihito Maeda, Isao Ikuta, Masaichi Nagai, Yoshimi Katou, Hisashi Andoh +4 more | 1994-12-06 |
| 5317556 | Information processing apparatus and optical head incorporated therein | Yoshio Sato, Hiroyuki Minemura, Hisashi Andoh, Masaichi Nagai, Isao Ikuta +4 more | 1994-05-31 |
| 5311494 | Optical disk apparatus and optical head | Tatsuya Sugita, Yoshio Sato, Hiroyuki Minemura, Hisashi Andoh | 1994-05-10 |