Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370970 | Write-once-read-many optical disk | Satoru Tanaka, Yasushi Araki | 1994-12-06 |
| 5336584 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Yasushi Araki, Fumio Matsui | 1994-08-09 |
| 5328741 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Satoru Tanaka, Yasushi Araki, Fumio Matsui | 1994-07-12 |
| 5328802 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Yasushi Araki, Fumio Matsui | 1994-07-12 |
| 5326679 | Recording medium | Shuichi Yanagisawa, Atsushi Yoshizawa, Tatsuro Sakai, Satoru Tanaka, Makoto Okano +3 more | 1994-07-05 |