Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336584 | Optical recording medium | Tatsuro Sakai, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1994-08-09 |
| 5328741 | Optical recording medium | Tatsuro Sakai, Satoru Tanaka, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1994-07-12 |
| 5328802 | Optical recording medium | Tatsuro Sakai, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1994-07-12 |
| 5326679 | Recording medium | Atsushi Yoshizawa, Tatsuro Sakai, Satoru Tanaka, Makoto Okano, Takashi Chuman +3 more | 1994-07-05 |
| 5295126 | Information recording apparatus for recordable optical disc | Makoto Okano | 1994-03-15 |