Issued Patents 1994
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363356 | Tracking apparatus for optical disk and tracking method of the same with tracking polarity invertor responsive to disk type | Satoru Tanaka, Shuichi Yangisawa | 1994-11-08 |
| 5358923 | Color sheet and color transfer method using the same | Takanori Mitsuhata | 1994-10-25 |
| 5336584 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Takashi Chuman, Yasushi Araki | 1994-08-09 |
| 5332608 | Information recording medium | Taishi Tsuji, Yasushi Araki, Atsushi Yoshizawa | 1994-07-26 |
| 5328802 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Takashi Chuman, Yasushi Araki | 1994-07-12 |
| 5328741 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Satoru Tanaka, Takashi Chuman, Yasushi Araki | 1994-07-12 |
| 5326679 | Recording medium | Shuichi Yanagisawa, Atsushi Yoshizawa, Tatsuro Sakai, Satoru Tanaka, Makoto Okano +3 more | 1994-07-05 |
| 5316899 | Optical recording medium | Toshiyuki Miyadera, Makoto Okano | 1994-05-31 |
| 5292615 | Optical recording medium | Takashi Yamada | 1994-03-08 |
| 5284691 | Optical recording medium and method of reproducing information record on the optical recording medium | Hitoshi Taniguchi | 1994-02-08 |