Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370970 | Write-once-read-many optical disk | Takashi Chuman, Yasushi Araki | 1994-12-06 |
| 5363356 | Tracking apparatus for optical disk and tracking method of the same with tracking polarity invertor responsive to disk type | Shuichi Yangisawa, Fumio Matsui | 1994-11-08 |
| 5331145 | Diode addressing structure for addressing an array of transducers | Gene P. Weckler | 1994-07-19 |
| 5328741 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Takashi Chuman, Yasushi Araki, Fumio Matsui | 1994-07-12 |
| 5326679 | Recording medium | Shuichi Yanagisawa, Atsushi Yoshizawa, Tatsuro Sakai, Makoto Okano, Takashi Chuman +3 more | 1994-07-05 |