Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353277 | Optical disk having intertrack heat conduction suppression | Kouichi Yasuda, Atsushi Fukumoto | 1994-10-04 |
| 5335213 | Positional detection of a magneto-optic recording medium for controlling irradiation of a relief region | Atsushi Fukumoto, Toshiki Udagawa, Shunji Yoshimura, Kouichi Yasuda | 1994-08-02 |
| 5329512 | Temperature detection of a magneto-optic recording medium for controlling irradiation of an erasure region | Atsushi Fukimoto, Toshiki Udagawa, Shunji Yoshimura, Kouichi Yasuda | 1994-07-12 |
| 5304440 | Optical disk | Atsushi Fukumoto, Kouichi Yasuda | 1994-04-19 |