Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363352 | Magneto-optic disk apparatus | Minoru Tobita | 1994-11-08 |
| 5311491 | Method of data recording for optical disc having burst modulated track | Yoichiro Sako | 1994-05-10 |
| 5297125 | Optical recording medium and information recording apparatus for recording bursts of low-pass filtered reproduce-only information in a wobbling pre-groove on the optical recording medium | Yoichiro Sako | 1994-03-22 |
| 5287334 | Magneto-optical pickup apparatus and magneto-optical recording/reproducing apparatus | Kietsu Iwabuchi, Koji Sasaki, Tetsu Watanabe, Yoshio Aoki | 1994-02-15 |