Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237547 | Multi-head magneto-optical disk apparatus | Tomohisa Hasumi | 1993-08-17 |
| 5148416 | Signal processing circuit for magnetooptical record/reproducing apparatus | Shunji Hoshino | 1992-09-15 |
| 5010537 | Optical disc device with multi-head slider and tracking control | Satoru Sanada | 1991-04-23 |