Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36709 | Photomagnetic disc record/reproduction apparatus including improved magnetic head lifting mechanism | Tomomi Matsumura | 2000-05-23 |
| 5500838 | Photomagnetic disc record/reproduction apparatus including improved magnetic head lifting mechanism | Tomomi Matsumura | 1996-03-19 |