Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7643382 | Preheat bulk erasing device for phase-change type optical disk | Hiroshi Nakayama, Atsushi Takeuchi, Hiroyuki Miura | 2010-01-05 |
| 7193933 | Preheating bulk erasing device for magneto-optical disk | Hiroshi Nakayama, Atsushi Takeuchi, Hiroyuki Miura | 2007-03-20 |