Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469963 | Optical recording medium and method of information recording/reading an optical recording medium | Yasuo Sawada, Toru Yashiro | 2002-10-22 |
| 6445669 | Initialization of phase-change optical recording medium | Kyohji Hattori, Fumiya Ohmi, Kenichi Aihara, Katsuyuki Yamada, Yuki Nakamura +3 more | 2002-09-03 |
| 6388978 | Optical recording method for a rewritable phase-change optical recording medium | Ippei Ogawa, Katsuyuki Yamada, Yuki Nakamura, Kenichi Aihara, Hiroko Iwasaki | 2002-05-14 |
| 6373802 | Method and apparatus for initializing optical recording media | Kyohji Hattori, Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Yujiro Kaneko +2 more | 2002-04-16 |