Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650615 | Optical recording medium and recording and/or reproducing method and apparatus employing the optical recording medium | Akio Yasuda, Yuichi Sabi | 2003-11-18 |
| 6572947 | Optical recording medium | Yuichi Sabi, Hidetoshi Watanabe | 2003-06-03 |
| 6564009 | Apparatus for recording and/or reproducing data onto and/or from an optical disk and method thereof | Hideo Owa, Shoei Kobayashi, Susumu Sensyu, Shinji Katsuramoto, Toshio Watanabe +2 more | 2003-05-13 |