Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8031570 | Optical disk unit and driving method therefor | Katsuya Watanabe, Rie Takahashi, Takashi Kishimoto | 2011-10-04 |
| 7969844 | Optical disc device | Katsuya Watanabe, Akira Yoshikawa, Eiji Ueda, Yuuichi Kuze | 2011-06-28 |
| 7911907 | Optical disc judgment method and optical disc device | Katsuya Watanabe, Takashi Kishimoto, Rie Takahashi | 2011-03-22 |
| 7903515 | Optical disc drive | Kenichi Morikawa, Takahiro Sato, Yasuhiro Tai, Yoshiyuki Hashimoto | 2011-03-08 |