Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7567488 | Dropout detection circuit and optical disc apparatus | Masayoshi Abe, Katsumi Morita | 2009-07-28 |
| 7558171 | Optical disc recording/playback apparatus | Youichi Ogura, Toshihiko Takahashi, Hiroaki Hayashi, Dai Ichiryu, Shinichi Konishi | 2009-07-07 |
| 7539097 | Optical disk device | Youichi Ogura, Toshihiko Takahashi, Shinichi Konishi, Hironori Deguchi, Takamasa Sakai | 2009-05-26 |
| 7362674 | Defect detection apparatus | Toshihiro Torii | 2008-04-22 |
| 7233551 | Optical disk control device for time-division-multiplexing and A/D conversion | Masayoshi Abe, Kouju Konno, Yasuhiro Tai | 2007-06-19 |
| 7230897 | Defect detection device | — | 2007-06-12 |
| 7023782 | Dropout detection circuit and optical disc apparatus | Masayoshi Abe, Katsumi Morita | 2006-04-04 |