Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43126 | Optical pickup head and information recording/reproducing device | Hideki Hayashi, Sadao Mizuno, Daisuke Ogata, Shin-ichi Kadowaki, Kousei Sano +1 more | 2012-01-24 |
| 7123553 | Lens support mechanism, optical head device and optical information processor | Eishin Mori, Hideki Hayashi, Yoshiaki Komma | 2006-10-17 |
| 6920102 | Converging element, optical head, and apparatus and method of optically recording and reproducing information | Sadao Mizuno, Hiroaki Yamamoto, Hideki Hayashi, Tomotada Kamei | 2005-07-19 |
| 6873588 | Converging element, optical head, and apparatus and method of optically recording and reproducing information | Sadao Mizuno, Hiroaki Yamamoto, Hideki Hayashi, Tomotada Kamei | 2005-03-29 |
| 6859428 | Converging element, optical head, and apparatus and method of optically recording and reproducing information | Sadao Mizuno, Hiroaki Yamamoto, Hideki Hayashi, Tomotada Kamei | 2005-02-22 |
| 6798723 | Optical pickup head and information recording/reproducing device | Hideki Hayashi, Sadao Mizuno, Daisuke Ogata, Shin-ichi Kadowaki, Kousei Sano +1 more | 2004-09-28 |
| 5905255 | Objective lens driver | Kanji Wakabayashi, Hitoshi Fujii, Hiroshi Yamamoto, Yasumasa Shibata | 1999-05-18 |