Issued Patents All Time
Showing 126–150 of 177 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7164638 | Optical head and optical recording/reproducing device using it and aberration correction method | Hidenori Wada | 2007-01-16 |
| 7161890 | Optical head device and optical information device using this and computer optical disk player car navigation system optical disk recorder and optical disk server using this optical information device | Hidenori Wada | 2007-01-09 |
| 7158450 | Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method | Hidenori Wada, Tetsuo Saimi, Daisuke Ogata, Seiji Nishino, Hiroaki Yamamoto +1 more | 2007-01-02 |
| 7123553 | Lens support mechanism, optical head device and optical information processor | Eishin Mori, Jouji Anzai, Hideki Hayashi | 2006-10-17 |
| 7110342 | Optical head device and optical information apparatus using the same | Seiji Nishino, Hidenori Wada, Sadao Mizuno, Keiichi Matsuzaki | 2006-09-19 |
| 7088513 | Diffraction element, optical head device including the diffraction element, optical information apparatus including the optical head device, system including the optical information apparatus and method of designing diffraction grating of the diffraction element | Toshiyasu Tanaka, Kousei Sano | 2006-08-08 |
| 7075878 | Optical disk device and information recording/reproducing method | Hidenori Wada, Seiji Nishino | 2006-07-11 |
| 7068445 | Optical pickup lens device and information recording and reproducing device using the same | Katsuhiko Hayashi, Yasuhiro Tanaka, Michihiro Yamagata, Fumitomo Yamasaki | 2006-06-27 |
| 7034980 | Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing method | Hidenori Wada, Tetsuo Saimi, Daisuke Ogata, Seiji Nishino, Hiroaki Yamamoto +1 more | 2006-04-25 |
| 7027378 | Optical disk device and information recording/reproducing method | Hidenori Wada, Seiji Nishino | 2006-04-11 |
| RE38943 | Compound objective lens for optical disks having different thicknesses | Sadao Mizuno, Seiji Nishino | 2006-01-24 |
| 6987598 | Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method | Hidenori Wada, Tetsuo Saimi, Daisuke Ogata, Seiji Nishino, Hiroaki Yamamoto +1 more | 2006-01-17 |
| 6967916 | Optical head apparatus, optical information recording and reproducing apparatus, method for detecting aberration and method for adjusting optical head apparatus | Kousei Sano, Shin-ichi Kadowaki, Seiji Nishino, Katsuhiko Yasuda, Akihiro Yasuda | 2005-11-22 |
| 6954417 | Optical disk device and information recording/reproducing method | Hidenori Wada, Seiji Nishino | 2005-10-11 |
| 6927375 | Optical element, optical head and optical information processor | Hiroaki Yamamoto, Shin-ichi Kadowaki, Sadao Mizuno | 2005-08-09 |
| 6928035 | Optical pick-up, optical disk apparatus and information processing apparatus | Eishin Mori, Naoya Hotta | 2005-08-09 |
| 6898169 | Optical pickup head device, information recording/reproducing apparatus, and method for recording information | Shin-ichi Kadowaki, Kousei Sano | 2005-05-24 |
| 6714498 | Information recording/reproducing apparatus | Shin-ichi Tanaka, Tetsuo Saimi | 2004-03-30 |
| 6654336 | Semiconductor light source, optical pickup head apparatus, and data record/playback apparatus | Shin-ichi Kadowaki | 2003-11-25 |
| 6643303 | Laser drive device, optical head, and optical information processor | Tatsuo Ito, Shin-ichi Kadowaki, Tomotada Kamei, Hiroaki Yamamoto | 2003-11-04 |
| 6567358 | Information recording/reproducing apparatus | Shin-ichi Tanaka, Tetsuo Saimi | 2003-05-20 |
| 6534794 | Semiconductor light-emitting unit, optical apparatus and optical disk system having heat sinking means and a heating element incorporated with the mounting system | Hideyuki Nakanishi, Yasuyuki Kochi, Akio Yoshikawa | 2003-03-18 |
| 6400671 | Optical head device | Hideki Hayashi, Tatsuo Ito, Hiroaki Yamamoto, Seiji Nishino | 2002-06-04 |
| 6278670 | Optical head apparatus | Hideki Hayashi, Tatsuo Ito, Hiroaki Yamamoto, Seiji Nishino | 2001-08-21 |
| 6272099 | Objective lens with center and periphery portions producing reciprocal interference, and optical head and optical disk device using the same | Sadao Mizuno | 2001-08-07 |