Issued Patents All Time
Showing 26–50 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7379398 | Optical disc apparatus, an optical disc method, and a semiconductor integrated circuit capable of adjusting a focus position of a light beam and a spherical aberration | Takeshi Shimamoto, Shin-ichi Yamada, Yuuichi Kuze, Kenji Kondo, Katsuya Watanabe | 2008-05-27 |
| 7352664 | 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 | 2008-04-01 |
| 7283435 | Optical disc device | Yuuichi Kuze, Kenji Fujiune, Takashi Kishimoto, Shin-ichi Yamada, Katsuya Watanabe +2 more | 2007-10-16 |
| 7277365 | Optical information processing apparatus and method of processing optical information | Akihiro Yasuda, Kousei Sano, Yuuichi Kuze | 2007-10-02 |
| 7227819 | Optical pick-up head, optical information apparatus, and optical information reproducing method | Kousei Sano, Akihiro Arai, Katsuhiko Yasuda, Tomotada Kamei, Hiroaki Yamamoto +1 more | 2007-06-05 |
| 7221644 | Disc-shaped recording medium, disc driving device and disc producing method | Shoei Kobayashi, Tamotsu Yamagami, Takashi Ishida, Cornelis Marinus Schep, Hermanus Borg | 2007-05-22 |
| 7203138 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Kousei Sano, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2007-04-10 |
| 7170664 | 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 | 2007-01-30 |
| 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 |
| 7154838 | Optical detector, optical head device, optical information processing device, and optical information processing method | Tomotada Kamei | 2006-12-26 |
| 7113472 | Optical head including an active polymer film for switching voltage during recording and reproducing processes | Hidenori Wada, Seiji Nishino, Hiroaki Yamamoto, Daisuke Ogata | 2006-09-26 |
| 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 |
| 6987721 | Optical record medium, optical information processing apparatus, and optical recording/reproducing method | Hiroaki Yamamoto | 2006-01-17 |
| 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 |
| 6980489 | INFORMATION RECORDING/REPRODUCING APPARATUS FOR RECORDING/REPRODUCING INFORMATION WITH RESPECT TO INFORMATION STORING MEDIUM WITH GUIDE TRACKS AND INFORMATION TRACKS, AND TRACKING METHOD USING THE INFORMATION STORING MEDIUM | Kousei Sano | 2005-12-27 |
| 6967916 | Optical head apparatus, optical information recording and reproducing apparatus, method for detecting aberration and method for adjusting optical head apparatus | Kousei Sano, Yoshiaki Komma, Seiji Nishino, Katsuhiko Yasuda, Akihiro Yasuda | 2005-11-22 |
| 6927375 | Optical element, optical head and optical information processor | Hiroaki Yamamoto, Yoshiaki Komma, Sadao Mizuno | 2005-08-09 |
| 6898169 | Optical pickup head device, information recording/reproducing apparatus, and method for recording information | Yoshiaki Komma, Kousei Sano | 2005-05-24 |
| 6882607 | Optical head device and method for processing information based on prescribed division areas | Kousei Sano, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2005-04-19 |
| 6810002 | Information storing medium with guide tracks and information tracks | Kousei Sano | 2004-10-26 |
| 6798723 | Optical pickup head and information recording/reproducing device | Hideki Hayashi, Sadao Mizuno, Daisuke Ogata, Kousei Sano, Jouji Anzai +1 more | 2004-09-28 |
| 6744707 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Kousei Sano, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2004-06-01 |
| 6741416 | Tracking signal generating device and method, and magnetic recording/reproducing system | Kousei Sano, Hajime Hatada, Ikuo Ohmura | 2004-05-25 |
| 6731585 | Optical pick-up head with semiconductor laser | Hideki Hayashi | 2004-05-04 |
| 6728192 | Tracking error signal detection system for optical recording medium | Shinichi Tanaka, Seiji Nishiwaki, Kousei Sano, Seiji Nishino | 2004-04-27 |