Issued Patents All Time
Showing 51–75 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7518976 | Optical head with light sources of different wavelength | Yoshiaki Komma, Toshiyasu Tanaka | 2009-04-14 |
| 7486606 | Optical head and optical information apparatus for recording or reproducing information on an information recording medium | Yoshiaki Komma, Sadao Mizuno | 2009-02-03 |
| 7466642 | Optical element, optical head, optical information recording/reproduction device, computer, video recording device, video reproduction device, server, and car navigation system | Yoshiaki Komma, Hidenori Wada, Akihiro Yasuda | 2008-12-16 |
| 7463561 | Optical pick-up head, optical information apparatus, and optical information reproducing method | Shin-ichi Kadowaki, Akihiro Arai, Katsuhiko Yasuda, Tomotada Kamei, Hiroaki Yamamoto +1 more | 2008-12-09 |
| 7460448 | Optical pick-up head, optical information apparatus, and optical information reproducing method | Shin-ichi Kadowaki, Akihiro Arai, Katsuhiko Yasuda, Tomotada Kamei, Hiroaki Yamamoto +1 more | 2008-12-02 |
| 7450308 | Beam shaping lens, lens part, mounting plate, optical head, optical information recording and reproducing apparatus, computer, image recording and reproducing apparatus, image reproducing apparatus, server and car navigation system | Toshiyasu Tanaka, Yoshiaki Komma, Akihiro Arai | 2008-11-11 |
| 7420897 | Optical head, an optical disk device and an integrated circuit | Fumitomo Yamasaki, Shin-ichi Kadowaki, Akihiro Arai | 2008-09-02 |
| 7346554 | Online shopping system, information processing apparatus and method, and information processing program recording medium | Shinichi Tanaka | 2008-03-18 |
| 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, Shin-ichi Kadowaki, Yuuichi Kuze | 2007-10-02 |
| 7227819 | Optical pick-up head, optical information apparatus, and optical information reproducing method | Shin-ichi Kadowaki, Akihiro Arai, Katsuhiko Yasuda, Tomotada Kamei, Hiroaki Yamamoto +1 more | 2007-06-05 |
| 7203138 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2007-04-10 |
| 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, Yoshiaki Komma | 2006-08-08 |
| 7065013 | Optical disk apparatus | Katsuhiko Yasuda, Daisuke Ogata, Yuuichi Kuze | 2006-06-20 |
| 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 | Shin-ichi Kadowaki | 2005-12-27 |
| 6967916 | Optical head apparatus, optical information recording and reproducing apparatus, method for detecting aberration and method for adjusting optical head apparatus | Shin-ichi Kadowaki, Yoshiaki Komma, Seiji Nishino, Katsuhiko Yasuda, Akihiro Yasuda | 2005-11-22 |
| 6934226 | Optical disk apparatus | Katsuhiko Yasuda, Daisuke Ogata, Yuuichi Kuze | 2005-08-23 |
| 6898169 | Optical pickup head device, information recording/reproducing apparatus, and method for recording information | Shin-ichi Kadowaki, Yoshiaki Komma | 2005-05-24 |
| 6882607 | Optical head device and method for processing information based on prescribed division areas | Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2005-04-19 |
| 6810002 | Information storing medium with guide tracks and information tracks | Shin-ichi Kadowaki | 2004-10-26 |
| 6798723 | Optical pickup head and information recording/reproducing device | Hideki Hayashi, Sadao Mizuno, Daisuke Ogata, Shin-ichi Kadowaki, 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 | Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2004-06-01 |
| 6741416 | Tracking signal generating device and method, and magnetic recording/reproducing system | Shin-ichi Kadowaki, Hajime Hatada, Ikuo Ohmura | 2004-05-25 |
| 6728192 | Tracking error signal detection system for optical recording medium | Shin-ichi Kadowaki, Shinichi Tanaka, Seiji Nishiwaki, Seiji Nishino | 2004-04-27 |
| 6665257 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2003-12-16 |

