Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KS

Kousei Sano

Panasonic: 56 patents #171 of 21,108Top 1%
Sumitomo Electric Industries: 33 patents #399 of 21,551Top 2%
Overall (All Time): #18,451 of 4,157,543Top 1%
89 Patents All Time

Issued Patents All Time

Showing 51–75 of 89 patents

Patent #TitleCo-InventorsDate
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