Issued Patents All Time
Showing 1–25 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8483034 | Optical pickup, inclination angle detection method, optical information device and information processing device | Hidenori Wada, Kousei Sano, Keiichi Matsuzaki | 2013-07-09 |
| 8233371 | Objective lens, optical head and optical disc device | Fumitomo Yamasaki, Katsuhiko Hayashi, Hideki Aikoh | 2012-07-31 |
| 8184522 | Optical head for optical recorder/reproducer | Hidenori Wada, Yoshiaki Komma, Keiichi Matsuzaki | 2012-05-22 |
| RE43126 | Optical pickup head and information recording/reproducing device | Hideki Hayashi, Daisuke Ogata, Shin-ichi Kadowaki, Kousei Sano, Jouji Anzai +1 more | 2012-01-24 |
| 8064314 | Optical head and optical disc device | — | 2011-11-22 |
| 8004954 | Optical pickup, optical disk device, computer and optical disk recorder | — | 2011-08-23 |
| 7952979 | Coupling lens, optical head and optical disc device | Fumitomo Yamasaki, Katsuhiko Hayashi, Hideki Aikoh | 2011-05-31 |
| 7889622 | Optical head for optical recorder/reproducer | Hidenori Wada, Yoshiaki Komma, Keiichi Matsuzaki | 2011-02-15 |
| RE41455 | Objective lens for optical disks having different thicknesses | Yoshiaki Komma, Seiji Nishino | 2010-07-27 |
| 7760612 | Optical element and optical head device using it, and optical information device using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information device | Yoshiaki Komma, Kousei Sano | 2010-07-20 |
| 7656777 | Optical recording medium, optical information processor, and optical recording/reproducing method | Hiroaki Yamamoto, Teruhiro Shiono, Tatsuo Ito, Seiji Nishino | 2010-02-02 |
| 7486606 | Optical head and optical information apparatus for recording or reproducing information on an information recording medium | Kousei Sano, Yoshiaki Komma | 2009-02-03 |
| 7480227 | Optical head device and optical information apparatus using the same | Seiji Nishino, Hidenori Wada, Yoshiaki Komma, Keiichi Matsuzaki | 2009-01-20 |
| 7330419 | Optical head device and optical information apparatus using the same | Seiji Nishino, Hidenori Wada, Yoshiaki Komma, Keiichi Matsuzaki | 2008-02-12 |
| 7283451 | Objective lens, optical head apparatus, optical information recording/reproducing apparatus | Atsuo Kikuchi, Hideki Hayashi | 2007-10-16 |
| 7254107 | Optical head and optical recording and reproducing apparatus | Hidenori Wada, Tomotada Kamei, Hideki Hayashi | 2007-08-07 |
| 7248409 | Optical element, optical lens, optical head apparatus, optical information apparatus, computer, optical information medium player, car navigation system, optical information medium recorder, and optical information medium server | Yoshiaki Komma, Yasuhiro Tanaka | 2007-07-24 |
| 7110342 | Optical head device and optical information apparatus using the same | Seiji Nishino, Hidenori Wada, Yoshiaki Komma, Keiichi Matsuzaki | 2006-09-19 |
| 7079456 | Optical recording head capable of correcting spherical aberration | Hidenori Wada, Yasuhiro Tanaka, Hideki Hayashi | 2006-07-18 |
| 6995909 | Lens, optical head, optical information writing/reading apparatus and optical information recording medium writing/reading method | Hideki Hayashi | 2006-02-07 |
| RE38943 | Compound objective lens for optical disks having different thicknesses | Yoshiaki Komma, Seiji Nishino | 2006-01-24 |
| 6927375 | Optical element, optical head and optical information processor | Hiroaki Yamamoto, Yoshiaki Komma, Shin-ichi Kadowaki | 2005-08-09 |
| 6920102 | Converging element, optical head, and apparatus and method of optically recording and reproducing information | Hiroaki Yamamoto, Hideki Hayashi, Jouji Anzai, Tomotada Kamei | 2005-07-19 |
| 6873588 | Converging element, optical head, and apparatus and method of optically recording and reproducing information | Hiroaki Yamamoto, Hideki Hayashi, Jouji Anzai, Tomotada Kamei | 2005-03-29 |
| 6859428 | Converging element, optical head, and apparatus and method of optically recording and reproducing information | Hiroaki Yamamoto, Hideki Hayashi, Jouji Anzai, Tomotada Kamei | 2005-02-22 |