Issued Patents All Time
Showing 26–50 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7898923 | Optical pickup device with heat radiation part, and optical disc apparatus including the optical pickup device | Toshiyasu Tanaka, Yoshiaki Komma, Kousei Sano, Keiichi Matsuzaki, Kanji Wakabayashi | 2011-03-01 |
| 7889622 | Optical head for optical recorder/reproducer | Sadao Mizuno, Yoshiaki Komma, Keiichi Matsuzaki | 2011-02-15 |
| 7864650 | Optical element, optical head, optical information recording and reproduction apparatus, computer, image recording device, image reproduction device, server and car navigation system | Kousei Sano, Yoshiaki Komma, Akihiro Yasuda | 2011-01-04 |
| 7859980 | Optical pickup device and information processor | Kanji Wakabayashi, Yoshiaki Komma, Kousei Sano, Keiichi Matsuzaki, Toshiyasu Tanaka | 2010-12-28 |
| 7817524 | Optical head device with multiple diffracting planes, and an optical information apparatus, computer, video recording/reproducing apparatus, video reproducing apparatus, server, and car navigation system including the same | Keiichi Matsuzaki, Yukihiro CHOKYU, Hideki Aikoh | 2010-10-19 |
| 7813251 | Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatus | Yoshiaki Komma | 2010-10-12 |
| 7773304 | Optical pickup, optical disc drive device, and optical information device | Keiichi Matsuzaki, Yoshiaki Komma, Toshiyasu Tanaka, Kousei Sano, Kanji Wakabayashi | 2010-08-10 |
| 7738343 | Optical disk device and information recording/reproducing method | Yoshiaki Komma, Seiji Nishino | 2010-06-15 |
| 7693026 | Optical element, optical head, optical information recording and reproduction apparatus, computer, image recording device, image reproduction device, server and car navigation system | Kousei Sano, Yoshiaki Komma, Akihiro Yasuda | 2010-04-06 |
| 7652970 | Light information apparatus and control method of light information apparatus | Katsuhiko Yasuda, Takeharu Yamamoto, Toshio Matsumoto | 2010-01-26 |
| 7640559 | Objective lens actuator | Kanji Wakabayashi, Yoshiaki Komma, Kousei Sano, Keiichi Matsuzaki, Toshiyasu Tanaka | 2009-12-29 |
| 7580327 | Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method | Tetsuo Saimi, Daisuke Ogata, Seiji Nishino, Hiroaki Yamamoto, Shin-ichi Kadowaki +1 more | 2009-08-25 |
| 7529043 | Beam shaping optical device, optical head, and optical information medium drive unit | Eishin Mori, Keiichi Matsuzaki, Hideki Hayashi | 2009-05-05 |
| 7480227 | Optical head device and optical information apparatus using the same | Seiji Nishino, Yoshiaki Komma, Sadao Mizuno, Keiichi Matsuzaki | 2009-01-20 |
| 7466642 | Optical element, optical head, optical information recording/reproduction device, computer, video recording device, video reproduction device, server, and car navigation system | Kousei Sano, Yoshiaki Komma, Akihiro Yasuda | 2008-12-16 |
| 7394733 | Optical head with spherical aberration correction and method of using same | Teruhiro Shiono, Keiichi Matsuzaki, Seiji Nishino | 2008-07-01 |
| 7352664 | Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method | Tetsuo Saimi, Daisuke Ogata, Seiji Nishino, Hiroaki Yamamoto, Shin-ichi Kadowaki +1 more | 2008-04-01 |
| 7333405 | Optical disk device and information recording/reproducing method | Yoshiaki Komma, Seiji Nishino | 2008-02-19 |
| 7330419 | Optical head device and optical information apparatus using the same | Seiji Nishino, Yoshiaki Komma, Sadao Mizuno, Keiichi Matsuzaki | 2008-02-12 |
| 7317676 | Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatus | Yoshiaki Komma | 2008-01-08 |
| 7283450 | Optical disk device and information recording/reproducing method | Yoshiaki Komma, Seiji Nishino | 2007-10-16 |
| 7277366 | Optical head and optical recording and reproducing apparatus | Keiichi Matsuzaki, Hideki Hayashi | 2007-10-02 |
| 7268947 | Diffractive optical element and optical head using the same | Teruhiro Shiono, Seiji Nishino | 2007-09-11 |
| 7254107 | Optical head and optical recording and reproducing apparatus | Tomotada Kamei, Sadao Mizuno, Hideki Hayashi | 2007-08-07 |
| 7215476 | Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus | Yasuo Kitaoka, Ken'ichi Kasazumi, Katsuhiko Kumagawa, Kazuhisa Yamamoto | 2007-05-08 |