Issued Patents All Time
Showing 26–50 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8144564 | Optical head and optical information device | Yoshiaki Komma, Kanji Wakabayashi, Toshiyasu Tanaka, Keiichi Matsuzaki, Hidenori Wada | 2012-03-27 |
| 8144563 | Information recording medium, reproducing device and reproducing method | Masahito Nakao, Yasumori Hino, Yoshiaki Komma, Fumitomo Yamasaki | 2012-03-27 |
| 8107346 | Optical head device and optical information processing device | Yoshiaki Komma, Shin-ichi Kadowaki | 2012-01-31 |
| RE43126 | Optical pickup head and information recording/reproducing device | Hideki Hayashi, Sadao Mizuno, Daisuke Ogata, Shin-ichi Kadowaki, Jouji Anzai +1 more | 2012-01-24 |
| 8094543 | Information recording medium, reproducing apparatus and reproducing method | Masahito Nakao, Yasumori Hino, Yoshiaki Komma, Fumitomo Yamasaki | 2012-01-10 |
| 8068403 | Optical head | Takayuki Nagata, Joji Anzai, Hideki Aikoh, Eishin Mori, Yoshiaki Komma +1 more | 2011-11-29 |
| 8045426 | Optical head device, and recording and/or reproducing device | Eishin Mori, Joji Anzai, Hideki Aikoh | 2011-10-25 |
| RE42825 | Optical pickup head device, information recording/reproducing apparatus, and method for recording information | Shin-ichi Kadowaki, Yoshiaki Komma | 2011-10-11 |
| 8000209 | Optical pickup, optical element, optical information device, computer, optical information medium player, car navigation system, optical information medium recorder and optical disk server for use with a light source which emits a divergent beam | Toshiyasu Tanaka, Yoshiaki Komma, Hidenori Wada, Keiichi Matsuzaki, Kanji Wakabayashi | 2011-08-16 |
| 7944798 | Objective lens unit, optical pickup, and optical information device having ultraviolet-transmissive lens holder | Yoshiaki Komma, Kanji Wakabayashi, Toshiyasu Tanaka, Keiichi Matsuzaki, Hidenori Wada | 2011-05-17 |
| 7898923 | Optical pickup device with heat radiation part, and optical disc apparatus including the optical pickup device | Toshiyasu Tanaka, Yoshiaki Komma, Hidenori Wada, Keiichi Matsuzaki, Kanji Wakabayashi | 2011-03-01 |
| 7864650 | Optical element, optical head, optical information recording and reproduction apparatus, computer, image recording device, image reproduction device, server and car navigation system | Yoshiaki Komma, Hidenori Wada, Akihiro Yasuda | 2011-01-04 |
| 7859980 | Optical pickup device and information processor | Kanji Wakabayashi, Yoshiaki Komma, Hidenori Wada, Keiichi Matsuzaki, Toshiyasu Tanaka | 2010-12-28 |
| 7848208 | Optical head device, aberration correction method and optical information processing apparatus | Eishin Mori, Hideki Aikoh, Joji Anzai | 2010-12-07 |
| 7778140 | Optical head device and optical information device | Takayuki Nagata, Hideki Aikoh, Joji Anzai, Fumitomo Yamasaki | 2010-08-17 |
| 7773304 | Optical pickup, optical disc drive device, and optical information device | Keiichi Matsuzaki, Yoshiaki Komma, Toshiyasu Tanaka, Kanji Wakabayashi, Hidenori Wada | 2010-08-10 |
| 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, Sadao Mizuno | 2010-07-20 |
| 7742384 | Optical head and optical disc device | Fumitomo Yamasaki, Yoshiaki Komma, Kanji Wakabayashi, Toshiyasu Tanaka | 2010-06-22 |
| 7693026 | Optical element, optical head, optical information recording and reproduction apparatus, computer, image recording device, image reproduction device, server and car navigation system | Yoshiaki Komma, Hidenori Wada, Akihiro Yasuda | 2010-04-06 |
| 7640559 | Objective lens actuator | Kanji Wakabayashi, Yoshiaki Komma, Hidenori Wada, Keiichi Matsuzaki, Toshiyasu Tanaka | 2009-12-29 |
| 7558162 | 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 | 2009-07-07 |
| 7558170 | 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 | 2009-07-07 |
| 7542382 | 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 | 2009-06-02 |
| 7539089 | Optical disc device | Yuuichi Kuze, Kenji Fujiune, Takashi Kishimoto, Shin-ichi Yamada, Katsuya Watanabe +2 more | 2009-05-26 |
| 7539090 | 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 | 2009-05-26 |