Issued Patents All Time
Showing 25 most recent of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9911449 | Recorder and player apparatus stably keeping track of recording medium | Kazuo Momoo, Junichi Asada, Yasushi Kobayashi, Yuichi Takahashi | 2018-03-06 |
| 9508379 | Recording apparatus | Yoshiaki Komma, Fumitomo Yamasaki, Kanji Wakabayashi | 2016-11-29 |
| 9484054 | Optical disc information device and information processing device | Kanji Wakabayashi, Fumitomo Yamasaki, Yoshiaki Komma, Toshiyasu Tanaka | 2016-11-01 |
| 9418695 | Optical information apparatus and information processing apparatus | Fumitomo Yamasaki, Yoshiaki Komma, Kanji Wakabayashi, Toshiyasu Tanaka | 2016-08-16 |
| 9251836 | Optical disc apparatus, sheet member, and method for cleaning objective lens | Hideki Nakata, Hideki Aikoh | 2016-02-02 |
| 9196286 | Optical disk information device and information processing device | Kanji Wakabayashi, Yoshiaki Komma | 2015-11-24 |
| 9080966 | Detection device, information reproduction device, drive device, sensor, and detection method | Keiichi Matsuzaki, Teruhiro Shiono | 2015-07-14 |
| 8923105 | Optical information device, cross-talk reduction method, computer, player, and recorder | Yoshiaki Komma, Kanji Wakabayashi | 2014-12-30 |
| 8909002 | Light modulator, optical pickup, and light modulation module | Tatsuya Takaoka, Hidenori Wada | 2014-12-09 |
| 8837264 | Optical information device, optical disc driving device, optical information recording device, optical information reproducing device, gap control method, and optical pickup | Keiichi Matsuzaki, Hidenori Wada, Tatsuya Takaoka | 2014-09-16 |
| 8780683 | Information recording medium, tracking method, and optical information apparatus | Tatsuya Takaoka, Hidenori Wada, Keiichi Matsuzaki | 2014-07-15 |
| 8614938 | Objective lens unit, optical pickup, and optical information apparatus | Yoshiaki Komma, Kanji Wakabayashi, Toshiyasu Tanaka, Keiichi Matsuzaki, Hidenori Wada | 2013-12-24 |
| 8483034 | Optical pickup, inclination angle detection method, optical information device and information processing device | Hidenori Wada, Keiichi Matsuzaki, Sadao Mizuno | 2013-07-09 |
| 8483031 | Optical head device, optical information device and information processing device | Yoshiaki Komma | 2013-07-09 |
| 8437239 | Optical pickup, optical disk drive device, optical information recording device, and optical information reproduction device | Keiichi Matsuzaki | 2013-05-07 |
| 8427928 | Optical head and optical information device | Hideki Nakata, Takashi Haruguchi, Osamu Kajino | 2013-04-23 |
| 8395980 | Optical head device, optical information device, and information processing device | Yoshiaki Komma, Joji Anzai, Yasumori Hino, Hideki Nakata, Keisuke Fujimoto +2 more | 2013-03-12 |
| 8391120 | Optical head, optical disc device and information processing device | Fumitomo Yamasaki, Tomoaki Tojo, Katsuhiko Hayashi, Yoshiaki Komma | 2013-03-05 |
| 8320227 | Objective lens unit, optical pickup, and optical information apparatus | Yoshiaki Komma, Kanji Wakabayashi, Toshiyasu Tanaka, Keiichi Matsuzaki, Hidenori Wada | 2012-11-27 |
| 8295150 | Optical information medium measurement method, optical information method, optical information medium, recording apparatus, and reproducing apparatus | Yoshiaki Komma, Yasumori Hino | 2012-10-23 |
| 8259554 | Optical head device, optical information device, and diffractive element | Hirotaka Ueno | 2012-09-04 |
| 8228774 | Optical information medium measurement method, optical information medium, recording apparatus and reproducing apparatus | Yoshiaki Komma, Yasumori Hino | 2012-07-24 |
| RE43540 | Optical pickup, optical disc drive device, and optical information device | Keiichi Matsuzaki, Yoshiaki Komma, Toshiyasu Tanaka, Kanji Wakabayashi, Hidenori Wada | 2012-07-24 |
| 8218418 | Optical information medium measurement method, optical information medium, recording apparatus, and reproducing apparatus | Yoshiaki Komma, Yasumori Hino | 2012-07-10 |
| 8208359 | Optical head, optical information recording and reproducing device, and optical information system device | Hideki Aikoh, Makoto Takashima, Eishin Mori, Joji Anzai, Kenichi Shinotani | 2012-06-26 |