Issued Patents All Time
Showing 1–25 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10283157 | Optical pickup | Seiji Hoshi, Noriaki Terahara | 2019-05-07 |
| 9508379 | Recording apparatus | Kousei Sano, Yoshiaki Komma, Kanji Wakabayashi | 2016-11-29 |
| 9484054 | Optical disc information device and information processing device | Kanji Wakabayashi, Kousei Sano, Yoshiaki Komma, Toshiyasu Tanaka | 2016-11-01 |
| 9418695 | Optical information apparatus and information processing apparatus | Kousei Sano, Yoshiaki Komma, Kanji Wakabayashi, Toshiyasu Tanaka | 2016-08-16 |
| 8995246 | Optical head, objective lens, optical disc device, computer, optical disc player, and optical disc recorder | Yoshiaki Komma | 2015-03-31 |
| 8953428 | Objective lens, optical head, optical disk device, and information processing device | Kazuhiro Minami, Yoshiaki Komma | 2015-02-10 |
| 8848501 | Detection lens, lens unit, optical pickup device, optical disc device, computer, optical disc player and optical disc recorder | Toshiyasu Tanaka, Noriaki Terahara, Takeshi Ohta, Shinsuke Hatanaka | 2014-09-30 |
| 8797834 | Objective lens, optical head, optical disk device, and information processing device | Hiroshi Shiroiwa, Yoshiaki Komma, Junichi Asada, Osamu Kajino, Noriaki Terahara +1 more | 2014-08-05 |
| 8767518 | Objective lens element and optical pickup device | Katsuhiko Hayashi, Yasuhiro Tanaka, Michihiro Yamagata | 2014-07-01 |
| 8755259 | Optical element | Kuzuhiro Minami, Yoshiaki Komma | 2014-06-17 |
| 8681592 | Objective lens element and optical head device including the same | Kazuhiro Minami, Yoshiaki Komma, Katsuhiko Hayashi | 2014-03-25 |
| 8681593 | Objective lens, optical head and optical disk device | Yoshiaki Komma, Katsuhiko Hayashi, Yoshifumi Takasu | 2014-03-25 |
| 8531926 | Optical system for optical pickup | Katsuhiko Hayashi, Yasuhiro Tanaka, Michihiro Yamagata | 2013-09-10 |
| 8493824 | Optical head and optical disc device | Akihiro Arai, Hideki Aikoh | 2013-07-23 |
| 8483023 | Optical head, diffraction device, objective lens, and optical disc apparatus | Yoshiaki Komma, Katsuhiko Hayashi | 2013-07-09 |
| 8477584 | Optical head, optical disc drive, computer, optical discplayer and optical disc recorder | Yoshiaki Komma, Kanji Wakabayashi, Toshiyasu Tanaka | 2013-07-02 |
| 8473972 | Optical pickup and drive apparatus | Noriaki Terahara, Shinsuke Hatanaka, Toshiyasu Tanaka, Takeshi Ohta | 2013-06-25 |
| 8467282 | Optical disc device, optical head, and information processing device | Eishin Mori | 2013-06-18 |
| 8456971 | Optical disk driving apparatus, optical disk driving system, vehicle equipped with optical disk driving system, method of correcting spherical aberration in optical disk driving apparatus, program and recording medium | Yoshiaki Komma, Toshiyasu Tanaka, Kanji Wakabayashi | 2013-06-04 |
| 8441907 | Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lights | Yoshiaki Komma, Toshiyasu Tanaka | 2013-05-14 |
| 8432782 | Objective lens, optical head, optical disk apparatus, and information processing apparatus | Kazuhiro Minami, Yoshiaki Komma, Junichi Asada, Osamu Kajino, Noriaki Terahara +1 more | 2013-04-30 |
| 8411547 | Information recording medium, information supply system, and optical information device | Kanji Wakabayashi, Yoshiaki Komma, Toshiyasu Tanaka | 2013-04-02 |
| 8391120 | Optical head, optical disc device and information processing device | Kousei Sano, Tomoaki Tojo, Katsuhiko Hayashi, Yoshiaki Komma | 2013-03-05 |
| 8385169 | Optical disc drive and optical information system | Yoshiaki Komma, Kanji Wakabayashi, Toshiyasu Tanaka | 2013-02-26 |
| 8325581 | Optical head and optical disc device | Hideki Aikoh, Akihiro Arai | 2012-12-04 |