Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8125874 | Optical pickup device | Yasuo Ueda, Yoshiyuki Hashimoto, Noriaki Terahara, Toshiaki Takasu | 2012-02-28 |
| 8089850 | Optical pickup, optical disc apparatus, integrated coupling lens, integrated prism, and optical information equipment | Fumitomo Yamasaki, Yoshiaki Komma, Kanji Wakabayashi | 2012-01-03 |
| 8072870 | Optical pickup and optical disc drive | Fumitomo Yamasaki, Kanji Wakabayashi, Yoshiaki Komma | 2011-12-06 |
| 8068402 | Optical head, optical disc device, computer, optical disc player and optical disc recorder | Fumitomo Yamasaki, Yoshiaki Komma, Yohichi Saitoh | 2011-11-29 |
| 8064296 | Optical head, optical disc device and information recording and/or reproducing device | Fumitomo Yamasaki, Yoshiaki Komma, Kanji Wakabayashi | 2011-11-22 |
| 8031574 | Information recording medium, information supply system, and optical information device | Fumitomo Yamasaki, Kanji Wakabayashi, Yoshiaki Komma | 2011-10-04 |
| 8004952 | Optical pickup, optical information device, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server | Yoshiaki Komma, Kanji Wakabayashi, Fumitomo Yamasaki, Osamu Kajino | 2011-08-23 |
| 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 | Yoshiaki Komma, Kousei Sano, Hidenori Wada, Keiichi Matsuzaki, Kanji Wakabayashi | 2011-08-16 |
| 7990819 | Optical head apparatus and optical information apparatus | Kanji Wakabayashi, Yoshiaki Komma | 2011-08-02 |
| 7974167 | Optical disc apparatus, optical information equipment with the optical disc apparatus, and focusing control LSI in the optical disc apparatus | Kanji Wakabayashi, Yoshiaki Komma, Fumitomo Yamasaki | 2011-07-05 |
| 7944798 | Objective lens unit, optical pickup, and optical information device having ultraviolet-transmissive lens holder | Yoshiaki Komma, Kanji Wakabayashi, Kousei Sano, Keiichi Matsuzaki, Hidenori Wada | 2011-05-17 |
| 7911925 | Optical pickup | Yoshiaki Komma | 2011-03-22 |
| 7898923 | Optical pickup device with heat radiation part, and optical disc apparatus including the optical pickup device | Yoshiaki Komma, Kousei Sano, Hidenori Wada, Keiichi Matsuzaki, Kanji Wakabayashi | 2011-03-01 |
| 7859980 | Optical pickup device and information processor | Kanji Wakabayashi, Yoshiaki Komma, Kousei Sano, Hidenori Wada, Keiichi Matsuzaki | 2010-12-28 |
| 7817355 | Afocal lens, optical head, optical disk apparatus and optical information equipment | Fumitomo Yamasaki, Yoshiaki Komma, Kanji Wakabayashi, Katsuhiko Hayashi | 2010-10-19 |
| 7773304 | Optical pickup, optical disc drive device, and optical information device | Keiichi Matsuzaki, Yoshiaki Komma, Kousei Sano, Kanji Wakabayashi, Hidenori Wada | 2010-08-10 |
| 7742384 | Optical head and optical disc device | Fumitomo Yamasaki, Kousei Sano, Yoshiaki Komma, Kanji Wakabayashi | 2010-06-22 |
| 7640559 | Objective lens actuator | Kanji Wakabayashi, Yoshiaki Komma, Kousei Sano, Hidenori Wada, Keiichi Matsuzaki | 2009-12-29 |
| 7518976 | Optical head with light sources of different wavelength | Kousei Sano, Yoshiaki Komma | 2009-04-14 |
| 7450308 | Beam shaping lens, lens part, mounting plate, optical head, optical information recording and reproducing apparatus, computer, image recording and reproducing apparatus, image reproducing apparatus, server and car navigation system | Yoshiaki Komma, Kousei Sano, Akihiro Arai | 2008-11-11 |
| 7336234 | Antenna apparatus and communication method employing it | Yutaka Taguchi, Hideki Kusunoki | 2008-02-26 |
| 7088513 | Diffraction element, optical head device including the diffraction element, optical information apparatus including the optical head device, system including the optical information apparatus and method of designing diffraction grating of the diffraction element | Yoshiaki Komma, Kousei Sano | 2006-08-08 |
| 6244488 | Method and apparatus for cutting optical fiber | — | 2001-06-12 |
| 5644672 | Optical fiber holder used in optical connectors | — | 1997-07-01 |
| 5133031 | Optical shunt device | Toyohiro Kobayashi, Shouji Mukohara | 1992-07-21 |