Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Kousei Sano, 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, Kousei Sano, Toshiyasu Tanaka, Keiichi Matsuzaki | 2011-05-17 |
| 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 |