Issued Patents 2011
Showing 1–4 of 4 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, Hidenori Wada, 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, 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, Kousei Sano, Hidenori Wada, Kanji Wakabayashi | 2011-03-01 |
| 7889622 | Optical head for optical recorder/reproducer | Hidenori Wada, Sadao Mizuno, Yoshiaki Komma | 2011-02-15 |