Issued Patents All Time
Showing 76–100 of 177 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, Kousei Sano, Hidenori Wada, Keiichi Matsuzaki, Kanji Wakabayashi | 2011-08-16 |
| 7990819 | Optical head apparatus and optical information apparatus | Kanji Wakabayashi, Toshiyasu Tanaka | 2011-08-02 |
| 7978568 | Optical head, diffraction device, objective lens, and optical disc apparatus | Fumitomo Yamasaki, Katsuhiko Hayashi | 2011-07-12 |
| 7974167 | Optical disc apparatus, optical information equipment with the optical disc apparatus, and focusing control LSI in the optical disc apparatus | Kanji Wakabayashi, Fumitomo Yamasaki, Toshiyasu Tanaka | 2011-07-05 |
| 7944798 | Objective lens unit, optical pickup, and optical information device having ultraviolet-transmissive lens holder | Kanji Wakabayashi, Kousei Sano, Toshiyasu Tanaka, Keiichi Matsuzaki, Hidenori Wada | 2011-05-17 |
| 7936644 | Optical pickup device and information processing apparatus incorporating the optical pickup | Kouretsu Boku, Kanji Wakabayashi, Hideki Hayashi | 2011-05-03 |
| 7924686 | Objective lens and optical pickup device | Takahiro Tomita, Michihiro Yamagata, Katsuhiko Hayashi | 2011-04-12 |
| 7920310 | Complex objective lens for an optical head and optical information apparatus | — | 2011-04-05 |
| 7911923 | Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server | — | 2011-03-22 |
| 7911925 | Optical pickup | Toshiyasu Tanaka | 2011-03-22 |
| 7898923 | Optical pickup device with heat radiation part, and optical disc apparatus including the optical pickup device | Toshiyasu Tanaka, Kousei Sano, Hidenori Wada, Keiichi Matsuzaki, Kanji Wakabayashi | 2011-03-01 |
| 7889622 | Optical head for optical recorder/reproducer | Hidenori Wada, Sadao Mizuno, 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, Hidenori Wada, Akihiro Yasuda | 2011-01-04 |
| 7859980 | Optical pickup device and information processor | Kanji Wakabayashi, Kousei Sano, Hidenori Wada, Keiichi Matsuzaki, Toshiyasu Tanaka | 2010-12-28 |
| 7817525 | Objective lens and optical pickup device | Takahiro Tomita, Michihiro Yamagata, Katsuhiko Hayashi | 2010-10-19 |
| 7817355 | Afocal lens, optical head, optical disk apparatus and optical information equipment | Fumitomo Yamasaki, Kanji Wakabayashi, Toshiyasu Tanaka, Katsuhiko Hayashi | 2010-10-19 |
| 7813251 | Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatus | Hidenori Wada | 2010-10-12 |
| 7800987 | Optical pickup driving apparatus and optical pickup beam spot positioning method | Akira Yoshikawa | 2010-09-21 |
| 7801009 | Optical head device and diffractive element, optical information apparatus, computer, disc player, car navigation system, optical disc recorder, and vehicle | — | 2010-09-21 |
| 7773304 | Optical pickup, optical disc drive device, and optical information device | Keiichi Matsuzaki, Toshiyasu Tanaka, Kousei Sano, Kanji Wakabayashi, Hidenori Wada | 2010-08-10 |
| RE41455 | Objective lens for optical disks having different thicknesses | Sadao Mizuno, Seiji Nishino | 2010-07-27 |
| 7760612 | Optical element and optical head device using it, and optical information device using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information device | Sadao Mizuno, Kousei Sano | 2010-07-20 |
| 7742384 | Optical head and optical disc device | Fumitomo Yamasaki, Kousei Sano, Kanji Wakabayashi, Toshiyasu Tanaka | 2010-06-22 |
| 7738343 | Optical disk device and information recording/reproducing method | Hidenori Wada, Seiji Nishino | 2010-06-15 |
| 7693026 | Optical element, optical head, optical information recording and reproduction apparatus, computer, image recording device, image reproduction device, server and car navigation system | Kousei Sano, Hidenori Wada, Akihiro Yasuda | 2010-04-06 |