Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990819 | Optical head apparatus and optical information apparatus | Yoshiaki Komma, Toshiyasu Tanaka | 2011-08-02 |
| 7974167 | Optical disc apparatus, optical information equipment with the optical disc apparatus, and focusing control LSI in the optical disc apparatus | Yoshiaki Komma, Fumitomo Yamasaki, Toshiyasu Tanaka | 2011-07-05 |
| 7944798 | Objective lens unit, optical pickup, and optical information device having ultraviolet-transmissive lens holder | Yoshiaki Komma, 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, Yoshiaki Komma, Hideki Hayashi | 2011-05-03 |
| 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, Keiichi Matsuzaki | 2011-03-01 |
| 7859980 | Optical pickup device and information processor | Yoshiaki Komma, Kousei Sano, Hidenori Wada, Keiichi Matsuzaki, Toshiyasu Tanaka | 2010-12-28 |
| 7817355 | Afocal lens, optical head, optical disk apparatus and optical information equipment | Fumitomo Yamasaki, Yoshiaki Komma, Toshiyasu Tanaka, Katsuhiko Hayashi | 2010-10-19 |
| 7773304 | Optical pickup, optical disc drive device, and optical information device | Keiichi Matsuzaki, Yoshiaki Komma, Toshiyasu Tanaka, Kousei Sano, Hidenori Wada | 2010-08-10 |
| 7742384 | Optical head and optical disc device | Fumitomo Yamasaki, Kousei Sano, Yoshiaki Komma, Toshiyasu Tanaka | 2010-06-22 |
| 7729212 | Objective lens driving device, optical pickup device, and optical disk drive | Osamu Kajino, Hironori Tomita, Koji Ieki | 2010-06-01 |
| 7640559 | Objective lens actuator | Yoshiaki Komma, Kousei Sano, Hidenori Wada, Keiichi Matsuzaki, Toshiyasu Tanaka | 2009-12-29 |
| 7630152 | Optical pickup device, and optical disc device | Masahiro Inata, Hironori Tomita | 2009-12-08 |
| 7421720 | Optical disk device | Masuo Maruyama, Yoshito Saji | 2008-09-02 |
| 7031247 | Liquid crystal driver and optical head for tilt correction | Katsuhiko Yasuda, Hidenori Wada, Daisuke Ogata, Naoya Hotta | 2006-04-18 |
| 6791772 | Objective lens driver | Hiroshi Yamamoto, Yoshihiro Ikawa | 2004-09-14 |
| 6747921 | Apparatus for driving an objective lens utilizing flexible arms and pivotability mechanisms | Hitoshi Fujii, Hiroshi Yamamoto, Masanari Mohri, Takayuki Kojima, Daisaburo Kubota +1 more | 2004-06-08 |
| 6661415 | Liquid crystal driver and optical head for tilt correction | Katsuhiko Yasuda, Hidenori Wada, Daisuke Ogata, Naoya Hotta, Yoshihiro Ikawa +2 more | 2003-12-09 |
| 6587284 | Objective lens driving apparatus | Takeo Santo, Masanari Mohri, Hiroshi Yamamoto | 2003-07-01 |
| 6344936 | Objective lens driving apparatus | Takeo Santo, Masanari Mohri, Hiroshi Yamamoto | 2002-02-05 |
| 6134058 | Object lens driving device | Masanari Mohri, Hitoshi Fujii, Hiroshi Yamamoto, Teruyuki Takizawa, Takeo Santo | 2000-10-17 |
| 5905255 | Objective lens driver | Hitoshi Fujii, Hiroshi Yamamoto, Jouji Anzai, Yasumasa Shibata | 1999-05-18 |
| 5548577 | Disc cartridge | Benichi Miyazaki, Yukio Nishino | 1996-08-20 |
| 5319497 | Lens drive device with lens holder carrying drive flux generating magnets | Hironori Tomita, Tohru Nakamura, Noboru Kikuchi | 1994-06-07 |
| 5224083 | Objective lens driving apparatus | Hironori Tomita, Tohru Nakamura, Noboru Kikuchi | 1993-06-29 |