Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8182093 | Image projection device including determining displayable region | Akira Kurozuka, Hironori Tomita, Osamu Kajino, Hiroshi Obi | 2012-05-22 |
| 7778135 | Optical recording medium, method for recording/reproducing information to/from optical recording medium and apparatus for recording/reproducing information | Joji Anzai, Shinichi Kadowaki, Osamu Kajino | 2010-08-17 |
| 7761888 | Optical data recording disc with protrusion between clamping area and center hole | Kazuhiro Hayashi, Eiji Ohno | 2010-07-20 |
| 7409699 | Optical data recording disc with protrusion between clamping area and center hole | Kazuhiro Hayashi, Eiji Ohno | 2008-08-05 |
| 7401346 | Optical data recording disc with protrusion between clamping area and center hole | Kazuhiro Hayashi, Eiji Ohno | 2008-07-15 |
| 7401347 | Optical data recording medium with protrusion bonded between center hole and clamping area | Kazuhiro Hayashi, Eiji Ohno | 2008-07-15 |
| 7389520 | Optical data recording disc with protrusion between clamping area and center hole | Kazuhiro Hayashi, Eiji Ohno | 2008-06-17 |
| 7290272 | Optical data recording disc with protrusion between clamping area and center hole | Kazuhiro Hayashi, Eiji Ohno | 2007-10-30 |
| 7272101 | Objective lens, optical head and optical information recording/reproducing apparatus | Yoshiaki Komma, Hiroshi Yamamoto | 2007-09-18 |
| 7065776 | Optical data recording medium and manufacturing method for the same, and a method for clamping the optical data recording medium | Kazuhiro Hayashi, Eiji Ohno | 2006-06-20 |
| 6747921 | Apparatus for driving an objective lens utilizing flexible arms and pivotability mechanisms | Kanji Wakabayashi, Hitoshi Fujii, Hiroshi Yamamoto, Takayuki Kojima, Daisaburo Kubota +1 more | 2004-06-08 |
| 6657944 | Objective lens driving device | Hiroshi Yamamoto | 2003-12-02 |
| 6587284 | Objective lens driving apparatus | Takeo Santo, Hiroshi Yamamoto, Kanji Wakabayashi | 2003-07-01 |
| 6549346 | Assembled lens, optical head and optical recordable player with them | Hidenori Wada, Keiichi Matsuzaki, Seiji Nishino, Tetsuo Saimi, Kenichi Kasazumi | 2003-04-15 |
| 6449232 | Disk type determination method | Masaya Kuwahara, Shinichi Yamada, Hiroyuki Yamaguchi, Masuo Maruyama, Akihiro Sakaguchi +2 more | 2002-09-10 |
| 6344936 | Objective lens driving apparatus | Takeo Santo, Hiroshi Yamamoto, Kanji Wakabayashi | 2002-02-05 |
| 6134058 | Object lens driving device | Hitoshi Fujii, Kanji Wakabayashi, Hiroshi Yamamoto, Teruyuki Takizawa, Takeo Santo | 2000-10-17 |
| 5751688 | Optical disc clamp mechanism for use in selectively clamping a mini disc or a compact disc in an optical disc apparatus | Osamu Mizuno, Tohru Nakamura, Hideki Aikoh, Hironori Tomita | 1998-05-12 |
| 5646934 | Adapter and adapter system for playback of a compact disc and a mini disc in an optical disc apparatus | Osamu Mizuno, Tohru Nakamura, Hideki Aikoh, Hironori Tomita | 1997-07-08 |
| 5586105 | Optical disc clamp mechanism and adapter for use in an optical disc apparatus | Osamu Mizuno, Tohru Nakamura, Hideki Aikoh, Hironori Tomita | 1996-12-17 |
| 5241528 | Optical pickup | Hironori Tomita, Atsushi Ishizuka, Tohru Nakamura, Shinichi Tanaka | 1993-08-31 |
| 5193080 | Magneto-optical recording medium and apparatus | Osamu Mizuno, Tohru Nakamura | 1993-03-09 |
| 5122998 | Magneto-optical recording and reproducing apparatus having magnetic head vertically moving support | Osamu Mizuno, Tohru Nakamura, Noboru Kikuchi | 1992-06-16 |
| 5077713 | Magneto-optical disk writing/reading apparatus including a floating magnetic head | Teruyuki Takizawa, Tohru Nakamura | 1991-12-31 |
| 5044729 | Objective lens actuator | Hironori Tomita, Tohru Nakamura, Noboru Kikuchi | 1991-09-03 |