Issued Patents All Time
Showing 1–25 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018801 | Optical information reproduction device | Teruhiro Shiono, Tatsuo Itoh | 2011-09-13 |
| 7898925 | Information recording medium and optical information recording/reproducing apparatus | Teruhiro Shiono, Tatsuo Itoh | 2011-03-01 |
| 7787347 | Optical head device and optical information processor | Tatsuo Itoh, Teruhiro Shiono | 2010-08-31 |
| 7764589 | Confocal optical system aperture detector that measures a light quantity balance of light received to detect a position displacement, and a confocal optical system aperture position controller, an optical head and a position detecting method performing the same | Tatsuo Itoh, Teruhiro Shiono | 2010-07-27 |
| RE41455 | Objective lens for optical disks having different thicknesses | Yoshiaki Komma, Sadao Mizuno | 2010-07-27 |
| 7738343 | Optical disk device and information recording/reproducing method | Yoshiaki Komma, Hidenori Wada | 2010-06-15 |
| 7656777 | Optical recording medium, optical information processor, and optical recording/reproducing method | Hiroaki Yamamoto, Teruhiro Shiono, Tatsuo Ito, Sadao Mizuno | 2010-02-02 |
| 7580327 | Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method | Hidenori Wada, Tetsuo Saimi, Daisuke Ogata, Hiroaki Yamamoto, Shin-ichi Kadowaki +1 more | 2009-08-25 |
| 7480227 | Optical head device and optical information apparatus using the same | Hidenori Wada, Yoshiaki Komma, Sadao Mizuno, Keiichi Matsuzaki | 2009-01-20 |
| 7394733 | Optical head with spherical aberration correction and method of using same | Teruhiro Shiono, Keiichi Matsuzaki, Hidenori Wada | 2008-07-01 |
| 7352664 | Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method | Hidenori Wada, Tetsuo Saimi, Daisuke Ogata, Hiroaki Yamamoto, Shin-ichi Kadowaki +1 more | 2008-04-01 |
| 7342867 | Optical head device, optical recording device, and optical recording method | Tatsuo Ito, Teruhiro Shiono, Hiroaki Yamamoto | 2008-03-11 |
| 7333405 | Optical disk device and information recording/reproducing method | Yoshiaki Komma, Hidenori Wada | 2008-02-19 |
| 7330419 | Optical head device and optical information apparatus using the same | Hidenori Wada, Yoshiaki Komma, Sadao Mizuno, Keiichi Matsuzaki | 2008-02-12 |
| 7313080 | Information recording medium and its production method, and optical information recording reproducing apparatus | Teruhiro Shiono, Hiroaki Yamamoto, Tsuneo Mitsuyu | 2007-12-25 |
| 7283450 | Optical disk device and information recording/reproducing method | Yoshiaki Komma, Hidenori Wada | 2007-10-16 |
| 7268947 | Diffractive optical element and optical head using the same | Teruhiro Shiono, Hidenori Wada | 2007-09-11 |
| 7203138 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Kousei Sano, Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi | 2007-04-10 |
| 7193955 | Optical head device and optical information reproducing device | Tatsuo Ito, Teruhiro Shiono, Hiroaki Yamamoto | 2007-03-20 |
| 7170664 | Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method | Hidenori Wada, Tetsuo Saimi, Daisuke Ogata, Hiroaki Yamamoto, Shin-ichi Kadowaki +1 more | 2007-01-30 |
| 7158450 | Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method | Hidenori Wada, Tetsuo Saimi, Daisuke Ogata, Hiroaki Yamamoto, Shin-ichi Kadowaki +1 more | 2007-01-02 |
| 7113472 | Optical head including an active polymer film for switching voltage during recording and reproducing processes | Hidenori Wada, Shin-ichi Kadowaki, Hiroaki Yamamoto, Daisuke Ogata | 2006-09-26 |
| 7110342 | Optical head device and optical information apparatus using the same | Hidenori Wada, Yoshiaki Komma, Sadao Mizuno, Keiichi Matsuzaki | 2006-09-19 |
| 7085203 | Optical head with defocusing correction and spherical aberration correction | Teruhiro Shiono, Keiichi Matsuzaki, Hidenori Wada | 2006-08-01 |
| 7075878 | Optical disk device and information recording/reproducing method | Yoshiaki Komma, Hidenori Wada | 2006-07-11 |