| Patent | Date |
|---|
Method and apparatus for discriminating optical disks
App 20040240357 - Takeya, Noriyoshi | 2004-12-02 |
Optical pickup device and method of adjusting the same
Grant 6,813,234 - Togashi , et al. November 2, 2 | 2004-11-02 |
Optical pickup unit and information recording and reproducing apparatus
App 20040085867 - Sasaoka, Takayuki ; et al. | 2004-05-06 |
Light irradiating device, optical pickup device with the same, method of adjusting light irradiating device
Grant 6,704,152 - Togashi , et al. March 9, 2 | 2004-03-09 |
Optical pickup apparatus having wavelength selecting numerical aperture limiting unit and wavelength selecting beam spilitter
App 20030185136 - Kaiho, Naoki ; et al. | 2003-10-02 |
Wavelength coupling device and optical pickup apparatus equipped therewith
App 20030185133 - Kaiho, Naoki ; et al. | 2003-10-02 |
Optical pickup device and method of adjusting the same
App 20030103438 - Togashi, Mitsuhiro ; et al. | 2003-06-05 |
Light irradiating device, optical pickup device with the same, method of adjusting light irradiating device
App 20030103276 - Togashi, Mitsuhiro ; et al. | 2003-06-05 |
Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium
App 20010008506 - Takeya, Noriyoshi ; et al. | 2001-07-19 |
Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium
Grant 6,240,054 - Takeya , et al. May 29, 2 | 2001-05-29 |
Optical record medium judging method and apparatus and focus servo controlling method and apparatus
Grant 5,790,493 - Takeya , et al. August 4, 1 | 1998-08-04 |
Video image mixing apparatus
Grant 5,636,312 - Okamoto , et al. June 3, 1 | 1997-06-03 |
Apparatus for mixing video signals having different numbers of lines
Grant 5,434,676 - Okamoto , et al. July 18, 1 | 1995-07-18 |
Video game apparatus
Grant 5,390,938 - Takeya February 21, 1 | 1995-02-21 |
Video mixing apparatus capable of combining two input signals and varying the mixing ratio line by line
Grant 5,355,175 - Okada , et al. October 11, 1 | 1994-10-11 |
Servo apparatus for optical disk player having both open loop coarse gain control and closed loop fine gain control
Grant 5,146,443 - Iwase , et al. September 8, 1 | 1992-09-08 |
Disc player with manual search function
Grant 5,105,402 - Ishii , et al. April 14, 1 | 1992-04-14 |
Method for setting the loop gain in a tracking servo loop
Grant 5,101,391 - Ishii , et al. March 31, 1 | 1992-03-31 |
Servo device for disc player
Grant 5,050,149 - Ishii , et al. September 17, 1 | 1991-09-17 |
Magazine-housed disk player
Grant 4,899,326 - Takeya , et al. February 6, 1 | 1990-02-06 |
Spindle servo device for data recording disk reproducing apparatus
Grant 4,885,644 - Ishii , et al. December 5, 1 | 1989-12-05 |
Disk playing method resulting in reduced start-up time
Grant 4,872,068 - Ishii , et al. October 3, 1 | 1989-10-03 |
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