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Moving-member detecting device and image forming apparatus
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Object detection apparatus with detection based on reflected light or scattered light via an imaging unit
Grant 9,304,228 - Nakamura , et al. April 5, 2 | 2016-04-05 |
Laser radar device
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Moving-member Detecting Device And Image Forming Apparatus
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Object Detection Apparatus
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Laser Radar Device
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Velocity detecting device and multi-color image forming apparatus
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Optical scanning device and image forming apparatus
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Optical scanning device
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Velocity Detecting Device And Multi-color Image Forming Apparatus
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Optical Scanning Device And Image Forming Apparatus
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Optical Scanning Device
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Optical delay element
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Optical pickup apparatus, optical data recording/reproducing apparatus, and optical data recording/reproducing method
Grant 7,177,258 - Ohuchida , et al. February 13, 2 | 2007-02-13 |
Diffraction grating, light source unit applying the same therein, and optical head device employing the same
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Optical delay element
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Hologram element, production method thereof, and optical header
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Optical apparatus for recording/reproducing and reading/reproducing data on an optical recording medium, and method for using same
Grant 6,876,621 - Ohuchida , et al. April 5, 2 | 2005-04-05 |
Optical pickup apparatus, optical data recording/reproducing apparatus, and optical data recording/reproducing method
App 20050058051 - Ohuchida, Shigeru ; et al. | 2005-03-17 |
Optical pickup unit and optical disk drive for accurate and stable information recording and reproduction
Grant 6,822,771 - Funato , et al. November 23, 2 | 2004-11-23 |
Diffraction grating, method of producing it, method of duplicating it, optical head device employing it and optical disk drive apparatus employing the optical head device
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Optical pickup method, optical pickup device, and optical information processing apparatus adapted with spherical aberration correction for sub-spot tracking control
Grant 6,754,162 - Fujita , et al. June 22, 2 | 2004-06-22 |
Optical pickup apparatus having improved holographic optical element and photodetector
App 20040017760 - Funato, Hiroyoshi | 2004-01-29 |
Diffraction grating, light source unit applying the same therein, and optical head device employing the same
App 20040013076 - Funato, Hiroyoshi ; et al. | 2004-01-22 |
Optical pickup apparatus having improved holographic optical element and photodetector
Grant 6,618,344 - Funato September 9, 2 | 2003-09-09 |
Optical pickup unit and optical disk drive for accurate and stable information recording and reproduction
App 20030072047 - Funato, Hiroyoshi ; et al. | 2003-04-17 |
Optical pickup method, optical pickup device, and optical information processing apparatus
App 20020003755 - Fujita, Kazuhiro ; et al. | 2002-01-10 |
Optical pickup apparatus, optical data recording/reproducing apparatus, and optical data recording/reproducing method
App 20010026523 - Ohuchida, Shigeru ; et al. | 2001-10-04 |
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Grant 4,761,046 - Funato August 2, 1 | 1988-08-02 |
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Grant 4,678,263 - Funato July 7, 1 | 1987-07-07 |
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Grant 4,637,679 - Funato January 20, 1 | 1987-01-20 |
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Grant 4,623,791 - Kaneko , et al. November 18, 1 | 1986-11-18 |
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Grant 4,470,659 - Funato September 11, 1 | 1984-09-11 |
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Grant 4,355,858 - Funato , et al. October 26, 1 | 1982-10-26 |
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Grant 4,325,601 - Funato April 20, 1 | 1982-04-20 |
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Holographic reading apparatus with an area identification and density reference scan
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