Junichi Kitabayashi

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light irradiation device, and image display equipped with the same,...
- Patent number 10,073,333
- Issue date Sep 11, 2018
- Ricoh Company, Ltd.
- Takehiro Nishimori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source unit, optical detector unit, optical pickup device, an...
- Patent number 8,174,952
- Issue date May 8, 2012
- Ricoh Company, Ltd.
- Junichi Kitabayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Tilt sensor using diffraction grating
- Patent number 7,577,076
- Issue date Aug 18, 2009
- Ricoh Company, Ltd.
- Tetsuya Ogata
- G11 - INFORMATION STORAGE
Information Patent Grant
Diffraction grating, light source unit applying the same therein, a...
- Patent number 7,164,532
- Issue date Jan 16, 2007
- Ricoh Company, Ltd.
- Hiroyoshi Funato
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up system with improved light-convergence construction
- Patent number 5,487,058
- Issue date Jan 23, 1996
- Ricoh Company, Ltd.
- Junichi Kitabayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus error signal detection device with separating prism
- Patent number 5,281,802
- Issue date Jan 25, 1994
- Ricoh Company, Ltd.
- Junichi Kitabayashi
- G02 - OPTICS
Information Patent Grant
Optical pick-up for use with an opto-magnetic signal
- Patent number 5,278,817
- Issue date Jan 11, 1994
- Ricoh Company, Ltd.
- Hideo Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Parallel image processing apparatus using edge detection layer
- Patent number 5,144,684
- Issue date Sep 1, 1992
- Ricoh Company, Ltd.
- Toshio Inada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optomagnetic recording/reproducing apparatus
- Patent number 5,115,423
- Issue date May 19, 1992
- Ricoh Company, Ltd.
- Hideo Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus
- Patent number 5,101,389
- Issue date Mar 31, 1992
- Ricoh Company, Ltd.
- Shigeru Ohuchida
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information reading and writing device with diffraction means
- Patent number 5,015,835
- Issue date May 14, 1991
- Ricoh Company, Ltd.
- Shigeru Ohuchida
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of and apparatus for measuring the shape of a wavefront
- Patent number 4,744,659
- Issue date May 17, 1988
- Ricoh Company, Ltd.
- Junichi Kitabayashi
- G01 - MEASURING TESTING
Information Patent Grant
Device for optically measuring aspheric surface
- Patent number 4,743,117
- Issue date May 10, 1988
- Ricoh Company, Ltd.
- Junichi Kitabayashi
- G01 - MEASURING TESTING
Information Patent Grant
Method of detecting origin of shear and measuring amount of shear i...
- Patent number 4,743,118
- Issue date May 10, 1988
- Ricoh Company, Ltd.
- Keishin Tsuchiya
- G01 - MEASURING TESTING
Information Patent Grant
Focusing method for interferometer
- Patent number 4,653,923
- Issue date Mar 31, 1987
- Ricoh Company, Ltd.
- Junichi Kitabayashi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
LIGHT IRRADIATION DEVICE AND IMAGE DISPLAY APPARATUS EQUIPPED WITH...
- Publication number 20160349606
- Publication date Dec 1, 2016
- RICOH COMPANY, LTD.
- Takehiro NISHIMORI
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE UNIT, OPTICAL DETECTOR UNIT, OPTICAL PICKUP DEVICE, AN...
- Publication number 20090046562
- Publication date Feb 19, 2009
- Junichi Kitabayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head, optical disc apparatus including the optical head, an...
- Publication number 20080205244
- Publication date Aug 28, 2008
- Junichi Kitabayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup apparatus and an optical disc drive apparatus equipp...
- Publication number 20050201248
- Publication date Sep 15, 2005
- Junichi Kitabayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Tilt sensor using diffraction grating
- Publication number 20040213109
- Publication date Oct 28, 2004
- Tetsuya Ogata
- G11 - INFORMATION STORAGE
Information Patent Application
Diffraction grating, light source unit applying the same therein, a...
- Publication number 20040013076
- Publication date Jan 22, 2004
- Hiroyoshi Funato
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup device and optical disk drive using the same
- Publication number 20030214898
- Publication date Nov 20, 2003
- Tetsuya Ogata
- G11 - INFORMATION STORAGE

Junichi Kitabayashi

Person

Patents Grantslast 30 patents

Light irradiation device, and image display equipped with the same,...

Light source unit, optical detector unit, optical pickup device, an...

Tilt sensor using diffraction grating

Diffraction grating, light source unit applying the same therein, a...

Optical pick-up system with improved light-convergence construction

Focus error signal detection device with separating prism

Optical pick-up for use with an opto-magnetic signal

Parallel image processing apparatus using edge detection layer

Optomagnetic recording/reproducing apparatus

Optical information recording/reproducing apparatus

Optical information reading and writing device with diffraction means

Method of and apparatus for measuring the shape of a wavefront

Device for optically measuring aspheric surface

Method of detecting origin of shear and measuring amount of shear i...

Focusing method for interferometer

Patents Applicationslast 30 patents

LIGHT IRRADIATION DEVICE AND IMAGE DISPLAY APPARATUS EQUIPPED WITH...

LIGHT SOURCE UNIT, OPTICAL DETECTOR UNIT, OPTICAL PICKUP DEVICE, AN...

Optical head, optical disc apparatus including the optical head, an...

Optical pickup apparatus and an optical disc drive apparatus equipp...

Tilt sensor using diffraction grating

Diffraction grating, light source unit applying the same therein, a...

Optical pickup device and optical disk drive using the same