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Toshiharu Murai
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light source device and projector including a phosphor and a color-...
Patent number
11,402,737
Issue date
Aug 2, 2022
Ricoh Company, Ltd.
Ikuo Maeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device that emits a plurality of color lights includin...
Patent number
10,627,711
Issue date
Apr 21, 2020
Ricoh Company, Ltd.
Ikuo Maeda
F21 - LIGHTING
Information
Patent Grant
Light source device including a light source section to adjust brig...
Patent number
10,191,361
Issue date
Jan 29, 2019
Ricoh Company, Ltd.
Ikuo Maeda
G02 - OPTICS
Information
Patent Grant
Light source device including a magnetic or capacitance detecting s...
Patent number
10,175,567
Issue date
Jan 8, 2019
Ricoh Company, Ltd.
Takehiro Nishimori
F21 - LIGHTING
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 device and projector using the same
Patent number
9,880,454
Issue date
Jan 30, 2018
Ricoh Company, Ltd.
Tatsuya Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Illumination apparatus, pattern irradiation device, and system
Patent number
9,863,759
Issue date
Jan 9, 2018
Ricoh Company, Ltd.
Tatsuya Takahashi
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Light source device and image projector including the same
Patent number
9,746,755
Issue date
Aug 29, 2017
Ricoh Company, Ltd.
Takehiro Nishimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device and projector using the same
Patent number
9,726,966
Issue date
Aug 8, 2017
Ricoh Company, Ltd.
Ikuo Maeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Illumination device including a wavelength converter
Patent number
9,594,296
Issue date
Mar 14, 2017
Ricoh Company, Ltd.
Kazuhiro Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source unit and image projection apparatus including light so...
Patent number
9,557,631
Issue date
Jan 31, 2017
Ricoh Company, Ltd.
Takehiro Nishimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device, and image projection apparatus employing light...
Patent number
9,544,554
Issue date
Jan 10, 2017
Ricoh Company, Ltd.
Toshiharu Murai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device including passage forming member and image proj...
Patent number
9,442,352
Issue date
Sep 13, 2016
Ricoh Company, Ltd.
Takehiro Nishimori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Illumination light source device including a reflecting-transmittin...
Patent number
9,400,416
Issue date
Jul 26, 2016
Ricoh Company, Ltd.
Tatsuya Takahashi
F21 - LIGHTING
Information
Patent Grant
Light source unit and projector incorporating the same
Patent number
9,348,200
Issue date
May 24, 2016
Ricoh Company, Ltd.
Tatsuya Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light deflector, light source device, image projecting device, and...
Patent number
9,279,566
Issue date
Mar 8, 2016
Ricoh Company, Ltd.
Takehiro Nishimori
F21 - LIGHTING
Information
Patent Grant
Light source unit and image projection apparatus including light so...
Patent number
9,250,504
Issue date
Feb 2, 2016
Ricoh Company, Ltd.
Takehiro Nishimori
F21 - LIGHTING
Information
Patent Grant
Illumination light beam forming device, illumination light source d...
Patent number
9,223,194
Issue date
Dec 29, 2015
Ricoh Company, Ltd.
Kazuhiro Fujita
F21 - LIGHTING
Information
Patent Grant
Light source device and projection device including the light sourc...
Patent number
9,155,161
Issue date
Oct 6, 2015
Ricoh Company, Ltd.
Toshiharu Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Illumination light source system, projector having the same, and me...
Patent number
9,131,165
Issue date
Sep 8, 2015
Ricoh Company, Ltd.
Tatsuya Takahashi
F21 - LIGHTING
Information
Patent Grant
Illumination light generation apparatus
Patent number
9,121,570
Issue date
Sep 1, 2015
Ricoh Company, Ltd.
Takehiro Nishimori
F21 - LIGHTING
Information
Patent Grant
Light source device and projection display apparatus
Patent number
9,022,577
Issue date
May 5, 2015
Ricoh Company, Limited
Toshiharu Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus and image display apparatus
Patent number
8,223,171
Issue date
Jul 17, 2012
Ricoh Company, Ltd.
Kenji Namie
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image display device and image projection device
Patent number
7,857,458
Issue date
Dec 28, 2010
Ricoh Company, Ltd.
Kazuhiro Fujita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus, image display apparatus, image processi...
Patent number
7,787,001
Issue date
Aug 31, 2010
Ricoh Company, Limited
Kenji Namie
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image display apparatus and alternative current drive method
Patent number
7,733,317
Issue date
Jun 8, 2010
Ricoh Company, Ltd.
Toshiharu Murai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Light path shift device and image display device
Patent number
7,564,508
Issue date
Jul 21, 2009
Ricoh Company, Ltd.
Hiroyuki Sugimoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Converting the resolution of an image using interpolation and displ...
Patent number
7,551,805
Issue date
Jun 23, 2009
Ricoh Company, Ltd.
Kenji Namie
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical device, display device, and three-dimension image display d...
Patent number
7,495,831
Issue date
Feb 24, 2009
Ricoh Company, Ltd.
Toshiaki Tokita
G02 - OPTICS
Information
Patent Grant
Manuscript document detecting system and method
Patent number
6,310,965
Issue date
Oct 30, 2001
Ricoh Company, Ltd.
Toshiharu Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR USING THE SAME
Publication number
20200201158
Publication date
Jun 25, 2020
Ikuo MAEDA
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR USING THE SAME
Publication number
20190129288
Publication date
May 2, 2019
Ikuo MAEDA
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR USING THE SAME
Publication number
20170299953
Publication date
Oct 19, 2017
Ikuo MAEDA
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND IMAGE PROJECTION APPARATUS HAVING LIGHT SOU...
Publication number
20160377969
Publication date
Dec 29, 2016
RICOH COMPANY, LTD.
Takehiro NISHIMORI
F21 - LIGHTING
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
ILLUMINATION LIGHT SOURCE DEVICE INCLUDING A REFLECTING-TRANSMITTIN...
Publication number
20160320692
Publication date
Nov 3, 2016
Tatsuya TAKAHASHI
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR USING THE SAME
Publication number
20160223892
Publication date
Aug 4, 2016
Ricoh Company, Ltd.
Tatsuya TAKAHASHI
F21 - LIGHTING
Information
Patent Application
ILLUMINATION APPARATUS, PATTERN IRRADIATION DEVICE, AND SYSTEM
Publication number
20160109221
Publication date
Apr 21, 2016
Tatsuya TAKAHASHI
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
LIGHT SOURCE DEVICE AND IMAGE PROJECTOR INCLUDING THE SAME
Publication number
20160103387
Publication date
Apr 14, 2016
RICOH COMPANY, LTD.
Takehiro NISHIMORI
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR USING THE SAME
Publication number
20150316840
Publication date
Nov 5, 2015
Ricoh Company, Ltd.
Ikuo MAEDA
F21 - LIGHTING
Information
Patent Application
ILLUMINATION DEVICE, PROJECTOR, AND ILLUMINATION METHOD
Publication number
20150253653
Publication date
Sep 10, 2015
Kazuhiro Fujita
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE APPARATUS AND IMAGE PROJECTION APPARATUS
Publication number
20150131062
Publication date
May 14, 2015
RICOH COMPANY, LTD.
Takehiro NISHIMORI
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE, AND IMAGE PROJECTION APPARATUS EMPLOYING LIGHT...
Publication number
20150109584
Publication date
Apr 23, 2015
RICOH COMPANY, LTD.
Toshiharu MURAI
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE DEVICE AND IMAGE PROJECTING APPARATUS HAVING THE SAME
Publication number
20150042963
Publication date
Feb 12, 2015
RICOH COMPANY, LTD.
Takehiro NISHIMORI
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE UNIT AND PROJECTOR INCORPORATING THE SAME
Publication number
20140268069
Publication date
Sep 18, 2014
Tatsuya TAKAHASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT SOURCE UNIT AND IMAGE PROJECTION APPARATUS INCLUDING LIGHT SO...
Publication number
20140240679
Publication date
Aug 28, 2014
RICOH COMPANY, LTD.
Takehiro NISHIMORI
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE UNIT AND IMAGE PROJECTION APPARATUS INCLUDING LIGHT SO...
Publication number
20140240680
Publication date
Aug 28, 2014
Ricoh Company, Ltd.
Takehiro NISHIMORI
F21 - LIGHTING
Information
Patent Application
ILLUMINATION LIGHT SOURCE DEVICE, PROJECTION DEVICE INCLUDING THE I...
Publication number
20140071407
Publication date
Mar 13, 2014
Tatsuya Takahashi
F21 - LIGHTING
Information
Patent Application
ILLUMINATION LIGHT SOURCE SYSTEM, PROJECTOR HAVING THE SAME, AND ME...
Publication number
20140071408
Publication date
Mar 13, 2014
Tatsuya TAKAHASHI
G02 - OPTICS
Information
Patent Application
LIGHT DEFLECTOR, LIGHT SOURCE DEVICE, IMAGE PROJECTING DEVICE, AND...
Publication number
20140036241
Publication date
Feb 6, 2014
RICOH COMPANY, LTD.
Takehiro NISHIMORI
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE APPARATUS AND IMAGE PROJECTION APPARATUS
Publication number
20130308104
Publication date
Nov 21, 2013
Takehiro NISHIMORI
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTION DEVICE INCLUDING THE LIGHT SOURC...
Publication number
20130201408
Publication date
Aug 8, 2013
Toshiharu MURAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTION DISPLAY APPARATUS
Publication number
20130107230
Publication date
May 2, 2013
Toshiharu MURAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE UNIT, ILLUMINATION DEVICE, AND PROJECTION DISPLAY APPA...
Publication number
20120044465
Publication date
Feb 23, 2012
Toshiharu MURAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image Display Device and Image Projection Device
Publication number
20080151356
Publication date
Jun 26, 2008
RICOH COMPANY, LTD.
Kazuhiro Fujita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE DISPLAY APPARATUS
Publication number
20080068505
Publication date
Mar 20, 2008
Kenji Namie
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image Processing Apparatus, Image Display Apparatus, Image Processi...
Publication number
20080030527
Publication date
Feb 7, 2008
Kenji Namie
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Light path shift device and image display device
Publication number
20060209295
Publication date
Sep 21, 2006
Hiroyuki Sugimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical device, display device, and three-dimension image display d...
Publication number
20060039068
Publication date
Feb 23, 2006
Toshiaki Tokita
G02 - OPTICS
Information
Patent Application
Converting the resolution of an image using interpolation and displ...
Publication number
20060013499
Publication date
Jan 19, 2006
Kenji Namie
G06 - COMPUTING CALCULATING COUNTING