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Takehiro Nakajima
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Image forming apparatus, image forming method, and non-transitory r...
Patent number
11,729,341
Issue date
Aug 15, 2023
Ricoh Company, Ltd.
Takehiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming device, density correction method, and non-transitory...
Patent number
8,928,942
Issue date
Jan 6, 2015
Ricoh Company, Ltd.
Takehiro Nakajima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus and density correction method
Patent number
8,861,036
Issue date
Oct 14, 2014
Ricoh Company, Ltd.
Takehiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus, image forming method, and program
Patent number
8,705,123
Issue date
Apr 22, 2014
Ricoh Company, Limited
Takehiro Nakajima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image processing apparatus and color conversion table generating me...
Patent number
8,638,474
Issue date
Jan 28, 2014
Ricoh Company Limited
Takehiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing system, apparatus and method for updating a printe...
Patent number
7,403,305
Issue date
Jul 22, 2008
Ricoh Company, Ltd.
Takehiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND NON-TRANSITORY R...
Publication number
20230035041
Publication date
Feb 2, 2023
Takehiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING DEVICE, DENSITY CORRECTION METHOD, AND NON-TRANSISTOR...
Publication number
20140253930
Publication date
Sep 11, 2014
RICOH COMPANY, LTD.
Takehiro Nakajima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE FORMING APPARATUS AND DENSITY CORRECTION METHOD
Publication number
20130242349
Publication date
Sep 19, 2013
RICOH COMPANY, LTD.
Takehiro NAKAJIMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE PROCESSING APPARATUS AND COLOR CONVERSION TABLE GENERATING ME...
Publication number
20120307270
Publication date
Dec 6, 2012
RICOH COMPANY, LIMITED
Takehiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image forming apparatus, imgae forming method, and program
Publication number
20120069358
Publication date
Mar 22, 2012
RICOH COMPANY, LIMITED
Takehiro Nakajima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE PROCESSING APPARATUS AND METHOD FOR GENERATING COLOR CONVERSI...
Publication number
20100310160
Publication date
Dec 9, 2010
Takehiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image processing apparatus, image processing method, and computer p...
Publication number
20090185205
Publication date
Jul 23, 2009
Ricoh Company, Limited
Takehiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of and apparatus for image processing, image processing syst...
Publication number
20040114165
Publication date
Jun 17, 2004
Takehiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE