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Yoshiaki KAWAI
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Driverless vehicle, and apparatus, system, and method of vehicle co...
Patent number
9,964,958
Issue date
May 8, 2018
Ricoh Company, Ltd.
Ryohta Morimoto
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Image forming apparatus, image forming method, and computer program...
Patent number
8,488,203
Issue date
Jul 16, 2013
Ricoh Company, Limited
Makoto Higashiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for image forming and computer program product
Patent number
8,320,024
Issue date
Nov 27, 2012
Ricoh Company, Limited
Yoshiaki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image correcting device, image forming apparatus, and image correct...
Patent number
7,843,604
Issue date
Nov 30, 2010
Ricoh Company, Limited
Makoto Higashiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for color image forming capable of effectively...
Patent number
7,770,998
Issue date
Aug 10, 2010
Ricoh Co., Ltd.
Tadashi Shinohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Synchronization signal generator and image forming apparatus
Patent number
7,528,995
Issue date
May 5, 2009
Ricoh Company, Ltd.
Yoshiaki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming device, image formation operation correcting method,...
Patent number
7,493,072
Issue date
Feb 17, 2009
Ricoh Company, Ltd.
Kazuyuki Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method, program and computer...
Patent number
7,466,472
Issue date
Dec 16, 2008
Ricoh Company, Ltd.
Yoshiaki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for image reading capable of detecting dust th...
Patent number
6,292,269
Issue date
Sep 18, 2001
Ricoh Company, Ltd.
Yoshiaki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image reading apparatus with adjustment of offset/gain of image signal
Patent number
6,034,789
Issue date
Mar 7, 2000
Ricoh Company, Ltd.
Yoshiaki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
DRIVERLESS VEHICLE, AND APPARATUS, SYSTEM, AND METHOD OF VEHICLE CO...
Publication number
20170192438
Publication date
Jul 6, 2017
RICOH COMPANY, LTD.
Ryohta Morimoto
B60 - VEHICLES IN GENERAL
Information
Patent Application
ABNORMAL NOISE OPERATION CONTROL DEVICE, IMAGE FORMING APPARATUS, A...
Publication number
20160112602
Publication date
Apr 21, 2016
RICOH COMPANY, LTD.
Yoshiaki KAWAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...
Publication number
20100253981
Publication date
Oct 7, 2010
Makoto HIGASHIYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR IMAGE FORMING AND COMPUTER PROGRAM PRODUCT
Publication number
20090231606
Publication date
Sep 17, 2009
Yoshiaki KAWAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image correcting device, image forming apparatus, and image correct...
Publication number
20080174799
Publication date
Jul 24, 2008
Ricoh Company, Limited
Makoto Higashiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS FOR COLOR IMAGE FORMING CAPABLE OF EFFECTIVELY...
Publication number
20070140721
Publication date
Jun 21, 2007
Tadashi SHINOHARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING DEVICE, IMAGE FORMATION OPERATION CORRECTING METHOD,...
Publication number
20070122210
Publication date
May 31, 2007
Kazuyuki Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, image forming method, program and computer...
Publication number
20060181753
Publication date
Aug 17, 2006
Yoshiaki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Synchronization signal generator and image forming apparatus
Publication number
20050275713
Publication date
Dec 15, 2005
Yoshiaki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE