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Yukio FUJIWARA
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Device registration apparatus and device registration method
Patent number
9,874,916
Issue date
Jan 23, 2018
Ricoh Company, Limited
Yukio Fujiwara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Arbitration device, arbitration method, and computer program product
Patent number
9,500,683
Issue date
Nov 22, 2016
Ricoh Company, Ltd.
Yukio Fujiwara
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Type determination apparatus, type determination method, and comput...
Patent number
9,207,268
Issue date
Dec 8, 2015
Ricoh Company, Limited
Yukio Fujiwara
G01 - MEASURING TESTING
Information
Patent Grant
Electrophotographic photoconductor, production method of the same,...
Patent number
8,795,935
Issue date
Aug 5, 2014
Ricoh Company, Ltd.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, and image forming method and app...
Patent number
8,669,030
Issue date
Mar 11, 2014
Ricoh Company, Limited
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, method of manufacturing electrop...
Patent number
8,597,863
Issue date
Dec 3, 2013
Ricoh Company, Ltd.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,543,037
Issue date
Sep 24, 2013
Ricoh Company, Ltd.
Kazuhiro Egawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, and image forming apparatus and...
Patent number
8,512,924
Issue date
Aug 20, 2013
Ricoh Company, Ltd.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, image forming apparatus and proc...
Patent number
8,420,284
Issue date
Apr 16, 2013
Ricoh Company, Ltd.
Kohichi Ohshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image bearing member, and method of manufa...
Patent number
8,351,823
Issue date
Jan 8, 2013
Ricoh Company, Ltd.
Shinji Nohsho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoreceptor, method of manufacturing same, image formation method...
Patent number
8,343,698
Issue date
Jan 1, 2013
Ricoh Company, Ltd.
Yoshiaki Kawasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photorecptor, method of manufacturing electroph...
Patent number
8,293,439
Issue date
Oct 23, 2012
Ricoh Company, Ltd.
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoreceptor, image formation method, image forming apparatus and...
Patent number
8,247,143
Issue date
Aug 21, 2012
Ricoh Company, Ltd.
Kazuhiro Egawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge
Patent number
8,170,449
Issue date
May 1, 2012
Ricoh Company Ltd.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image bearing member, process cartridge, image forming apparatus an...
Patent number
8,148,038
Issue date
Apr 3, 2012
Ricoh Company, Ltd.
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, and process cartridge and image...
Patent number
8,119,317
Issue date
Feb 21, 2012
Ricoh Company, Ltd.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, electrophotographic process car...
Patent number
8,084,170
Issue date
Dec 27, 2011
Ricoh Company, Ltd.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image bearing member, image forming apparatus and process cartridge
Patent number
8,043,773
Issue date
Oct 25, 2011
Ricoh Company, Limited
Hiroshi Ikuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, process cartridge, and image fo...
Patent number
8,043,777
Issue date
Oct 25, 2011
Ricoh Company, Ltd.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image bearing member, image forming method, and image forming appar...
Patent number
7,914,959
Issue date
Mar 29, 2011
Ricoh Company, Limited
Yoshinori Inaba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image bearing member, and image forming apparatus and process cartr...
Patent number
7,718,335
Issue date
May 18, 2010
Ricoh Company Limited
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
POSITIONING SYSTEM AND PROGRAM
Publication number
20170322286
Publication date
Nov 9, 2017
RICOH COMPANY, LTD.
Fumio YOSHIZAWA
G01 - MEASURING TESTING
Information
Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND C...
Publication number
20160290806
Publication date
Oct 6, 2016
Keisuke KONISHI
G01 - MEASURING TESTING
Information
Patent Application
DIRECTION ESTIMATING DEVICE, DIRECTION ESTIMATING SYSTEM, AND METHO...
Publication number
20160273920
Publication date
Sep 22, 2016
Yusuke MATSUSHITA
G01 - MEASURING TESTING
Information
Patent Application
DEVICE REGISTRATION APPARATUS AND DEVICE REGISTRATION METHOD
Publication number
20160162000
Publication date
Jun 9, 2016
Yukio FUJIWARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ARBITRATION DEVICE, ARBITRATION METHOD, AND COMPUTER PROGRAM PRODUCT
Publication number
20140266153
Publication date
Sep 18, 2014
Yukio FUJIWARA
G01 - MEASURING TESTING
Information
Patent Application
ENVIRONMENT CONTROL SYSTEM, METHOD FOR PERFORMING THE SAME AND COMP...
Publication number
20140114493
Publication date
Apr 24, 2014
Takeo TSUKAMOTO
G05 - CONTROLLING REGULATING
Information
Patent Application
TYPE DETERMINATION APPARATUS, TYPE DETERMINATION METHOD, AND COMPUT...
Publication number
20140070790
Publication date
Mar 13, 2014
Yukio FUJIWARA
G01 - MEASURING TESTING
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PRODUCTION METHOD OF THE SAME,...
Publication number
20120008984
Publication date
Jan 12, 2012
RICOH COMPANY LTD.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAGE FORMING APPARATUS AND...
Publication number
20110200924
Publication date
Aug 18, 2011
RICOH COMPANY, LTD.,
Hidetoshi KAMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE BEARING MEMBER, AND METHOD OF MANUFA...
Publication number
20100329741
Publication date
Dec 30, 2010
Shinji NOHSHO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD OF MANUFACTURING ELECTROP...
Publication number
20100316423
Publication date
Dec 16, 2010
RICOH COMPANY, LTD.
Hidetoshi KAMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic Photorecptor, Method Of Manufacturing Electroph...
Publication number
20100232831
Publication date
Sep 16, 2010
RICOH COMPANY, LTD.
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Photoreceptor, Method Of Manufacturing Same, Image Formation Method...
Publication number
20100227264
Publication date
Sep 9, 2010
RICOH COMPANY, LTD.
Yoshiaki KAWASAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROC...
Publication number
20100172670
Publication date
Jul 8, 2010
RICOH COMPANY, LTD.
Kohichi OHSHIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20100124712
Publication date
May 20, 2010
RICOH COMPANY, LTD.
Kazuhiro EGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTORECEPTOR, IMAGE FORMATION METHOD, IMAGE FORMING APPARATUS AND...
Publication number
20100119260
Publication date
May 13, 2010
RICOH COMPANY, LTD.
Kazuhiro EGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE BEARING MEMBER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AN...
Publication number
20090148180
Publication date
Jun 11, 2009
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PROCESS CARTRIDGE, AND IMAGE FO...
Publication number
20090067891
Publication date
Mar 12, 2009
RICOH COMPANY, LTD.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND PROCESS CARTRIDGE AND IMAGE...
Publication number
20080311499
Publication date
Dec 18, 2008
RICOH COMPANY, LTD.
Hidetoshi KAMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PROCESS CAR...
Publication number
20080227008
Publication date
Sep 18, 2008
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PROCESS CAR...
Publication number
20080199217
Publication date
Aug 21, 2008
Takafumi IWAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE BEARING MEMBER, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20080153021
Publication date
Jun 26, 2008
Hiroshi Ikuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor, and image forming method and app...
Publication number
20080138725
Publication date
Jun 12, 2008
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20080085459
Publication date
Apr 10, 2008
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAGE FORMING APPARATUS AND...
Publication number
20070212626
Publication date
Sep 13, 2007
Tetsuya Toshine
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE BEARING MEMBER, AND IMAGE FORMING APPARATUS AND PROCESS CARTR...
Publication number
20070196750
Publication date
Aug 23, 2007
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE BEARING MEMBER, IMAGE FORMING METHOD, AND IMAGE FORMING APPAR...
Publication number
20070196749
Publication date
Aug 23, 2007
Yoshinori Inaba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoconductor, process cartridge, and image fo...
Publication number
20070031746
Publication date
Feb 8, 2007
Tetsuya Toshine
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY