Keisuke Shimoyama

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming method, image forming apparatus, and process cartridge
- Patent number 10,845,738
- Issue date Nov 24, 2020
- Ricoh Company, Ltd.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method, image forming apparatus, and process cartridge
- Patent number 10,416,594
- Issue date Sep 17, 2019
- Ricoh Company, Ltd.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor, image forming apparatus, and process cartridge
- Patent number 10,114,302
- Issue date Oct 30, 2018
- Ricoh Company, Ltd.
- Ryohta Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor, image forming method using the same, method of manu...
- Patent number 9,989,868
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor, and image forming method and image forming apparatu...
- Patent number 9,740,116
- Issue date Aug 22, 2017
- Ricoh Company, Ltd.
- Nobutaka Eguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductor, and image forming method and image forming apparatu...
- Patent number 9,523,930
- Issue date Dec 20, 2016
- Ricoh Company, Ltd.
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoreceptor, method for preparing photoreceptor, and image formin...
- Patent number 9,146,483
- Issue date Sep 29, 2015
- Ricoh Company, Ltd.
- Mitsuaki Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 9,031,491
- Issue date May 12, 2015
- Ricoh Company, Ltd.
- Tomoharu Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image bearing member and image forming method, image forming appara...
- Patent number 8,652,717
- Issue date Feb 18, 2014
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,588,630
- Issue date Nov 19, 2013
- Ricoh Company, Ltd.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,383,305
- Issue date Feb 26, 2013
- Ricoh Company, Ltd.
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 8,380,109
- Issue date Feb 19, 2013
- Ricoh Company, Ltd.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and electrophotographic method,...
- Patent number 8,349,529
- Issue date Jan 8, 2013
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor
- Patent number 8,278,016
- Issue date Oct 2, 2012
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and electrophotographic apparatus
- Patent number 8,263,297
- Issue date Sep 11, 2012
- Ricoh Company, Ltd.
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and image forming apparatus
- Patent number 8,252,499
- Issue date Aug 28, 2012
- Ricoh Company, Ltd.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Naphthalenetetracarboxylic acid diimide derivative and electrophoto...
- Patent number 8,232,031
- Issue date Jul 31, 2012
- Ricoh Company, Ltd.
- Masafumi Ohta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic photoconductor, image forming apparatus, image...
- Patent number 8,227,156
- Issue date Jul 24, 2012
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, image forming apparatus, and pr...
- Patent number 8,192,905
- Issue date Jun 5, 2012
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and image forming apparatus and...
- Patent number 8,114,559
- Issue date Feb 14, 2012
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus and process cartridge
- Patent number 8,064,795
- Issue date Nov 22, 2011
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,059,990
- Issue date Nov 15, 2011
- Ricoh Company, Ltd.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and image forming apparatus, pr...
- Patent number 8,007,972
- Issue date Aug 30, 2011
- Ricoh Company, Ltd.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, image forming apparatus and proc...
- Patent number 7,919,220
- Issue date Apr 5, 2011
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor having charge blocking and moire...
- Patent number 7,871,747
- Issue date Jan 18, 2011
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus and process cartridge
- Patent number 7,747,197
- Issue date Jun 29, 2010
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus, process cartridge and...
- Patent number 7,486,914
- Issue date Feb 3, 2009
- Ricoh Company, Ltd.
- Toshiyuki Kabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge, image forming method, and image forming apparatus
- Patent number 7,274,898
- Issue date Sep 25, 2007
- Ricoh Company, Ltd.
- Shinji Nousho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
LAMINATE, DEVICE USING THE SAME, AND PRODUCTION METHODS THEREOF
- Publication number 20230324819
- Publication date Oct 12, 2023
- Hidetoshi KAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20200004179
- Publication date Jan 2, 2020
- Hidetoshi Kami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20180113403
- Publication date Apr 26, 2018
- Hidetoshi Kami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20170343908
- Publication date Nov 30, 2017
- Ryohta TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOCONDUCTOR, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATU...
- Publication number 20160274475
- Publication date Sep 22, 2016
- Nobutaka EGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOCONDUCTOR, IMAGE FORMING METHOD USING THE SAME, METHOD OF MANU...
- Publication number 20150346613
- Publication date Dec 3, 2015
- Hidetoshi KAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOCONDUCTOR, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATU...
- Publication number 20150227063
- Publication date Aug 13, 2015
- Hidetoshi KAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20140234763
- Publication date Aug 21, 2014
- Akihiro SUGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTORECEPTOR, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAG...
- Publication number 20130330104
- Publication date Dec 12, 2013
- RICOH COMPANY, LTD.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20130251401
- Publication date Sep 26, 2013
- RICOH COMPANY, LTD.
- Tomoharu Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTORECEPTOR, METHOD FOR PREPARING PHOTORECEPTOR, AND IMAGE FORMIN...
- Publication number 20130243483
- Publication date Sep 19, 2013
- Mitsuaki HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTORECEPTOR, COATING LIQUID FOR FORMING OUTERMOST LAYER OF PHOTOR...
- Publication number 20130059243
- Publication date Mar 7, 2013
- Mitsuaki Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING METHOD AND APPARAT...
- Publication number 20130022902
- Publication date Jan 24, 2013
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120183313
- Publication date Jul 19, 2012
- RICOH COMPANY, LTD.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE BEARING MEMBER AND IMAGE FORMING METHOD, IMAGE FORMING APPARA...
- Publication number 20120163860
- Publication date Jun 28, 2012
- RICOH COMPANY, LTD.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING SAME
- Publication number 20110286777
- Publication date Nov 24, 2011
- Akihiro SUGINO
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
- Publication number 20110183255
- Publication date Jul 28, 2011
- Eiji KURIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, IMAGE...
- Publication number 20110111335
- Publication date May 12, 2011
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110020740
- Publication date Jan 27, 2011
- Akihiro SUGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND ELECTROPHOTOGRAPHIC METHOD,...
- Publication number 20100290807
- Publication date Nov 18, 2010
- Keisuke SHIMOYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20100260515
- Publication date Oct 14, 2010
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic Photoconductor
- Publication number 20100233602
- Publication date Sep 16, 2010
- RICOH COMPANY, LTD.
- Kohsuke Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR
- Publication number 20090311616
- Publication date Dec 17, 2009
- Keisuke SHIMOYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and process cartridge
- Publication number 20090180804
- Publication date Jul 16, 2009
- Ricoh Company, Ltd.
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20090136260
- Publication date May 28, 2009
- Ricoh Company, Ltd,
- Takaaki IKEGAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NAPHTHALENETETRACARBOXYLIC ACID DIIMIDE DERIVATIVE AND ELECTROPHOTO...
- Publication number 20090068577
- Publication date Mar 12, 2009
- RICOH COMPANY, LTD.
- Masafumi OHTA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
- Publication number 20080305426
- Publication date Dec 11, 2008
- Eiji KURIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, and image forming apparatus and...
- Publication number 20080280221
- Publication date Nov 13, 2008
- Ricoh Company, Ltd.
- Keisuke Shimoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROC...
- Publication number 20080113286
- Publication date May 15, 2008
- Keisuke SHIMOYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20070264047
- Publication date Nov 15, 2007
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Keisuke Shimoyama

Person

Patents Grantslast 30 patents

Image forming method, image forming apparatus, and process cartridge

Image forming method, image forming apparatus, and process cartridge

Photoconductor, image forming apparatus, and process cartridge

Photoconductor, image forming method using the same, method of manu...

Photoconductor, and image forming method and image forming apparatu...

Photoconductor, and image forming method and image forming apparatu...

Photoreceptor, method for preparing photoreceptor, and image formin...

Image forming apparatus and process cartridge

Image bearing member and image forming method, image forming appara...

Image forming apparatus

Image forming apparatus

Image forming apparatus and process cartridge

Electrophotographic photoconductor, and electrophotographic method,...

Electrophotographic photoconductor

Electrophotographic photoconductor and electrophotographic apparatus

Image forming method and image forming apparatus

Naphthalenetetracarboxylic acid diimide derivative and electrophoto...

Electrophotographic photoconductor, image forming apparatus, image...

Electrophotographic photoconductor, image forming apparatus, and pr...

Electrophotographic photoreceptor, and image forming apparatus and...

Electrophotographic image forming apparatus and process cartridge

Image forming apparatus

Electrophotographic photoconductor, and image forming apparatus, pr...

Electrophotographic photoreceptor, image forming apparatus and proc...

Electrophotographic photoconductor having charge blocking and moire...

Electrophotographic image forming apparatus and process cartridge

Electrophotographic image forming apparatus, process cartridge and...

Process cartridge, image forming method, and image forming apparatus

Patents Applicationslast 30 patents

LAMINATE, DEVICE USING THE SAME, AND PRODUCTION METHODS THEREOF

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

PHOTOCONDUCTOR, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATU...

PHOTOCONDUCTOR, IMAGE FORMING METHOD USING THE SAME, METHOD OF MANU...

PHOTOCONDUCTOR, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATU...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

PHOTORECEPTOR, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAG...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

PHOTORECEPTOR, METHOD FOR PREPARING PHOTORECEPTOR, AND IMAGE FORMIN...

PHOTORECEPTOR, COATING LIQUID FOR FORMING OUTERMOST LAYER OF PHOTOR...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING METHOD AND APPARAT...

IMAGE FORMING APPARATUS

IMAGE BEARING MEMBER AND IMAGE FORMING METHOD, IMAGE FORMING APPARA...

LUBRICANT AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING SAME

IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, IMAGE...

IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND ELECTROPHOTOGRAPHIC METHOD,...

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

Electrophotographic Photoconductor

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR

Image forming apparatus and process cartridge

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND ELECTROPHOTOGRAPHIC APPARATUS

NAPHTHALENETETRACARBOXYLIC ACID DIIMIDE DERIVATIVE AND ELECTROPHOTO...

IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS

Electrophotographic photoreceptor, and image forming apparatus and...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROC...

IMAGE FORMING APPARATUS