Takaaki Ikegami

Person

Susono, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 8,798,487
- Issue date Aug 5, 2014
- Ricoh Company, Ltd.
- Tomoharu Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image carrier deterioration degree evaluating device, image carrier...
- Patent number 8,472,818
- Issue date Jun 25, 2013
- Ricoh Company, Ltd.
- Jun Yamane
- 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 apparatus and image forming method
- Patent number 8,097,393
- Issue date Jan 17, 2012
- Ricoh Company, Ltd.
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and method of preparing the photo...
- Patent number 7,964,327
- Issue date Jun 21, 2011
- Ricoh Company Ltd.
- Masanobu Gondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image bearing member and image forming apparatus using the same
- Patent number 7,879,519
- Issue date Feb 1, 2011
- Ricoh Company Limited
- Naohiro Toda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic latent image bearing member, and image forming appara...
- Patent number 7,851,114
- Issue date Dec 14, 2010
- Ricoh Company Limited
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, image forming method, image form...
- Patent number 7,781,134
- Issue date Aug 24, 2010
- Ricoh Company, Ltd.
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming process, and process cartrid...
- Patent number 7,391,994
- Issue date Jun 24, 2008
- Ricoh Company, Ltd.
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoreceptor, image forming method and image forming apparatus usi...
- Patent number 7,381,511
- Issue date Jun 3, 2008
- Ricoh Company, Ltd.
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, electrophotographic process, el...
- Patent number 7,314,693
- Issue date Jan 1, 2008
- Ricoh Company, Ltd.
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and image forming method, image...
- Patent number 7,267,916
- Issue date Sep 11, 2007
- Ricoh Company, Ltd.
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, method for manufacturing the ele...
- Patent number 7,220,522
- Issue date May 22, 2007
- Ricoh Company Limited
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus used in electrostatic process
- Patent number 7,212,777
- Issue date May 1, 2007
- Ricoh Company, Ltd.
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and copier
- Patent number 7,177,583
- Issue date Feb 13, 2007
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and image forming method, image...
- Patent number 7,112,392
- Issue date Sep 26, 2006
- Ricoh Company, Ltd.
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and copier
- Patent number 7,031,650
- Issue date Apr 18, 2006
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, electrophotography method using...
- Patent number 7,018,755
- Issue date Mar 28, 2006
- Ricoh Company, Ltd.
- Takaaki Ikegami
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electrophotographic photoreceptor, and image forming method, image...
- Patent number 6,861,188
- Issue date Mar 1, 2005
- Ricoh Company Limited
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and copier
- Patent number 6,853,834
- Issue date Feb 8, 2005
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus using...
- Patent number 6,853,823
- Issue date Feb 8, 2005
- Ricoh Company Ltd.
- Akihiro Sugino
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electrophotographic image forming method and apparatus
- Patent number 6,824,939
- Issue date Nov 30, 2004
- Ricoh Company Limited
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus and process cartridge,...
- Patent number 6,777,149
- Issue date Aug 17, 2004
- Ricoh Company Limited
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor with polysiloxane mixture
- Patent number 6,030,736
- Issue date Feb 29, 2000
- Ricoh Company, Ltd.
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor containing a mixture of a phenol...
- Patent number 5,702,855
- Issue date Dec 30, 1997
- Ricoh Company, Ltd.
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor containing disazo and trisazo pi...
- Patent number 5,578,405
- Issue date Nov 26, 1996
- Ricoh Company
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEGRADATION LEVEL ESTIMATING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130011147
- Publication date Jan 10, 2013
- Michio KIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120183310
- Publication date Jul 19, 2012
- RICOH COMPANY, LTD.
- Tomoharu Asano
- 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 carrier deterioration degree evaluating device, image carrier...
- Publication number 20110170884
- Publication date Jul 14, 2011
- RICOH COMPANY, LIMITED
- Jun Yamane
- 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 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
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
IMAGE BEARING MEMBER AND IMAGE FORMING APPARATUS USING THE SAME
- Publication number 20080292981
- Publication date Nov 27, 2008
- Naohiro Toda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTO...
- Publication number 20070287083
- Publication date Dec 13, 2007
- Masanobu Gondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20070231733
- Publication date Oct 4, 2007
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC LATENT IMAGE BEARING MEMBER, AND IMAGE FORMING APPARA...
- Publication number 20070117033
- Publication date May 24, 2007
- Akihiro SUGINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrostatic latent image bearer, and image forming method, image...
- Publication number 20060199092
- Publication date Sep 7, 2006
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, image forming method, image form...
- Publication number 20060141378
- Publication date Jun 29, 2006
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and copier
- Publication number 20060056893
- Publication date Mar 16, 2006
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050201778
- Publication date Sep 15, 2005
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, image forming process, and process cartrid...
- Publication number 20050130050
- Publication date Jun 16, 2005
- Takeshi Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, electrophotographic process, el...
- Publication number 20050118518
- Publication date Jun 2, 2005
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and copier
- Publication number 20050105942
- Publication date May 19, 2005
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, and image forming method, image...
- Publication number 20050053853
- Publication date Mar 10, 2005
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, and electrophotographic image fo...
- Publication number 20050026058
- Publication date Feb 3, 2005
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Photoreceptor, image forming method and image forming apparatus usi...
- Publication number 20050008957
- Publication date Jan 13, 2005
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, method for manufacturing the ele...
- Publication number 20040180280
- Publication date Sep 16, 2004
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, and image forming method, image...
- Publication number 20040170911
- Publication date Sep 2, 2004
- Tomoyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, electrophotography method using...
- Publication number 20040126687
- Publication date Jul 1, 2004
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and copier
- Publication number 20040028435
- Publication date Feb 12, 2004
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and image forming apparatus using...
- Publication number 20030215726
- Publication date Nov 20, 2003
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image forming method and apparatus
- Publication number 20030206226
- Publication date Nov 6, 2003
- RICOH COMPANY LIMITED
- Eiji Kurimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, and image forming method, image...
- Publication number 20030194627
- Publication date Oct 16, 2003
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image forming apparatus and process cartridge,...
- Publication number 20030059693
- Publication date Mar 27, 2003
- Takaaki Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takaaki Ikegami

Person

Patents Grantslast 30 patents

Image forming apparatus

Image carrier deterioration degree evaluating device, image carrier...

Electrophotographic photoconductor, and electrophotographic method,...

Electrophotographic photoconductor

Electrophotographic photoconductor and electrophotographic apparatus

Image forming apparatus and image forming method

Electrophotographic photoreceptor and method of preparing the photo...

Image bearing member and image forming apparatus using the same

Electrostatic latent image bearing member, and image forming appara...

Electrophotographic photoreceptor, image forming method, image form...

Image forming apparatus, image forming process, and process cartrid...

Photoreceptor, image forming method and image forming apparatus usi...

Electrophotographic photoconductor, electrophotographic process, el...

Electrophotographic photoreceptor, and image forming method, image...

Electrophotographic photoreceptor, method for manufacturing the ele...

Image forming apparatus used in electrostatic process

Image forming apparatus and copier

Electrophotographic photoreceptor, and image forming method, image...

Image forming apparatus and copier

Electrophotographic photoconductor, electrophotography method using...

Electrophotographic photoreceptor, and image forming method, image...

Image forming apparatus and copier

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic image forming method and apparatus

Electrophotographic image forming apparatus and process cartridge,...

Electrophotographic photoconductor with polysiloxane mixture

Electrophotographic photoconductor containing a mixture of a phenol...

Electrophotographic photoconductor containing disazo and trisazo pi...

Patents Applicationslast 30 patents

DEGRADATION LEVEL ESTIMATING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

LUBRICANT AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING SAME

Image carrier deterioration degree evaluating device, image carrier...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND ELECTROPHOTOGRAPHIC METHOD,...

Electrophotographic Photoconductor

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND ELECTROPHOTOGRAPHIC APPARATUS

IMAGE BEARING MEMBER AND IMAGE FORMING APPARATUS USING THE SAME

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTO...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

ELECTROSTATIC LATENT IMAGE BEARING MEMBER, AND IMAGE FORMING APPARA...

Electrostatic latent image bearer, and image forming method, image...

Electrophotographic photoreceptor, image forming method, image form...

Image forming apparatus and copier

Image forming apparatus

Image forming apparatus, image forming process, and process cartrid...

Electrophotographic photoconductor, electrophotographic process, el...

Image forming apparatus and copier

Electrophotographic photoreceptor, and image forming method, image...

Electrophotographic photoreceptor, and electrophotographic image fo...

Photoreceptor, image forming method and image forming apparatus usi...

Electrophotographic photoreceptor, method for manufacturing the ele...

Electrophotographic photoreceptor, and image forming method, image...

Electrophotographic photoconductor, electrophotography method using...

Image forming apparatus and copier

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic image forming method and apparatus

Electrophotographic photoreceptor, and image forming method, image...

Electrophotographic image forming apparatus and process cartridge,...