Yoshiaki Kawasaki

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoreceptor, and method for producing electro...
- Patent number 8,980,512
- Issue date Mar 17, 2015
- Ricoh Company, Ltd.
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, method for preparing the electro...
- Patent number 8,927,183
- Issue date Jan 6, 2015
- Ricoh Company, Ltd.
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image bearing member
- Patent number 8,481,234
- Issue date Jul 9, 2013
- Ricoh Company, Ltd.
- Hongguo Li
- 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
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
Image forming apparatus, image forming method, and process cartridge
- Patent number 8,335,456
- Issue date Dec 18, 2012
- Ricoh Company, Ltd.
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, production method thereof, imag...
- Patent number 8,197,997
- Issue date Jun 12, 2012
- Ricoh Company, Ltd.
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Temperature control unit for electrophotographic photoconductor sub...
- Patent number 8,126,360
- Issue date Feb 28, 2012
- Ricoh Company, Ltd.
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and method of preparing the photo...
- Patent number 8,114,563
- Issue date Feb 14, 2012
- Ricoh Company, Limited
- Mitsuaki Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, method of preparing the photorec...
- Patent number 8,097,394
- Issue date Jan 17, 2012
- Ricoh Company, Ltd.
- Mitsuaki Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method and process cartridge
- Patent number 7,865,114
- Issue date Jan 4, 2011
- Ricoh Company Limited
- Masahiko Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, toner container and latent electrostatic image ca...
- Patent number 7,482,104
- Issue date Jan 27, 2009
- Ricoh Company, Ltd.
- Maiko Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, and image forming method, appara...
- Patent number 7,473,504
- Issue date Jan 6, 2009
- Ricoh Company, Ltd.
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and method of preparing the photo...
- Patent number 7,449,272
- Issue date Nov 11, 2008
- Ricoh Company, Ltd.
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, and image formation method, ima...
- Patent number 7,416,823
- Issue date Aug 26, 2008
- Ricoh Company, Ltd.
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, toner container and latent electrostatic image ca...
- Patent number 7,386,256
- Issue date Jun 10, 2008
- Ricoh Company, Ltd.
- Maiko Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor and process for manufacturing th...
- Patent number 7,354,686
- Issue date Apr 8, 2008
- Ricoh Company, Ltd.
- Naohiro Toda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, preparation method thereof, ele...
- Patent number 7,341,814
- Issue date Mar 11, 2008
- Ricoh Company, Ltd.
- Hidetoshi Kami
- 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
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
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 photoreceptor, electrophotographic image formin...
- Patent number 6,558,863
- Issue date May 6, 2003
- Ricoh Company Limited
- Takashi Rokutanzono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, method of manufacturing the phot...
- Patent number 6,521,387
- Issue date Feb 18, 2003
- Ricoh Company, Ltd.
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor
- Patent number 5,496,671
- Issue date Mar 5, 1996
- Ricoh Company, Ltd.
- Hiroshi Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor
- Patent number 5,411,827
- Issue date May 2, 1995
- Ricoh Company, Ltd.
- Hiroshi Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image formation method
- Patent number 5,339,138
- Issue date Aug 16, 1994
- Ricoh Company, Ltd.
- Naoshi Mishima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND METHOD FOR PRODUCING THE SAME
- Publication number 20140170544
- Publication date Jun 19, 2014
- Yoshiaki KAWASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND METHOD FOR PRODUCING ELECTRO...
- Publication number 20130330663
- Publication date Dec 12, 2013
- Yoshiaki KAWASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE BEARING MEMBER
- Publication number 20120064444
- Publication date Mar 15, 2012
- RICOH COMPANY, LTD.
- Hongguo LI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Temperature Control Unit For Electrophotographic Photoconductor Sub...
- Publication number 20100260513
- Publication date Oct 14, 2010
- Yoshiaki Kawasaki
- 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 AND METHOD OF PREPARING THE PHOTO...
- Publication number 20100209842
- Publication date Aug 19, 2010
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PRODUCTION METHOD THEREOF, IMAG...
- Publication number 20090035672
- Publication date Feb 5, 2009
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD FOR PREPARING THE ELECTRO...
- Publication number 20080318142
- Publication date Dec 25, 2008
- RICOH COMPANY, LTD.
- Yoshiaki KAWASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND PROCESS CARTRIDGE
- Publication number 20080241716
- Publication date Oct 2, 2008
- Masahiko Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, TONER CONTAINER AND LATENT ELECTROSTATIC IMAGE CA...
- Publication number 20080193865
- Publication date Aug 14, 2008
- Maiko Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD OF PREPARING THE PHOTOREC...
- Publication number 20080124638
- Publication date May 29, 2008
- Mitsuaki HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTO...
- Publication number 20080038649
- Publication date Feb 14, 2008
- Mitsuaki Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
- Publication number 20070297836
- Publication date Dec 27, 2007
- Yoshiaki KAWASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTO...
- Publication number 20070212627
- Publication date Sep 13, 2007
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and method of preparing the photo...
- Publication number 20070009818
- Publication date Jan 11, 2007
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and method of preparing the photo...
- Publication number 20060110668
- Publication date May 25, 2006
- Yoshiaki Kawasaki
- 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
Photoconductor, image forming process, image forming apparatus, and...
- Publication number 20050287452
- Publication date Dec 29, 2005
- Hiroshi Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, and image forming method, appara...
- Publication number 20050266325
- Publication date Dec 1, 2005
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, preparation method thereof, ele...
- Publication number 20050181291
- Publication date Aug 18, 2005
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, and image formation method, ima...
- Publication number 20050158641
- Publication date Jul 21, 2005
- Yoshiki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, developer, toner container and latent electrostatic image ca...
- Publication number 20050158644
- Publication date Jul 21, 2005
- Maiko Kondo
- 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 photoconductor and process for manufacturing th...
- Publication number 20040234875
- Publication date Nov 25, 2004
- Naohiro Toda
- 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, method of manufacturing the phot...
- Publication number 20020094487
- Publication date Jul 18, 2002
- RICOH COMPANY, LTD.
- Yoshiaki Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, electrophotographic image formin...
- Publication number 20010016296
- Publication date Aug 23, 2001
- Ricoh Company Limited
- Takashi Rokutanzono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yoshiaki Kawasaki

Person

Patents Grantslast 30 patents

Electrophotographic photoreceptor, and method for producing electro...

Electrophotographic photoreceptor, method for preparing the electro...

Image bearing member

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

Photoreceptor, method of manufacturing same, image formation method...

Image forming apparatus, image forming method, and process cartridge

Electrophotographic photoconductor, production method thereof, imag...

Temperature control unit for electrophotographic photoconductor sub...

Electrophotographic photoreceptor and method of preparing the photo...

Electrophotographic photoreceptor, method of preparing the photorec...

Image forming apparatus, image forming method and process cartridge

Toner, developer, toner container and latent electrostatic image ca...

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

Electrophotographic photoreceptor and method of preparing the photo...

Electrophotographic photoconductor, and image formation method, ima...

Toner, developer, toner container and latent electrostatic image ca...

Electrophotographic photoconductor and process for manufacturing th...

Electrophotographic photoconductor, preparation method thereof, ele...

Image forming apparatus and copier

Image forming apparatus and copier

Image forming apparatus and copier

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic image forming method and apparatus

Electrophotographic photoreceptor, electrophotographic image formin...

Electrophotographic photoreceptor, method of manufacturing the phot...

Electrophotographic photoconductor

Electrophotographic photoconductor

Electrophotographic image formation method

Patents Applicationslast 30 patents

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND METHOD FOR PRODUCING THE SAME

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND METHOD FOR PRODUCING ELECTRO...

IMAGE BEARING MEMBER

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

Temperature Control Unit For Electrophotographic Photoconductor Sub...

Photoreceptor, Method Of Manufacturing Same, Image Formation Method...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTO...

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PRODUCTION METHOD THEREOF, IMAG...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD FOR PREPARING THE ELECTRO...

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND PROCESS CARTRIDGE

TONER, DEVELOPER, TONER CONTAINER AND LATENT ELECTROSTATIC IMAGE CA...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD OF PREPARING THE PHOTOREC...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTO...

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTO...

Electrophotographic photoreceptor and method of preparing the photo...

Electrophotographic photoreceptor and method of preparing the photo...

Image forming apparatus and copier

Photoconductor, image forming process, image forming apparatus, and...

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

Electrophotographic photoconductor, preparation method thereof, ele...

Electrophotographic photoconductor, and image formation method, ima...

Toner, developer, toner container and latent electrostatic image ca...

Image forming apparatus and copier

Electrophotographic photoconductor and process for manufacturing th...

Image forming apparatus and copier

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic image forming method and apparatus

Electrophotographic photoreceptor, method of manufacturing the phot...

Electrophotographic photoreceptor, electrophotographic image formin...