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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Toner, developer, and image forming method
Patent number
8,932,788
Issue date
Jan 13, 2015
Ricoh Company, Ltd.
Shinichi Wakamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, toner accommodating container, process cartridge...
Patent number
8,673,528
Issue date
Mar 18, 2014
Ricoh Company, Ltd.
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, toner container, process cartridge, and image for...
Patent number
8,557,491
Issue date
Oct 15, 2013
Ricoh Company, Ltd.
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, image forming method, and process cartridge
Patent number
8,486,596
Issue date
Jul 16, 2013
Ricoh Company, Limited
Masaki Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resin particle, toner, and image forming method and process cartrid...
Patent number
8,293,442
Issue date
Oct 23, 2012
Ricoh Company, Ltd.
Masaki Watanabe
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Magenta toner and developer
Patent number
8,178,268
Issue date
May 15, 2012
Ricoh Company, Limited
Naohiro Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for image formation, method for producing toner, container co...
Patent number
8,163,455
Issue date
Apr 24, 2012
Ricoh Company, Ltd.
Naohiro Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, image forming method, image forming apparatus, pr...
Patent number
8,137,883
Issue date
Mar 20, 2012
Ricoh Company Limited
Ryota Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, image forming method, image forming apparatus, pr...
Patent number
7,989,131
Issue date
Aug 2, 2011
Ricoh Company Limited
Ryota Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, toner container, process cartridge, image forming...
Patent number
7,968,265
Issue date
Jun 28, 2011
Ricoh Company, Limited
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, and image forming method
Patent number
7,947,419
Issue date
May 24, 2011
Ricoh Company Limited
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, toner container, process cartridge, image forming...
Patent number
7,820,350
Issue date
Oct 26, 2010
Ricoh Company, Ltd.
Masahide Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, method of preparing the toner, and developer, image forming...
Patent number
7,709,174
Issue date
May 4, 2010
Ricoh Company Limited
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer, toner container, process cartridge, image form...
Patent number
7,695,883
Issue date
Apr 13, 2010
Ricoh Company, Ltd.
Masahide Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer using the toner
Patent number
7,666,563
Issue date
Feb 23, 2010
Ricoh Company Limited
Masahiro Ohki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer, toner container, process cartridge, image form...
Patent number
7,504,188
Issue date
Mar 17, 2009
Ricoh Company, Ltd.
Masahide Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
POLYMER PRODUCT, POLYMER COMPACT, POLYMER COMPACT FOR MEDICAL USE,...
Publication number
20140200326
Publication date
Jul 17, 2014
Yoshitaka Yamauchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TONER, DEVELOPER, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, PR...
Publication number
20110223530
Publication date
Sep 15, 2011
Ryota Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, TONER ACCOMMODATING CONTAINER, PROCESS CARTRIDGE...
Publication number
20110076607
Publication date
Mar 31, 2011
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MAGENTA TONER AND DEVELOPER
Publication number
20100081075
Publication date
Apr 1, 2010
Naohiro WATANABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER FOR ELECTROPHOTOGRAPHY, AND TWO-COMPONENT DEVELOPER AND IMAGE...
Publication number
20100075243
Publication date
Mar 25, 2010
Naohito SHIMOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIN PARTICLE, TONER, AND IMAGE FORMING METHOD AND PROCESS CARTRID...
Publication number
20100075245
Publication date
Mar 25, 2010
Masaki Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FOR...
Publication number
20100035170
Publication date
Feb 11, 2010
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
Publication number
20090325099
Publication date
Dec 31, 2009
Masaki WATANABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER FOR IMAGE FORMATION, METHOD FOR PRODUCING TONER, CONTAINER CO...
Publication number
20090233204
Publication date
Sep 17, 2009
Naohiro Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING...
Publication number
20090214973
Publication date
Aug 27, 2009
RICOH COMPANY, LIMITED
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORM...
Publication number
20090117480
Publication date
May 7, 2009
Masahide YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING METHOD
Publication number
20090104555
Publication date
Apr 23, 2009
Shinichi Wakamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING METHOD
Publication number
20090092917
Publication date
Apr 9, 2009
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20090074467
Publication date
Mar 19, 2009
Takuya Seshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING METHOD
Publication number
20080318144
Publication date
Dec 25, 2008
Naohiro Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORM...
Publication number
20080090165
Publication date
Apr 17, 2008
Masahide YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING...
Publication number
20070218392
Publication date
Sep 20, 2007
Masahide Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, METHOD OF PREPARING THE TONER, AND DEVELOPER, IMAGE FORMING...
Publication number
20070141500
Publication date
Jun 21, 2007
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, developer, image forming method, image forming apparatus, pr...
Publication number
20070059626
Publication date
Mar 15, 2007
Ryota Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner and developer using the toner
Publication number
20070054210
Publication date
Mar 8, 2007
Masahiro Ohki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY