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Takeshi Orito
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing cell contained base and method for evaluating...
Patent number
11,566,273
Issue date
Jan 31, 2023
Ricoh Company, Ltd.
Satoshi Izumi
G01 - MEASURING TESTING
Information
Patent Grant
Image forming apparatus and recording liquid
Patent number
8,919,946
Issue date
Dec 30, 2014
Ricoh Company, Ltd.
Ryota Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming device, and image forming method
Patent number
8,870,350
Issue date
Oct 28, 2014
Ricoh Company, Ltd.
Ryota Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
8,746,873
Issue date
Jun 10, 2014
Ricoh Company, Ltd.
Takeo Tsukamoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
[1]benzothieno[3,2-B][1]benzothiophene compound and method for prod...
Patent number
8,440,713
Issue date
May 14, 2013
Ricoh Company, Ltd.
Daisuke Goto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Head cleaning device, image forming device, and head cleaning method
Patent number
8,382,233
Issue date
Feb 26, 2013
Ricoh Company, Ltd.
Yuuma Usui
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Benzobisthiazole compound, benzobisthiazole polymer, organic film i...
Patent number
8,193,304
Issue date
Jun 5, 2012
Ricoh Company Limited
Satoshi Yamamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Corona charger, and process cartridge and image forming apparatus u...
Patent number
8,059,992
Issue date
Nov 15, 2011
Ricoh Company, Ltd.
Makoto Yasuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor having N-alkoxymethylated nylon i...
Patent number
7,960,081
Issue date
Jun 14, 2011
Ricoh Company, Ltd.
Takeshi Orito
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
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
Coating liquid and electrophotographic photoreceptor prepared using...
Patent number
7,824,830
Issue date
Nov 2, 2010
Ricoh Company Limited
Maiko Kondo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Latent electrostatic image bearing member, and the method for produ...
Patent number
7,560,204
Issue date
Jul 14, 2009
Ricoh Company, Ltd.
Naohiro Toda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image bearing member with charge blocking layer and moire preventio...
Patent number
7,537,872
Issue date
May 26, 2009
Ricoh Company Limited
Naohiro Toda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING CELL CONTAINED BASE AND METHOD FOR EVALUATING...
Publication number
20180363028
Publication date
Dec 20, 2018
Satoshi IZUMI
G01 - MEASURING TESTING
Information
Patent Application
IMAGE FORMING DEVICE, AND IMAGE FORMING METHOD
Publication number
20130093810
Publication date
Apr 18, 2013
Ryota Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS AND RECORDING LIQUID
Publication number
20130057628
Publication date
Mar 7, 2013
Ryota Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
HEAD CLEANING DEVICE, IMAGE FORMING DEVICE, AND HEAD CLEANING METHOD
Publication number
20120050393
Publication date
Mar 1, 2012
Yuuma Usui
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20110273523
Publication date
Nov 10, 2011
Ricoh Company, Ltd.
Takeo Tsukamoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
[1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE COMPOUND AND METHOD FOR PROD...
Publication number
20110040107
Publication date
Feb 17, 2011
Daisuke Goto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
BENZOBISTHIAZOLE COMPOUND, BENZOBISTHIAZOLE POLYMER, ORGANIC FILM I...
Publication number
20090230386
Publication date
Sep 17, 2009
Satoshi Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CORONA CHARGER, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS U...
Publication number
20090148186
Publication date
Jun 11, 2009
RICOH COMPANY, LTD.
Makoto Yasuda
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
Latent electrostatic image bearing member, and the method for produ...
Publication number
20070059617
Publication date
Mar 15, 2007
Naohiro Toda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoconductor, image forming apparatus, image...
Publication number
20070059619
Publication date
Mar 15, 2007
Keisuke Shimoyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor, and image forming apparatus and...
Publication number
20070042281
Publication date
Feb 22, 2007
Takeshi Orito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image bearing member, and image forming apparatus and process cartr...
Publication number
20060240346
Publication date
Oct 26, 2006
Naohiro Toda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Coating liquid and electrophotographic photoreceptor prepared using...
Publication number
20060134540
Publication date
Jun 22, 2006
Maiko Kondo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...