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Akira Izutani
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Osaka-fu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wiping member, wiping method, and image forming apparatus
Patent number
12,030,090
Issue date
Jul 9, 2024
Ricoh Company, Ltd.
Takumi Atake
B08 - CLEANING
Information
Patent Grant
Wiping method and image forming apparatus
Patent number
11,981,141
Issue date
May 14, 2024
Ricoh Company, Ltd.
Ichiroh Fujii
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Wiping device, wiping member, liquid discharging device, and wiping...
Patent number
10,889,119
Issue date
Jan 12, 2021
Ricoh Company, Ltd.
Yohta Sakon
B32 - LAYERED PRODUCTS
Information
Patent Grant
Wiping member, wiping method, and wiping device
Patent number
10,759,173
Issue date
Sep 1, 2020
Ricoh Company, Ltd.
Hiroko Ohkura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Member for an image forming appratus
Patent number
10,466,627
Issue date
Nov 5, 2019
Ricoh Company, Ltd.
Hidetoshi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Intermediate transfer member for image forming apparatus, method of...
Patent number
10,078,296
Issue date
Sep 18, 2018
Ricoh Company, Ltd.
Ryo Miyakoshi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Composition for seamless belt, and image forming apparatus using th...
Patent number
10,001,731
Issue date
Jun 19, 2018
Ricoh Company, Ltd.
Makoto Matsushita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Semiconductive resin composition, member for electrophotography and...
Patent number
9,921,526
Issue date
Mar 20, 2018
Ricoh Company, Ltd.
Hiroaki Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
9,778,602
Issue date
Oct 3, 2017
Ricoh Company, Ltd.
Keiichiro Juri
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Intermediate transfer belt
Patent number
9,720,354
Issue date
Aug 1, 2017
Ricoh Company, Ltd.
Keiichiro Juri
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Intermediate transfer belt, and image forming apparatus using the belt
Patent number
9,625,858
Issue date
Apr 18, 2017
Ricoh Company, Ltd.
Akira Izutani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Intermediate transfer member and image forming apparatus
Patent number
9,442,432
Issue date
Sep 13, 2016
Ricoh Company, Ltd.
Ayano Momose
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Intermediate transferer and image forming apparatus
Patent number
9,436,136
Issue date
Sep 6, 2016
Ricoh Company, Ltd.
Makoto Matsushita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resin composition, seamless belt, and image forming apparatus
Patent number
9,405,235
Issue date
Aug 2, 2016
Ricoh Company, Ltd.
Makoto Matsushita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Belt-shaped member for image forming apparatus and image forming ap...
Patent number
8,886,096
Issue date
Nov 11, 2014
Ricoh Company, Ltd.
Makoto Matsushita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,374,532
Issue date
Feb 12, 2013
Ricoh Company, Limited
Makoto Matsushita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus and method for fixing an electrophotographic image on a r...
Patent number
8,369,760
Issue date
Feb 5, 2013
Ricoh Company, Limited
Atsushi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, process cartridge and method of forming image
Patent number
8,338,066
Issue date
Dec 25, 2012
Ricoh Company, Ltd.
Tsuyoshi Nozaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Conductive composition, electrophotographic belt, image forming app...
Patent number
8,329,080
Issue date
Dec 11, 2012
Ricoh Company, Ltd.
Makoto Matsushita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Image forming method
Patent number
8,311,467
Issue date
Nov 13, 2012
Ricoh Company Limited
Atsushi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method
Patent number
8,206,879
Issue date
Jun 26, 2012
Ricoh Company, Ltd.
Akira Izutani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer, and image forming apparatus and image forming method usi...
Patent number
8,153,342
Issue date
Apr 10, 2012
Ricoh Company, Ltd.
Akira Izutani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and image forming apparatus
Patent number
8,017,290
Issue date
Sep 13, 2011
Ricoh Company, Ltd.
Minoru Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, image forming apparatus and development method
Patent number
7,925,187
Issue date
Apr 12, 2011
Ricoh Company Limited
Akira Izutani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer supply roller and image forming apparatus
Patent number
7,697,874
Issue date
Apr 13, 2010
Ricoh Company, Ltd.
Akira Izutani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Non-fixing type image forming method and non-fixing type image form...
Patent number
6,701,108
Issue date
Mar 2, 2004
Minolta Co., Ltd.
Hiroshi Mizuno
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
WIPING METHOD AND IMAGE FORMING APPARATUS
Publication number
20230001696
Publication date
Jan 5, 2023
RICOH COMPANY, LTD.
Ichiroh FUJII
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
WIPING MEMBER, WIPING METHOD, AND IMAGE FORMING APPARATUS
Publication number
20210016327
Publication date
Jan 21, 2021
Takumi ATAKE
B32 - LAYERED PRODUCTS
Information
Patent Application
LIQUID DISCHARGING DEVICE AND WIPING METHOD
Publication number
20200254472
Publication date
Aug 13, 2020
Ayaka Tanaka
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
PRINTER
Publication number
20200207096
Publication date
Jul 2, 2020
Shunsuke Horie
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
WIPING DEVICE, WIPING MEMBER, LIQUID DISCHARGING DEVICE, AND WIPING...
Publication number
20200207099
Publication date
Jul 2, 2020
Yohta SAKON
B32 - LAYERED PRODUCTS
Information
Patent Application
WIPING MEMBER, WIPING METHOD, AND WIPING DEVICE
Publication number
20190366721
Publication date
Dec 5, 2019
Hiroko OHKURA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
MEMBER FOR IMAGE FORMING APPARATUS, METHOD OF MANUFACTURING THE SAM...
Publication number
20170351198
Publication date
Dec 7, 2017
RICOH COMPANY, LTD.
Ryo MIYAKOSHI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
MEMBER FOR AN IMAGE FORMING APPARATUS
Publication number
20170227892
Publication date
Aug 10, 2017
Hidetoshi FUJII
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20160274500
Publication date
Sep 22, 2016
RICOH COMPANY, LTD.
Keiichiro JURI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
INTERMEDIATE TRANSFER BELT, AND IMAGE FORMING APPARATUS USING THE BELT
Publication number
20160259273
Publication date
Sep 8, 2016
RICOH COMPANY, LTD.
Akira IZUTANI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SEMICONDUCTIVE RESIN COMPOSITION, MEMBER FOR ELECTROPHOTOGRAPHY AND...
Publication number
20160202638
Publication date
Jul 14, 2016
RICOH COMPANY, LTD.
Hiroaki Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTIVE RESIN COMPOSITION, MEMBER FOR ELECTROPHOTOGRAPHY AND...
Publication number
20160202639
Publication date
Jul 14, 2016
RICOH COMPANY, LTD.
Makoto Matsushita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COMPOSITION FOR SEAMLESS BELT, AND IMAGE FORMING APPARATUS USING TH...
Publication number
20160187816
Publication date
Jun 30, 2016
RICOH COMPANY, LTD.
Makoto Matsushita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
INTERMEDIATE TRANSFER MEMBER AND IMAGE FORMING APPARATUS
Publication number
20150078791
Publication date
Mar 19, 2015
RICOH COMPANY, LTD.
Ayano MOMOSE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
INTERMEDIATE TRANSFERER AND IMAGE FORMING APPARATUS
Publication number
20150014602
Publication date
Jan 15, 2015
RICOH COMPANY, LTD.
Makoto Matsushita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RESIN COMPOSITION, SEAMLESS BELT, AND IMAGE FORMING APPARATUS
Publication number
20140243465
Publication date
Aug 28, 2014
RICOH COMPANY, LTD.
Makoto Matsushita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BELT-SHAPED MEMBER FOR IMAGE FORMING APPARATUS AND IMAGE FORMING AP...
Publication number
20120294657
Publication date
Nov 22, 2012
Makoto MATSUSHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONDUCTIVE COMPOSITION, ELECTROPHOTOGRAPHIC BELT, IMAGE FORMING APP...
Publication number
20110249994
Publication date
Oct 13, 2011
Makoto Matsushita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
INTERMEDIATE TRANSFER BELT FOR IMAGE FORMING APPARATUS, METHOD OF P...
Publication number
20110217653
Publication date
Sep 8, 2011
Akira Izutani
B82 - NANO-TECHNOLOGY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20110008069
Publication date
Jan 13, 2011
Makoto MATSUSHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD
Publication number
20100296848
Publication date
Nov 25, 2010
Atsushi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD
Publication number
20100272481
Publication date
Oct 28, 2010
Atsushi YAMAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, PROCESS CARTRIDGE AND METHOD OF FORMING IMAGE
Publication number
20100055603
Publication date
Mar 4, 2010
RICOH COMPANY, LTD.,
Tsuyoshi NOZAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMATION METHOD AND IMAGE FORMING APPARATUS
Publication number
20090257792
Publication date
Oct 15, 2009
Minoru NAKAMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, IMAGE FORMATION METHOD AND IMAGE FORMING APPARATUS
Publication number
20090186289
Publication date
Jul 23, 2009
Minoru NAKAMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, IMAGE FORMING APPARATUS AND DEVELOPMENT METHOD
Publication number
20090142107
Publication date
Jun 4, 2009
Izutani AKIRA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER SUPPLY ROLLER AND IMAGE FORMING APPARATUS
Publication number
20080232864
Publication date
Sep 25, 2008
Akira Izutani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD
Publication number
20080232849
Publication date
Sep 25, 2008
Akira Izutani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
Publication number
20080226997
Publication date
Sep 18, 2008
Minoru Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20080069599
Publication date
Mar 20, 2008
Minoru Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY