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Yuu SAKAKIBARA
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Hokkaido, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Blade and image forming apparatus and cleaning device incorporating...
Patent number
10,042,315
Issue date
Aug 7, 2018
Ricoh Company, Ltd.
Eisuke Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning blade, image forming apparatus, and process cartridge
Patent number
10,031,466
Issue date
Jul 24, 2018
Ricoh Company, Limited
Kazuhiko Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Blade, cleaning device, and image forming apparatus incorporating same
Patent number
9,904,233
Issue date
Feb 27, 2018
Ricoh Company, Ltd.
Eisuke Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Blade and image forming apparatus incorporating same
Patent number
9,798,284
Issue date
Oct 24, 2017
Ricoh Company, Ltd.
Eisuke Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge therefor
Patent number
9,310,750
Issue date
Apr 12, 2016
Ricoh Company, Ltd.
Hisashi Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaner, and process cartridge and image forming apparatus using th...
Patent number
9,081,353
Issue date
Jul 14, 2015
Ricoh Company, Ltd.
Takaaki Tawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device and image forming apparatus including same
Patent number
8,699,908
Issue date
Apr 15, 2014
Ricoh Company, Ltd.
Hisashi Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus and method for changing a voltage setting for an image fo...
Patent number
8,699,898
Issue date
Apr 15, 2014
Ricoh Company, Ltd.
Hisashi Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device, image forming apparatus including same, and method...
Patent number
8,682,208
Issue date
Mar 25, 2014
Ricoh Company, Ltd.
Akira Asaoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device and image forming apparatus including same
Patent number
8,600,256
Issue date
Dec 3, 2013
Ricoh Company, Ltd.
Yuu Sakakibara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device and image forming apparatus
Patent number
8,548,350
Issue date
Oct 1, 2013
Ricoh Company, Limited
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device and image forming apparatus including same
Patent number
8,483,605
Issue date
Jul 9, 2013
Ricoh Company, Ltd.
Akira Asaoka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning apparatus and image forming apparatus
Patent number
8,437,657
Issue date
May 7, 2013
Ricoh Company, Limited
Hisashi Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device and image forming apparatus
Patent number
8,433,213
Issue date
Apr 30, 2013
Ricoh Company, Limited
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
CLEANING BLADE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20170199493
Publication date
Jul 13, 2017
Kazuhiko WATANABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BLADE, CLEANING DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20170146944
Publication date
May 25, 2017
Eisuke SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BLADE AND IMAGE FORMING APPARATUS AND CLEANING DEVICE INCORPORATING...
Publication number
20170038724
Publication date
Feb 9, 2017
Eisuke SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMIN...
Publication number
20160320738
Publication date
Nov 3, 2016
RICOH COMPANY, LTD.
Takaaki TAWADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BLADE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20160259293
Publication date
Sep 8, 2016
RICOH COMPANY, LTD.
Eisuke SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANER, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS USING TH...
Publication number
20140193172
Publication date
Jul 10, 2014
RICOH COMPANY, LTD.
Takaaki TAWADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE THEREFOR
Publication number
20140119769
Publication date
May 1, 2014
Hisashi KIKUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20130315617
Publication date
Nov 28, 2013
Kenji SUGIURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20120224870
Publication date
Sep 6, 2012
Hisashi KIKUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20120099883
Publication date
Apr 26, 2012
Hisashi KIKUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20120087704
Publication date
Apr 12, 2012
Akira ASAOKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE, IMAGE FORMING APPARATUS INCLUDING SAME, AND METHOD...
Publication number
20120034006
Publication date
Feb 9, 2012
Akira ASAOKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20120008973
Publication date
Jan 12, 2012
Yuu SAKAKIBARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20110229187
Publication date
Sep 22, 2011
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20110229234
Publication date
Sep 22, 2011
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20110158677
Publication date
Jun 30, 2011
Hisashi KIKUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning device and image forming apparatus incorporating same
Publication number
20110085834
Publication date
Apr 14, 2011
Osamu Naruse
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY