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Ikeda-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Toner cartridge including a protrusion protruding from a center of...
Patent number
11,506,994
Issue date
Nov 22, 2022
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner cartridge including a protrusion protruding from a center of...
Patent number
11,231,663
Issue date
Jan 25, 2022
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container for image forming apparatus
Patent number
10,816,914
Issue date
Oct 27, 2020
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Downsized developer container with higher degree of freedom
Patent number
10,558,145
Issue date
Feb 11, 2020
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing device, process unit, and image for...
Patent number
10,295,933
Issue date
May 21, 2019
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container including a convex portion, a rotator, and a re...
Patent number
10,175,607
Issue date
Jan 8, 2019
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing device, process unit, and image for...
Patent number
9,696,657
Issue date
Jul 4, 2017
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing device, process unit, and image for...
Patent number
9,280,130
Issue date
Mar 8, 2016
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process unit including a rotatable shaft along a driving force vect...
Patent number
9,268,300
Issue date
Feb 23, 2016
Ricoh Company, Ltd.
Yoshiyuki Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder container, developing unit, process unit, and image forming...
Patent number
9,239,565
Issue date
Jan 19, 2016
Ricoh Company, Ltd.
Shoh Tsuritani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing device, processing unit, image form...
Patent number
9,201,341
Issue date
Dec 1, 2015
Ricoh Company, Limited
Shoh Tsuritani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing device, process unit, and image for...
Patent number
9,176,419
Issue date
Nov 3, 2015
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and developer container, developing device,...
Patent number
9,141,028
Issue date
Sep 22, 2015
Ricoh Company, Ltd.
Shoh Tsuritani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and powder transport unit
Patent number
9,069,284
Issue date
Jun 30, 2015
Ricoh Company, Ltd.
Yoshiyuki Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder container
Patent number
D724655
Issue date
Mar 17, 2015
Ricoh Company, Ltd.
Tomohiro Kubota
D18 - Printing and office machinery
Information
Patent Grant
Powder container
Patent number
D723099
Issue date
Feb 24, 2015
Ricoh Company, Ltd.
Tomohiro Kubota
D18 - Printing and office machinery
Information
Patent Grant
Developer container, developing device, process cartridge, image fo...
Patent number
8,913,926
Issue date
Dec 16, 2014
Ricoh Company, Ltd.
Kenji Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Shutter assembly, powder container, cleaning device, and image form...
Patent number
8,903,283
Issue date
Dec 2, 2014
Ricoh Company, Ltd.
Manabu Hamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer amount detector, and developer container, development dev...
Patent number
8,861,991
Issue date
Oct 14, 2014
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder container
Patent number
D712463
Issue date
Sep 2, 2014
Ricoh Company, Ltd.
Tomohiro Kubota
D18 - Printing and office machinery
Information
Patent Grant
Developer container, developing device, process unit, and image for...
Patent number
8,792,808
Issue date
Jul 29, 2014
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus capable of effectively utilizing interior s...
Patent number
8,768,203
Issue date
Jul 1, 2014
Ricoh Company, Ltd.
Manabu Hamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing device, process unit, and image for...
Patent number
8,744,321
Issue date
Jun 3, 2014
Ricoh Company, Ltd.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder container
Patent number
D698387
Issue date
Jan 28, 2014
Ricoh Company, Ltd.
Tomohiro Kubota
D18 - Printing and office machinery
Information
Patent Grant
Semiconductive member, and developing roll, charging roll, transfer...
Patent number
8,354,164
Issue date
Jan 15, 2013
Ricoh Company, Limited
Chiyoshi Nozaki
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Powder transport screw, and development device, process unit and im...
Patent number
8,135,313
Issue date
Mar 13, 2012
Ricoh Company, Ltd.
Tomofumi Yoshida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TONER CARTRIDGE INCLUDING A PROTRUSION PROTRUDING FROM A CENTER OF...
Publication number
20220107587
Publication date
Apr 7, 2022
RICOH COMPANY, LTD.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER FOR IMAGE FORMING APPARATUS
Publication number
20210018862
Publication date
Jan 21, 2021
RICOH COMPANY, LTD.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DOWNSIZED DEVELOPER CONTAINER WITH HIGHER DEGREE OF FREEDOM
Publication number
20200125005
Publication date
Apr 23, 2020
RICOH COMPANY, LTD.
Tomohiro Kubota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FO...
Publication number
20190250533
Publication date
Aug 15, 2019
Tomohiro KUBOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
Publication number
20190094758
Publication date
Mar 28, 2019
Tomohiro KUBOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
Publication number
20170248870
Publication date
Aug 31, 2017
Tomohiro KUBOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
Publication number
20160139540
Publication date
May 19, 2016
Tomohiro KUBOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
Publication number
20160004208
Publication date
Jan 7, 2016
Tomohiro KUBOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESSING UNIT, IMAGE FORM...
Publication number
20140356004
Publication date
Dec 4, 2014
Shoh TSURITANI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
Publication number
20140294449
Publication date
Oct 2, 2014
Tomohiro KUBOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER CONTAINER, DEVELOPING UNIT, PROCESS UNIT, AND IMAGE FORMING...
Publication number
20140153972
Publication date
Jun 5, 2014
Shoh TSURITANI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SHUTTER ASSEMBLY, POWDER CONTAINER, CLEANING DEVICE, AND IMAGE FORM...
Publication number
20140050507
Publication date
Feb 20, 2014
Manabu HAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND DEVELOPER CONTAINER, DEVELOPING DEVICE,...
Publication number
20140050502
Publication date
Feb 20, 2014
Shoh TSURITANI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND POWDER TRANSPORT UNIT
Publication number
20140029962
Publication date
Jan 30, 2014
Yoshiyuki Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20130344427
Publication date
Dec 26, 2013
Takuya Kadota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
Publication number
20130266347
Publication date
Oct 10, 2013
Tomohiro KUBOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
Publication number
20130259532
Publication date
Oct 3, 2013
Tomohiro KUBOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS UNIT AND IMAGE FORMING APPARATUS
Publication number
20130216264
Publication date
Aug 22, 2013
Yoshiyuki SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, IMAGE FO...
Publication number
20130183065
Publication date
Jul 18, 2013
Kenji Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGER AND IMAGE FORMING APPARATUS
Publication number
20130058679
Publication date
Mar 7, 2013
RICOH COMPANY, LTD.
Hidekazu SHONO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER AMOUNT DETECTOR, AND DEVELOPER CONTAINER, DEVELOPMENT DEV...
Publication number
20120189327
Publication date
Jul 26, 2012
Tomohiro KUBOTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS CAPABLE OF EFFECTIVELY UTILIZING INTERIOR S...
Publication number
20120114373
Publication date
May 10, 2012
RICOH COMPANY, LTD.
Manabu Hamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SEMICONDUCTIVE MEMBER, AND DEVELOPING ROLL, CHARGING ROLL, TRANSFER...
Publication number
20100150609
Publication date
Jun 17, 2010
Chiyoshi Nozaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER TRANSPORT SCREW, AND DEVELOPMENT DEVICE, PROCESS UNIT AND IM...
Publication number
20090169265
Publication date
Jul 2, 2009
Tomofumi YOSHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY