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Kanagawa, JP
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last 30 patents
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Patent Grant
Consumable supply method, consumable container, image forming appar...
Patent number
11,709,442
Issue date
Jul 25, 2023
Ricoh Company, Ltd.
Toshio Koike
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus that controls a charging bias based on an e...
Patent number
11,226,571
Issue date
Jan 18, 2022
Ricoh Company, Ltd.
Akio Kosuge
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus incorporating image reader
Patent number
9,857,745
Issue date
Jan 2, 2018
Ricoh Company, Ltd.
Natsumi Matsue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus incorporating line sensor
Patent number
9,651,910
Issue date
May 16, 2017
Ricoh Company, Ltd.
Akio Kosuge
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder refilling device, process cartridge and image including same...
Patent number
9,042,778
Issue date
May 26, 2015
Ricoh Company, Ltd.
Kazuya Saitoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having replaceable modules
Patent number
8,958,719
Issue date
Feb 17, 2015
Ricoh Company, Limited
Nobuo Kuwabara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with neutralizer and image forming method
Patent number
8,913,923
Issue date
Dec 16, 2014
Ricoh Company, Ltd.
Akio Kosuge
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device, process cartridge, and image forming apparatus
Patent number
8,761,654
Issue date
Jun 24, 2014
Ricoh Company, Ltd.
Shinichi Kawahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,725,009
Issue date
May 13, 2014
Ricoh Company, Limited
Daisuke Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant supply device, process cartridge, and image forming appar...
Patent number
8,718,530
Issue date
May 6, 2014
Ricoh Company, Ltd.
Norio Kudo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant supplying device, process cartridge, and image forming ap...
Patent number
8,712,261
Issue date
Apr 29, 2014
Ricoh Company, Limited
Norio Kudo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,457,541
Issue date
Jun 4, 2013
Ricoh Company, Limited
Akio Kosuge
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Waste toner container and image forming apparatus incorporating same
Patent number
8,428,475
Issue date
Apr 23, 2013
Ricoh Company, Ltd.
Daisuke Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant applicator, image forming apparatus, and process cartridge
Patent number
8,380,115
Issue date
Feb 19, 2013
Ricoh Company, Limited
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning unit, process cartridge incorporating same, and image form...
Patent number
8,315,535
Issue date
Nov 20, 2012
Ricoh Company, Ltd.
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,280,293
Issue date
Oct 2, 2012
Ricoh Company, Limited
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,275,275
Issue date
Sep 25, 2012
Ricoh Company, Ltd.
Emiko Ishikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, process cartridge, and image bearing member
Patent number
8,273,513
Issue date
Sep 25, 2012
Ricoh Company, Limited
Nozomu Tamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge having a charging unit
Patent number
8,204,422
Issue date
Jun 19, 2012
Ricoh Company, Limited
Satoshi Hatori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device with accumulation prevention, process cartridge, an...
Patent number
8,204,423
Issue date
Jun 19, 2012
Ricoh Company, Ltd.
Satoshi Hatori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and method of adjusting charge bias
Patent number
8,103,181
Issue date
Jan 24, 2012
Ricoh Company, Ltd.
Hitoshi Ishibashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with coating mode
Patent number
8,095,059
Issue date
Jan 10, 2012
Ricoh Company, Ltd.
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, and charging device and process cartridge...
Patent number
7,995,947
Issue date
Aug 9, 2011
Ricoh Company, Ltd.
Kaoru Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricating device, lubricant applicator, and priming agent used th...
Patent number
7,899,383
Issue date
Mar 1, 2011
Ricoh Company Limited
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming device charging device and l...
Patent number
7,894,758
Issue date
Feb 22, 2011
Ricoh Company, Ltd.
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge including charging bi...
Patent number
7,873,291
Issue date
Jan 18, 2011
Ricoh Company Limited
Akio Kosuge
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning unit, image carrying unit and image forming apparatus usin...
Patent number
7,835,683
Issue date
Nov 16, 2010
Ricoh Company, Ltd.
Takaya Muraishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and method of adjusting charge bias
Patent number
7,778,560
Issue date
Aug 17, 2010
Ricoh Company, Ltd.
Hitoshi Ishibashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge used therein
Patent number
7,756,439
Issue date
Jul 13, 2010
Ricoh Company Limited
Akio Kosuge
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and method of preparing toner for use in im...
Patent number
7,756,447
Issue date
Jul 13, 2010
Ricoh Company Limited
Akio Kosuge
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
SHEET CONVEYANCE GUIDE AND IMAGE FORMING APPARATUS INCORPORATING TH...
Publication number
20230024199
Publication date
Jan 26, 2023
RICOH COMPANY, LTD.
Hideyo MAKINO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONSUMABLE SUPPLY METHOD, CONSUMABLE CONTAINER, IMAGE FORMING APPAR...
Publication number
20220326637
Publication date
Oct 13, 2022
Toshio KOIKE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20210041800
Publication date
Feb 11, 2021
Ricoh Company Ltd.
Akio KOSUGE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE DENSITY DETECTOR, IMAGE FORMING APPARATUS INCORPORATING IMAGE...
Publication number
20170248889
Publication date
Aug 31, 2017
RICOH COMPANY, LTD.
Yuuichiroh Uematsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS INCORPORATING IMAGE READER
Publication number
20170108808
Publication date
Apr 20, 2017
Natsumi MATSUE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS INCORPORATING LINE SENSOR
Publication number
20160378040
Publication date
Dec 29, 2016
Akio KOSUGE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER REFILLING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARA...
Publication number
20140027012
Publication date
Jan 30, 2014
RICOH COMPANY, LTD.
Kazuya SAITOH
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS WITH NEUTRALIZER AND IMAGE FORMING METHOD
Publication number
20120328332
Publication date
Dec 27, 2012
Akio KOSUGE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LUBRICANT SUPPLYING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING AP...
Publication number
20120321330
Publication date
Dec 20, 2012
Norio KUDO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LUBRICANT SUPPLY DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPAR...
Publication number
20120315053
Publication date
Dec 13, 2012
RICOH COMPANY, LTD.
Norio Kudo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20120195664
Publication date
Aug 2, 2012
RICOH COMPANY, LIMITED
Nobuo Kuwabara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20120163837
Publication date
Jun 28, 2012
Daisuke Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20120134725
Publication date
May 31, 2012
Shinichi KAWAHARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Waste toner container and image forming apparatus incorporating same
Publication number
20110091227
Publication date
Apr 21, 2011
Ricoh Company, Ltd.
Daisuke Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20110026992
Publication date
Feb 3, 2011
Ricoh Company, Limited
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE BEARING MEMBER
Publication number
20100330475
Publication date
Dec 30, 2010
Nozomu TAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FOMRING APARATUS AND METHOD OF ADJUSTING CHARGE BIAS
Publication number
20100278549
Publication date
Nov 4, 2010
Hitoshi Ishibashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning unit, process cartriedge incorporating same, and image for...
Publication number
20100189461
Publication date
Jul 29, 2010
Ricoh Company, Ltd.
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Lubricant applicator, image forming apparatus, and process cartridge
Publication number
20100183349
Publication date
Jul 22, 2010
Ricoh Company, Ltd.
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20100129126
Publication date
May 27, 2010
Akio KOSUGE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20100098446
Publication date
Apr 22, 2010
RICOH COMPANY, LTD.
Emiko Ishikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20090252510
Publication date
Oct 8, 2009
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS INC...
Publication number
20090185842
Publication date
Jul 23, 2009
Satoshi Hatori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING UNIT, IMAGE CARRYING UNIT AND IMAGE FORMING APPARATUS USIN...
Publication number
20090142115
Publication date
Jun 4, 2009
Takaya MURAISHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS HAVING A LUBRICANT
Publication number
20090142101
Publication date
Jun 4, 2009
Akio Kosuge
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LUBRICATING DEVICE, LUBRICANT APPLICATOR, AND PRIMING AGENT USED TH...
Publication number
20090103944
Publication date
Apr 23, 2009
Takeshi Shintani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USED THEREIN
Publication number
20090060554
Publication date
Mar 5, 2009
Akio KOSUGE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, AND CHARGING DEVICE AND PROCESS CARTRIDGE...
Publication number
20090052939
Publication date
Feb 26, 2009
Kaoru Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20090010693
Publication date
Jan 8, 2009
Satoshi Hatori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20080304843
Publication date
Dec 11, 2008
Akio KOSUGE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY