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Ken Amemiya
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Nerima-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus and process cartridge incorporated therein
Patent number
9,031,469
Issue date
May 12, 2015
Ricoh Company, Ltd.
Takuma Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having transfer belt contact and separating...
Patent number
8,989,619
Issue date
Mar 24, 2015
Ricoh Company, Ltd.
Shinya Karasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant Supplying Device, Process Cartridge, and Image Forming Ap...
Patent number
8,958,737
Issue date
Feb 17, 2015
Ricoh Company, Limited
Shinya Karasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging device, including a cleaning device to clean a charging ro...
Patent number
8,934,808
Issue date
Jan 13, 2015
Ricoh Company, Ltd.
Ken Amemiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge and image forming apparatus including same
Patent number
8,918,016
Issue date
Dec 23, 2014
Ricoh Company, Ltd.
Michiya Okamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant applying device, process cartridge, and image forming app...
Patent number
8,676,107
Issue date
Mar 18, 2014
Ricoh Company, Limited
Michiya Okamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Waste toner container and image forming apparatus including same
Patent number
8,655,205
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Shinya Karasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant applicator, image forming apparatus, and method of mounti...
Patent number
8,655,254
Issue date
Feb 18, 2014
Ricoh Company, Limited
Yuji Arai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Waste toner container and image forming apparatus incorporating same
Patent number
8,620,203
Issue date
Dec 31, 2013
Ricoh Company, Ltd.
Shinya Karasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Waste-toner collecting device process cartridge and image forming a...
Patent number
8,611,805
Issue date
Dec 17, 2013
Ricoh Company, Limited
Toshio Koike
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant applicator, process cartridge, transfer unit, and image f...
Patent number
8,588,672
Issue date
Nov 19, 2013
Ricoh Company, Ltd.
Yuji Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device including cleaning mechanism having noise reduction...
Patent number
8,565,661
Issue date
Oct 22, 2013
Ricoh Company, Ltd.
Michiya Okamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant applicator, process unit including the lubricant applicat...
Patent number
8,494,428
Issue date
Jul 23, 2013
Ricoh Company, Ltd.
Yuta Azeyanagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging device, process cartridge, image forming apparatus, and toner
Patent number
8,428,488
Issue date
Apr 23, 2013
Ricoh Company, Ltd.
Haruji Mizuishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device, process cartridge, and image forming apparatus
Patent number
8,396,408
Issue date
Mar 12, 2013
Ricoh Company, Ltd.
Ken Amemiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Collection container, cleaning unit, and image forming apparatus ca...
Patent number
8,369,770
Issue date
Feb 5, 2013
Ricoh Company, Ltd.
Michiya Okamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Waste toner storage unit and image forming apparatus using same
Patent number
8,254,823
Issue date
Aug 28, 2012
Ricoh Company, Ltd.
Hiroyuki Nagashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Used toner collection device and image forming apparatus
Patent number
8,185,032
Issue date
May 22, 2012
Ricoh Company, Limited
Hiroshi Ono
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge and image forming apparatus employing same
Patent number
8,090,293
Issue date
Jan 3, 2012
Ricoh Company, Ltd.
Yuji Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant applying device, process cartridge, and image forming app...
Patent number
8,041,280
Issue date
Oct 18, 2011
Ricoh Company, Ltd.
Toshio Koike
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging device, process cartridge, image forming apparatus, and toner
Patent number
8,000,627
Issue date
Aug 16, 2011
Ricoh Company, Ltd.
Haruji Mizuishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant applicator and image forming apparatus including same
Patent number
7,953,363
Issue date
May 31, 2011
Ricoh Company, Ltd.
Kenji Honjoh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Process cartridge and image forming apparatus for effectively clean...
Patent number
7,949,281
Issue date
May 24, 2011
Ricoh Company Limited
Takaya Muraishi
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
Electrophotographic photoreceptor, photoreceptor supporting device,...
Patent number
7,844,198
Issue date
Nov 30, 2010
Ricoh Company, Ltd.
Nobuo Kuwabara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, lubricant applying device, transfer device...
Patent number
7,826,786
Issue date
Nov 2, 2010
Ricoh Company, Limited
Takeo Suda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device, process cartridge, and image forming apparatus
Patent number
7,711,308
Issue date
May 4, 2010
Ricoh Company, Ltd.
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging device including charging roller and cleaning roller
Patent number
7,680,429
Issue date
Mar 16, 2010
Ricoh Company, Ltd.
Muraishi Takaya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for image forming and effectively applying lub...
Patent number
7,672,635
Issue date
Mar 2, 2010
Ricoh Co., Ltd.
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and toner
Patent number
7,539,451
Issue date
May 26, 2009
Ricoh Company Ltd.
Masanori Kawasumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20130243444
Publication date
Sep 19, 2013
Shinya KARASAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20130243478
Publication date
Sep 19, 2013
RICOH COMPANY, LTD.
Michiya OKAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
WASTE TONER CONTAINER AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20120237230
Publication date
Sep 20, 2012
RICOH COMPANY, LTD.
Shinya Karasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Lubricant Supplying Device, Process Cartridge, And Image Forming Ap...
Publication number
20120195661
Publication date
Aug 2, 2012
RICOH COMPANY, LIMITED
Shinya Karasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Charging Device, Process Cartridge Incorporating Same, And Image Fo...
Publication number
20120107012
Publication date
May 3, 2012
RICOH COMPANY, LTD.
Ken Amemiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Waste toner container and image forming apparatus incorporating same
Publication number
20120014728
Publication date
Jan 19, 2012
RICOH COMPANY, LTD.
Shinya Karasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and process cartridge incorporated therein
Publication number
20110311277
Publication date
Dec 22, 2011
RICOH COMPANY, LTD.
Takuma Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Lubricant applicator, process cartridge, transfer unit, and image f...
Publication number
20110274474
Publication date
Nov 10, 2011
RICOH COMPANY, LTD.
Yuji Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND TONER
Publication number
20110262179
Publication date
Oct 27, 2011
Haruji Mizuishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Lubricant applying device, process cartridge, and image forming app...
Publication number
20110217101
Publication date
Sep 8, 2011
RICOH COMPANY, LIMITED
Michiya Okamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Lubricant applicator, process unit including the lubricant applicat...
Publication number
20110123239
Publication date
May 26, 2011
Ricoh Company, Ltd.
Yuta Azeyanagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Waste-toner collecting device, process cartridge, and image forming...
Publication number
20110097124
Publication date
Apr 28, 2011
Ricoh Company, Limited
Toshio Koike
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Lubricant applicator, image forming apparatus, and method of mounti...
Publication number
20110076075
Publication date
Mar 31, 2011
Ricoh Company, Limited
Yuji Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning device, process cartridge, and image forming apparatus
Publication number
20100316422
Publication date
Dec 16, 2010
Ricoh Company Ltd.
Ken Amemiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Collection container, cleaning unit, and image forming apparatus ca...
Publication number
20100080600
Publication date
Apr 1, 2010
Ricoh Company, Ltd.
Michiya Okamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning device including cleaning mechanism having noise reduction...
Publication number
20100074665
Publication date
Mar 25, 2010
Ricoh Company, Ltd.
Michiya Okamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartridge and image forming apparatus employing same
Publication number
20100034557
Publication date
Feb 11, 2010
Ricoh Company, Ltd.
Yuji Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LUBRICANT APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20100021205
Publication date
Jan 28, 2010
Kenji Honjoh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
LUBRICANT APPLYING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APP...
Publication number
20090241830
Publication date
Oct 1, 2009
Toshio Koike
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PHOTORECEPTOR SUPPORTING DEVICE,...
Publication number
20090180801
Publication date
Jul 16, 2009
Nobuo Kuwabara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
WASTE TONER STORAGE UNIT AND IMAGE FORMING APPARATUS USING SAME
Publication number
20090097879
Publication date
Apr 16, 2009
Hiroyuki Nagashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING DEVICE INCLUDING CHARGING ROLLER AND CLEANING ROLLER
Publication number
20090087213
Publication date
Apr 2, 2009
Muraishi Takaya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
USED TONER COLLECTION DEVICE AND IMAGE FORMING APPARATUS
Publication number
20080226333
Publication date
Sep 18, 2008
Hiroshi ONO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD AND APPARATUS FOR IMAGE FORMING AND EFFECTIVELY APPLYING LUB...
Publication number
20080175635
Publication date
Jul 24, 2008
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS FOR EFFECTIVELY CLEAN...
Publication number
20080124117
Publication date
May 29, 2008
Takaya MURAISHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20080069615
Publication date
Mar 20, 2008
Takeshi SHINTANI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20080063448
Publication date
Mar 13, 2008
Yoshiki Hozumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Charging Device, Process Cartridge, Image Forming Apparatus, And Toner
Publication number
20070196123
Publication date
Aug 23, 2007
Haruji Mizuishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, lubricant applying device, transfer device...
Publication number
20070183824
Publication date
Aug 9, 2007
Takeo Suda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning unit, process cartridge, image forming apparatus, and toner
Publication number
20070036595
Publication date
Feb 15, 2007
Ken Amemiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY