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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus
Patent number
9,395,659
Issue date
Jul 19, 2016
Ricoh Company, Ltd.
Shinya Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Static eliminator and image forming apparatus including same
Patent number
9,198,268
Issue date
Nov 24, 2015
Ricoh Company, Ltd.
Kazuosa Kuma
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Image forming apparatus and guide therefor capable of reducing tone...
Patent number
8,412,089
Issue date
Apr 2, 2013
Ricoh Company, Ltd.
Kazuchika Saeki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus utilizing both a transfer belt and a direct...
Patent number
8,315,545
Issue date
Nov 20, 2012
Ricoh Company, Ltd.
Kazuhisa Sudo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,249,468
Issue date
Aug 21, 2012
Ricoh Company, Ltd.
Kazuosa Kuma
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Image forming apparatus capable of effectively performing a mainten...
Patent number
8,219,000
Issue date
Jul 10, 2012
Ricoh Company, Ltd.
Kazuosa Kuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developer supplying device, and image forming...
Patent number
8,195,070
Issue date
Jun 5, 2012
Ricoh Company, Ltd.
Hiroshi Hosokawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image forming apparatus
Patent number
8,139,968
Issue date
Mar 20, 2012
Ricoh Company, Ltd.
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developer supplying device, and image forming...
Patent number
8,005,406
Issue date
Aug 23, 2011
Ricoh Company, Ltd.
Hiroshi Hosokawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Lubricant applying device and image forming apparatus
Patent number
7,933,546
Issue date
Apr 26, 2011
Ricoh Company, Ltd.
Takeshi Fukao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and guide therefor capable of reducing tone...
Patent number
7,899,386
Issue date
Mar 1, 2011
Ricoh Co., Ltd.
Kazuchika Saeki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transfer assembly and image forming apparatus including same
Patent number
7,885,588
Issue date
Feb 8, 2011
Ricoh Company Limited
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Neutralization unit and image forming apparatus having a neutraliza...
Patent number
7,848,692
Issue date
Dec 7, 2010
Ricoh Co., Ltd.
Kazuchika Saeki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developer supplying device, and image forming...
Patent number
7,835,673
Issue date
Nov 16, 2010
Ricoh Company, Ltd.
Hiroshi Hosokawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method and apparatus for image forming of effectively detecting ima...
Patent number
7,831,161
Issue date
Nov 9, 2010
Ricoh Company, Ltd.
Yuushi Hirayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for image forming and image developing with an improvemen...
Patent number
7,706,727
Issue date
Apr 27, 2010
Ricoh Company, Ltd.
Kazuosa Kuma
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developer container, developer supplying device, and image forming...
Patent number
7,697,870
Issue date
Apr 13, 2010
Ricoh Company, Ltd.
Hiroshi Hosokawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image forming apparatus capable of providing a stable belt movement...
Patent number
7,627,268
Issue date
Dec 1, 2009
Ricoh Co., Ltd.
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including an operation panel provided on a...
Patent number
7,620,345
Issue date
Nov 17, 2009
Ricoh Company, Ltd.
Hiroshi Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transfer unit and image forming apparatus
Patent number
7,609,998
Issue date
Oct 27, 2009
Ricoh Company, Ltd.
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Desktop color image forming apparatus and method of making the same
Patent number
7,606,521
Issue date
Oct 20, 2009
Ricoh Company, Ltd.
Yuusuke Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developer supplying device, and image forming...
Patent number
7,519,317
Issue date
Apr 14, 2009
Ricoh Company, Ltd.
Hiroshi Hosokawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image forming apparatus and belt unit
Patent number
7,509,073
Issue date
Mar 24, 2009
Ricoh Co., Ltd.
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt device including an annular belt, and an image forming apparat...
Patent number
7,499,665
Issue date
Mar 3, 2009
Ricoh Company, Ltd.
Kazuosa Kuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developer supplying device, and image forming...
Patent number
7,480,476
Issue date
Jan 20, 2009
Ricoh Company, Ltd.
Hiroshi Hosokawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image forming device and mounting member for mounting a toner conta...
Patent number
7,447,469
Issue date
Nov 4, 2008
Ricoh Company, Ltd.
Misaki Uchiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Desktop color image forming apparatus and method of making the same
Patent number
7,406,283
Issue date
Jul 29, 2008
Ricoh Company, Ltd.
Yuusuke Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with pressure applying members that apply p...
Patent number
7,400,851
Issue date
Jul 15, 2008
Ricoh Company, Ltd.
Kazuosa Kuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Desktop color image forming apparatus and method of making the same
Patent number
7,333,749
Issue date
Feb 19, 2008
Ricoh Company, Ltd.
Yuusuke Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developer supplying device, and image forming...
Patent number
7,321,744
Issue date
Jan 22, 2008
Ricoh Company, Ltd.
Hiroshi Hosokawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20160306313
Publication date
Oct 20, 2016
KAZUOSA KUMA
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
TRANSFER ASSEMBLY AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150346643
Publication date
Dec 3, 2015
Takahiro KONISHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
STATIC ELIMINATOR AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150110528
Publication date
Apr 23, 2015
Kazuosa KUMA
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140328604
Publication date
Nov 6, 2014
Shinya TANAKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND GUIDE THEREFOR CAPABLE OF REDUCING TONE...
Publication number
20130177341
Publication date
Jul 11, 2013
Kazuchika SAEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
Publication number
20110249991
Publication date
Oct 13, 2011
Hiroshi Hosokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND GUIDE THEREFOR CAPABLE OF REDUCING TONE...
Publication number
20110103862
Publication date
May 5, 2011
Kazuchika Saeki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
Publication number
20110026973
Publication date
Feb 3, 2011
Hiroshi Hosokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND CONTROL METHOD FOR SAME
Publication number
20100061752
Publication date
Mar 11, 2010
Kazuhisa SUDO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20090317104
Publication date
Dec 24, 2009
Tsutomu KATOH
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20090279906
Publication date
Nov 12, 2009
Kazuosa KUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
Publication number
20090175660
Publication date
Jul 9, 2009
Hiroshi Hosokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LUBRICANT APPLYING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20090169236
Publication date
Jul 2, 2009
Takeshi Fukao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
Publication number
20080286013
Publication date
Nov 20, 2008
Hiroshi Hosokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DESKTOP COLOR IMAGE FORMING APPARATUS AND METHOD OF MAKING THE SAME
Publication number
20080240799
Publication date
Oct 2, 2008
Yuusuke Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TRANSFER ASSEMBLY AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20080175619
Publication date
Jul 24, 2008
Tsutomu KATOH
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Surface-moving-body driving device, belt device, and image forming...
Publication number
20080145102
Publication date
Jun 19, 2008
Ricoh Company, Limited
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
Publication number
20080003021
Publication date
Jan 3, 2008
Hiroshi Hosokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TRANSFER UNIT AND IMAGE FORMING APPARATUS
Publication number
20070286640
Publication date
Dec 13, 2007
Tsutomu KATOH
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS WITH SHEET GUIDING UNIT BETWEEN TRANSFERING...
Publication number
20070248391
Publication date
Oct 25, 2007
Nobuto Yokokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DESKTOP COLOR IMAGE FORMING APPARATUS AND METHOD OF MAKING THE SAME
Publication number
20070242976
Publication date
Oct 18, 2007
Yuusuke Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20070234912
Publication date
Oct 11, 2007
Hiroshi Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer container, developer supplying device, and image forming...
Publication number
20070177905
Publication date
Aug 2, 2007
Hiroshi Hosokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS CAPABLE OF EFFECTIVELY PERFORMING A MAINTEN...
Publication number
20070127947
Publication date
Jun 7, 2007
Kazuosa KUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DESKTOP COLOR IMAGE FORMING APPARATUS AND METHOD OF MAKING THE SAME
Publication number
20070127946
Publication date
Jun 7, 2007
Yuusuke Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS CAPABLE OF PROVIDING A STABLE BELT MOVEMENT...
Publication number
20070127955
Publication date
Jun 7, 2007
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method and apparatus for image forming of effectively detecting ima...
Publication number
20070098423
Publication date
May 3, 2007
Yuushi Hirayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and guide therefor capable of reducing tone...
Publication number
20070098472
Publication date
May 3, 2007
Kazuchika Saeki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
APPARATUS FOR IMAGE FORMING AND IMAGE DEVELOPING WITH AN IMPROVEMEN...
Publication number
20070098455
Publication date
May 3, 2007
Kazuosa Kuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS WITH DETACHABLE POWER-REQUIRING UNIT
Publication number
20070086807
Publication date
Apr 19, 2007
Kazuosa Kuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY