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Patents Grants
last 30 patents
Information
Patent Grant
Toner container including a toner draining unit and a shutter, and...
Patent number
7,917,055
Issue date
Mar 29, 2011
Ricoh Company, Limited
Goro Katsuyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developer container including mouth member and image forming appara...
Patent number
7,894,753
Issue date
Feb 22, 2011
Ricoh Company, Ltd.
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder container having a cylindrical shutter
Patent number
7,796,914
Issue date
Sep 14, 2010
Ricoh Company, Ltd.
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container for an image forming apparatus
Patent number
7,778,577
Issue date
Aug 17, 2010
Ricoh Company, Ltd.
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, powder supplying unit, toner container, po...
Patent number
7,603,054
Issue date
Oct 13, 2009
Ricoh Company, Limited
Goro Katsuyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Body member of a powder container
Patent number
7,593,674
Issue date
Sep 22, 2009
Ricoh Company, Ltd.
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device replenishing a toner or a carrier of a two-ingred...
Patent number
7,542,703
Issue date
Jun 2, 2009
Ricoh Company, Ltd.
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner supply unit and image forming apparatus
Patent number
7,542,697
Issue date
Jun 2, 2009
Ricoh Company, Ltd.
Junichi Matsumoto
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Powder container for use in an image forming apparatus having an op...
Patent number
7,536,139
Issue date
May 19, 2009
Ricoh Company, Limited
Goro Katsuyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Toner, toner conveying apparatus and method, and image forming appa...
Patent number
7,509,079
Issue date
Mar 24, 2009
Ricoh Company, Ltd.
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container for an image forming apparatus
Patent number
7,450,891
Issue date
Nov 11, 2008
Ricoh Company, Ltd.
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder container having a lower section with multiple parts which r...
Patent number
7,406,278
Issue date
Jul 29, 2008
Ricoh Company, Limited
Goro Katsuyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Toner supply unit and image forming apparatus
Patent number
7,356,290
Issue date
Apr 8, 2008
Ricoh Company, Ltd.
Junichi Matsumoto
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developer container for an image forming apparatus
Patent number
7,346,299
Issue date
Mar 18, 2008
Ricoh Company, Ltd.
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner container configured for toner replenishment through blow system
Patent number
7,277,665
Issue date
Oct 2, 2007
Ricoh Company, Ltd.
Seiji Terazawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image forming device, powder feeding device, toner storage containe...
Patent number
7,277,664
Issue date
Oct 2, 2007
Ricoh Company, Limited
Goro Katsuyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Body member of a powder container
Patent number
7,257,348
Issue date
Aug 14, 2007
Ricoh Company, Ltd.
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Body member of a powder container
Patent number
7,221,891
Issue date
May 22, 2007
Ricoh Company, Ltd.
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner supply unit and image forming apparatus
Patent number
7,209,689
Issue date
Apr 24, 2007
Ricoh Company, Ltd.
Junichi Matsumoto
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Toner supply unit and image forming apparatus
Patent number
7,130,558
Issue date
Oct 31, 2006
Ricoh Company, Ltd.
Junichi Matsumoto
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Powder discharging device and image forming apparatus using the same
Patent number
7,116,928
Issue date
Oct 3, 2006
Ricoh Company, Ltd.
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner supply unit and image forming apparatus
Patent number
7,088,945
Issue date
Aug 8, 2006
Ricoh Company, Ltd.
Junichi Matsumoto
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developer container for an image forming apparatus
Patent number
7,085,522
Issue date
Aug 1, 2006
Ricoh Company, Ltd.
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, toner conveying apparatus and method, and image forming appa...
Patent number
7,076,191
Issue date
Jul 11, 2006
Ricoh Company, Ltd.
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developer replenishing device using the same a...
Patent number
7,065,313
Issue date
Jun 20, 2006
Ricoh Company, Ltd.
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flexible toner container and toner delivery apparatus
Patent number
7,039,346
Issue date
May 2, 2006
Ricoh Company, Ltd.
Seiji Terazawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Fixing device with intermediate toner image transfer medium
Patent number
6,999,710
Issue date
Feb 14, 2006
Ricoh Company, Ltd.
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developer replenishing device using the same a...
Patent number
6,898,405
Issue date
May 24, 2005
Ricoh Company, Ltd.
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including developing device and developer c...
Patent number
6,882,812
Issue date
Apr 19, 2005
Ricoh Company, Ltd.
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container for an image forming apparatus
Patent number
6,871,034
Issue date
Mar 22, 2005
Ricoh Company, Ltd.
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS, POWDER SUPPLYING UNIT, TONER CONTAINER, PO...
Publication number
20090324298
Publication date
Dec 31, 2009
Goro Katsuyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, POWDER SUPPLYING UNIT, TONER CONTAINER, PO...
Publication number
20090129811
Publication date
May 21, 2009
Goro Katsuyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER FOR AN IMAGE FORMING APPARATUS
Publication number
20090080945
Publication date
Mar 26, 2009
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BODY MEMBER OF A POWDER CONTAINER
Publication number
20080310884
Publication date
Dec 18, 2008
JUNICHI MATSUMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER SUPPLY UNIT AND IMAGE FORMING APPARATUS
Publication number
20080152380
Publication date
Jun 26, 2008
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, powder supplying unit, toner container, po...
Publication number
20080069596
Publication date
Mar 20, 2008
Goro Katsuyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE USING A TWO-INGREDIENT TYPE DEVELOPER AND IMAGE F...
Publication number
20080038019
Publication date
Feb 14, 2008
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BODY MEMBER OF A POWDER CONTAINER
Publication number
20070189813
Publication date
Aug 16, 2007
JUNICHI MATSUMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BODY MEMBER OF A POWDER CONTAINER
Publication number
20070122207
Publication date
May 31, 2007
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner Supply Unit And Image Forming Apparatus
Publication number
20070110480
Publication date
May 17, 2007
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, POWDER SUPPLYING UNIT, TONER CONTAINER, PO...
Publication number
20070092303
Publication date
Apr 26, 2007
Goro Katsuyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, toner conveying apparatus and method, and image forming appa...
Publication number
20060251983
Publication date
Nov 9, 2006
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer container for an image forming apparatus
Publication number
20050281592
Publication date
Dec 22, 2005
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming device, powder feeding device, toner storage containe...
Publication number
20050226655
Publication date
Oct 13, 2005
RICOH COMPANY, LIMITED
Goro Katsuyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer container, developer replenishing device using the same a...
Publication number
20050180782
Publication date
Aug 18, 2005
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner supply unit and image forming apparatus
Publication number
20050169673
Publication date
Aug 4, 2005
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer container for an image forming apparatus
Publication number
20050158083
Publication date
Jul 21, 2005
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner container and image forming method and apparatus using the same
Publication number
20040253023
Publication date
Dec 16, 2004
Seiji Terazawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer container, developer replenishing device using the same a...
Publication number
20040247343
Publication date
Dec 9, 2004
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner supply unit and image forming apparatus
Publication number
20040197119
Publication date
Oct 7, 2004
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer container for an image forming apparatus
Publication number
20040197121
Publication date
Oct 7, 2004
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Powder discharging device and image forming apparatus using the same
Publication number
20040179866
Publication date
Sep 16, 2004
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus including developing device and developer c...
Publication number
20040161261
Publication date
Aug 19, 2004
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Body member of a powder container
Publication number
20040131392
Publication date
Jul 8, 2004
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner container and image forming method and apparatus using the same
Publication number
20040091289
Publication date
May 13, 2004
RICOH COMPANY, LTD.
Seiji Terazawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner supply unit and image forming apparatus
Publication number
20040091287
Publication date
May 13, 2004
Junichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device, image forming apparatus and color image forming appa...
Publication number
20040067081
Publication date
Apr 8, 2004
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer container for an image forming apparatus
Publication number
20040033088
Publication date
Feb 19, 2004
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, toner conveying apparatus and method, and image forming appa...
Publication number
20040013963
Publication date
Jan 22, 2004
Satoshi Muramatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device using a two-ingredient type developer and image f...
Publication number
20030235436
Publication date
Dec 25, 2003
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY