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Plural charge levels of latent image produced
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G03G2215/0495
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PHYSICS
G03
Photography
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ELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY
G03G2215/00
Apparatus for electrophotographic processes
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G03G2215/0495
Plural charge levels of latent image produced
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus having a photosenstive member of high capac...
Patent number
8,326,165
Issue date
Dec 4, 2012
Canon Kabushiki Kaisha
Kenta Kubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus that controls an exposure amount to expose...
Patent number
8,269,811
Issue date
Sep 18, 2012
Canon Kabushiki Kaisha
Takahiro Nakase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method which controls the...
Patent number
8,041,241
Issue date
Oct 18, 2011
Ricoh Company, Ltd.
Akihiro Kawasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Tri-level xerography for hypochromatic colorants
Patent number
8,007,969
Issue date
Aug 30, 2011
Xerox Corporation
David J. Lieberman
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus that controls an exposure amount intensity...
Patent number
7,920,157
Issue date
Apr 5, 2011
Canon Kabushiki Kaisha
Takahiro Nakase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Tri-level tandem xerographic architecture using reduced strength toner
Patent number
7,734,225
Issue date
Jun 8, 2010
Xerox Corporation
Dale R. Mashtare
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Imaging device and methods
Patent number
7,358,980
Issue date
Apr 15, 2008
Hewlett-Packard Development Company, L.P.
Bradley R. Larson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color image forming method and color image forming device
Patent number
6,904,255
Issue date
Jun 7, 2005
Fuji Xerox Co., Ltd.
Hiroshi Kera
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Full-color recorder using potential split developing process
Patent number
6,754,464
Issue date
Jun 22, 2004
Hitachi Koki Co., Ltd.
Teruaki Mitsuya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus having a fringe development preventin...
Patent number
6,556,229
Issue date
Apr 29, 2003
Hitachi Koki Co., Ltd.
Teruaki Mitsuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus having developing device including developi...
Patent number
6,525,753
Issue date
Feb 25, 2003
Ricoh Company, Ltd.
Itaru Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming electrophotography apparatus and magnetic developing...
Patent number
6,487,384
Issue date
Nov 26, 2002
Hitachi Koki Co., Ltd.
Hisao Okada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multi-bit rendering with single color and two-color capability
Patent number
6,466,331
Issue date
Oct 15, 2002
NexPress Solutions LLC
Hwai-Tzuu Tai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for forming a toner image with low toner pile height
Patent number
6,203,953
Issue date
Mar 20, 2001
Xerox Corporation
Edul N. Dalal
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Tandem tri-level xerographic apparatus and method for producing pic...
Patent number
6,188,861
Issue date
Feb 13, 2001
Xerox Corporation
Delmer G. Parker
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic printing apparatus using electric potential div...
Patent number
6,131,000
Issue date
Oct 10, 2000
Hitachi, Ltd.
Shinichi Akatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Two-color image forming apparatus that prevents fringe development
Patent number
6,061,534
Issue date
May 9, 2000
Hitachi Koki Co., Ltd.
Hisao Okada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Enhanced color gamut from 2-pass xerocolography with 2.lambda. imag...
Patent number
6,028,616
Issue date
Feb 22, 2000
Xerox Corporation
Gregory J. Kovacs
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multi-color image forming apparatus having arrangements for reducin...
Patent number
5,893,664
Issue date
Apr 13, 1999
Hitcahi, Ltd.
Takao Kumasaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic recording apparatus and electrostatic recording method
Patent number
5,832,333
Issue date
Nov 3, 1998
Hitachi Koki Co., Ltd.
Takao Umeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development combination exposure and recharge scheme to eliminate d...
Patent number
5,751,437
Issue date
May 12, 1998
Xerox Corporation
Delmer G. Parker
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image formation method and image formation apparatus
Patent number
5,745,818
Issue date
Apr 28, 1998
Hitachi, Ltd.
Takao Kumasaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for removing edge raggedness from images
Patent number
5,742,886
Issue date
Apr 21, 1998
Xerox Corporation
Christopher Snelling
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process and apparatus for achieving customer selectable colors in a...
Patent number
5,557,393
Issue date
Sep 17, 1996
Xerox Corporation
Nancy B. Goodman
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming device for creating a color image having pixel elemen...
Patent number
5,550,626
Issue date
Aug 27, 1996
Hitachi, Ltd.
Shinya Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process color and recharge with the overcoated P/R single pass colo...
Patent number
5,452,074
Issue date
Sep 19, 1995
Xerox Corporation
Donald C. VonHoene
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Single pass digital xerographic process color reproduction
Patent number
5,194,351
Issue date
Mar 16, 1993
Xerox Corporation
George J. Roller
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Single pass digital printer with black, white and 2-color capability
Patent number
5,155,541
Issue date
Oct 13, 1992
Xerox Corporation
Robert P. Loce
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Hybrid development scheme for trilevel xerography
Patent number
5,061,969
Issue date
Oct 29, 1991
Xerox Corporation
Delmer G. Parker
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Highlight printing apparatus
Patent number
5,045,893
Issue date
Sep 3, 1991
Xerox Corporation
Charles H. Tabb
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20120315057
Publication date
Dec 13, 2012
Canon Kabushiki Kaisha
Takahiro Nakase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20110142464
Publication date
Jun 16, 2011
Canon Kabushiki Kaisha
Takahiro Nakase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TRI-LEVEL XEROGRAPHY FOR HYPOCHROMATIC COLORANTS
Publication number
20090305154
Publication date
Dec 10, 2009
Xerox Corporation
David J. LIEBERMAN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20090154946
Publication date
Jun 18, 2009
Canon Kabushiki Kaisha
Takahiro Nakase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FOUR DRUM, EIGHT COLOR TANDEM XEROGRAPHIC ARCHITECTURE
Publication number
20080240788
Publication date
Oct 2, 2008
XEROX Corporation
Dale R. Mashtare
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20080199792
Publication date
Aug 21, 2008
Akihiro Kawasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20070071472
Publication date
Mar 29, 2007
Canon Kabushiki Kaisha
Kenta Kubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method and apparatus for processing halftone in printer employing t...
Publication number
20060268343
Publication date
Nov 30, 2006
SAMSUNG ELECTRONICS CO., LTD.
Sun-Ju Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Imaging device and methods
Publication number
20060165420
Publication date
Jul 27, 2006
Bradley R. Larson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Color image forming method and color image forming device
Publication number
20040136758
Publication date
Jul 15, 2004
Hiroshi Kera
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Full-color recorder using potential split developing process
Publication number
20020150409
Publication date
Oct 17, 2002
Teruaki Mitsuya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and developing unit used therein
Publication number
20020057930
Publication date
May 16, 2002
Hisao Okada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic apparatus
Publication number
20010030680
Publication date
Oct 18, 2001
Teruaki Mitsuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image forming apparatus
Publication number
20010002841
Publication date
Jun 7, 2001
Itaru Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY