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Photography
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ELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY
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G03G5/12
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Patents Grants
last 30 patents
Information
Patent Grant
Recording medium and recording device
Patent number
11,294,306
Issue date
Apr 5, 2022
Toshiba Infrastructure Systems & Solutions Corporation
Nobuki Nemoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Digital color chip method
Patent number
10,636,332
Issue date
Apr 28, 2020
John Fred Pangrace
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Filtered photoreceptor
Patent number
5,591,553
Issue date
Jan 7, 1997
Xerox Corporation
Christopher Snelling
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Colored metal plate and process for manufacturing same
Patent number
5,449,579
Issue date
Sep 12, 1995
Ishihara Sangyo Kaisha Ltd.
Yoshio Tarutani
B44 - DECORATIVE ARTS
Information
Patent Grant
Process for two color imaging comprising a photoreceptor having a u...
Patent number
5,362,586
Issue date
Nov 8, 1994
Xerox Corporation
Geoffrey M. T. Foley
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing color images
Patent number
4,988,591
Issue date
Jan 29, 1991
Hoechst Aktiengesellschaft
Detlef Winkelmann
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing electrophotographic liquid developer
Patent number
4,966,825
Issue date
Oct 30, 1990
Fuji Photo Film Co., Ltd.
Nobuo Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for preparing positive and negative images using photoharde...
Patent number
4,859,551
Issue date
Aug 22, 1989
E. I. Du Pont de Nemours and Company
Richard J. Kempf
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photohardenable electrostatic master containing electron acceptor o...
Patent number
4,849,314
Issue date
Jul 18, 1989
E. I. Du Pont de Nemours and Company
Graciela B. Blanchet-Fincher
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for reproducing multi-color image
Patent number
4,839,692
Issue date
Jun 13, 1989
Konishiroku Photo Industry Co., Ltd.
Hisashi Shoji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photohardenable electrostatic master having improved backtransfer a...
Patent number
4,818,660
Issue date
Apr 4, 1989
E. I. Du Pont de Nemours and Company
Graciela B. Blanchet-Fincher
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multi-color image forming method and apparatus
Patent number
4,803,514
Issue date
Feb 7, 1989
Konishiroku Photo Industry Co., Ltd.
Seiichiro Hiratsuka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoreceptor for electrophography, method for the production there...
Patent number
4,794,063
Issue date
Dec 27, 1988
Konishiroku Photo Industry Co., Ltd.
Satoshi Haneda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
4,786,939
Issue date
Nov 22, 1988
Konishiroku Photo Industry Co., Ltd.
Satoshi Haneda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoreceptor for electrophotography and an image-forming process b...
Patent number
4,738,911
Issue date
Apr 19, 1988
Konishiroku Photo Industry Co., Ltd.
Satoshi Haneda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Dye-forming electrically activatable recording element and process
Patent number
4,727,008
Issue date
Feb 23, 1988
Eastman Kodak Company
Mark Lelental
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for reproducing multi-color image and photorec...
Patent number
4,696,880
Issue date
Sep 29, 1987
Konishiroku Photo Industry Co., Ltd.
Hisashi Shoji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic color imaging method
Patent number
4,686,163
Issue date
Aug 11, 1987
Eastman Kodak Company
Yee Seung Ng
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multicolor images using an electron beam
Patent number
4,668,598
Issue date
May 26, 1987
GAF Corporation
Mark L. Moskowitz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic device
Patent number
4,645,330
Issue date
Feb 24, 1987
Kabushiki Kaisha Toshiba
Mitsuaki Kohyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotography using a photosensitive drum with multi-photosens...
Patent number
4,607,934
Issue date
Aug 26, 1986
Kabushiki Kaisha Toshiba
Mitsuaki Kohyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic color copying paper and copying method making u...
Patent number
4,604,337
Issue date
Aug 5, 1986
Olympus Optical Co., Ltd.
Yoshiyuki Mimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of forming a layer of thin film on a substrate having a mult...
Patent number
4,601,922
Issue date
Jul 22, 1986
Konishiroku Photo Industry Co., Ltd.
Yasuo Moroboshi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electrophotographic color proofing element and method for using the...
Patent number
4,600,669
Issue date
Jul 15, 1986
Eastman Kodak Company
Yee S. Ng
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Three color toner kit and method of use
Patent number
4,590,139
Issue date
May 20, 1986
Canon Kabushiki Kaisha
Eiichi Imai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image-receiving color-forming sheet for transfer electrophotography
Patent number
4,550,328
Issue date
Oct 29, 1985
Mitsubishi Paper Mills, Limited
Takao Kosaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multicolor electrophotographic process using TiO.sub.2
Patent number
4,525,441
Issue date
Jun 25, 1985
Ishihara Sangyo Kaisha, Ltd.
Kei Takahata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Composite photosensitive material for use in electrophotography
Patent number
4,521,504
Issue date
Jun 4, 1985
Ricoh Company, Ltd.
Seiitj Sakuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic method for producing black and color separation...
Patent number
4,493,881
Issue date
Jan 15, 1985
Eastman Kodak Company
John D. Mitchell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming particles
Patent number
4,472,490
Issue date
Sep 18, 1984
Matsushita Electric Industrial Co., Ltd.
Keiichi Yubakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
RECORDING MEDIUM AND RECORDING DEVICE
Publication number
20200117122
Publication date
Apr 16, 2020
Toshiba Infrastructure Systems & Solutions Corporation
Nobuki Nemoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY