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Patents Grants
last 30 patents
Information
Patent Grant
Electrophotographic photoreceptor and electrophotographic imaging a...
Patent number
7,622,232
Issue date
Nov 24, 2009
Samsung Electronics Co., Ltd.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor containing asymmetric naphthalene...
Patent number
7,494,754
Issue date
Feb 24, 2009
Samsung Electronics Co., Ltd.
Beom-jun Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrophotographic photoreceptor containing naphthalenetetracarbox...
Patent number
7,449,270
Issue date
Nov 11, 2008
Samsung Electronics Co., Ltd.
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor containing asymmetrical naphthale...
Patent number
7,432,029
Issue date
Oct 7, 2008
Samsung Electronics Co., Ltd.
Seung-ju Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor containing asymmetrical naphthale...
Patent number
7,413,836
Issue date
Aug 19, 2008
Samsung Electronics Co., Ltd.
Seung-ju Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor containing naphthalenetetracarbox...
Patent number
7,396,624
Issue date
Jul 8, 2008
Samsung Electronics Co., Ltd.
Beom-jun Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Composition for overcoat layer of organophotoreceptor, organophotor...
Patent number
7,354,534
Issue date
Apr 8, 2008
Samsung Electronics Co., Ltd.
Nam-jeong Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electrophotographic photoreceptor using the electron transferring c...
Patent number
7,341,811
Issue date
Mar 11, 2008
Samsung Electronics Co., Ltd.
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phenylazomethylene-cyclohexadienone derivatives comprising electron...
Patent number
7,314,692
Issue date
Jan 1, 2008
Samsung Electronics Co., Ltd.
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Naphthalenetetracarboxylic acid diimide derivatives and electrophot...
Patent number
7,291,429
Issue date
Nov 6, 2007
Samsung Electronics Co., Ltd.
Beom-jun Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrophotographic photoreceptor containing a chelate compound
Patent number
7,217,482
Issue date
May 15, 2007
Samsung Electronics Co., Ltd.
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Composition for overcoat layer of organophotoreceptor, organophotor...
Patent number
7,172,843
Issue date
Feb 6, 2007
Samsung Electronics Co., Ltd.
Nam-jeong Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Double-layered positively-charged organic photoreceptor
Patent number
7,169,519
Issue date
Jan 30, 2007
Samsung Electronics Co., Ltd.
Nam-jeong Lee
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Naphthalenetetracarboxylic acid diimide derivatives and electrophot...
Patent number
7,157,196
Issue date
Jan 2, 2007
Samsung Electronics Co., Ltd.
Seung-ju Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multi-layered electrophotographic positively charged organic photoc...
Patent number
7,115,346
Issue date
Oct 3, 2006
Samsung Electronics Co., Ltd.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Single layered electrophotographic photoreceptor
Patent number
7,083,886
Issue date
Aug 1, 2006
Samsung Electronics Co., Ltd.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polymer having stilbenquinone structure and electrophotographic pho...
Patent number
7,083,883
Issue date
Aug 1, 2006
Samsung Electronics Co., Ltd.
Beom-Jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor for wet development
Patent number
7,078,139
Issue date
Jul 18, 2006
Samsung Electronics Co., Ltd.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Naphthoquinone derivative and electrophotographic photoreceptor con...
Patent number
7,060,405
Issue date
Jun 13, 2006
Samsung Electronics Co., Ltd.
Beom-jun Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Single layered electrophotographic photoreceptor
Patent number
7,045,264
Issue date
May 16, 2006
Samsung Electronics Co., Ltd.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Double-layered positively-charged organic photoreceptor
Patent number
6,949,321
Issue date
Sep 27, 2005
Samsung Electronics Co., Ltd.
Nam-jeong Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Composition for forming overcoat layer for organophotoreceptor usin...
Patent number
6,949,322
Issue date
Sep 27, 2005
Samsung Electronics, Co., Ltd.
Nam-Jeong Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic imaging method
Patent number
6,884,559
Issue date
Apr 26, 2005
Samsung Electronics Co., Ltd.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND ELECTROPHOTOGRAPHIC IMAGING A...
Publication number
20110183243
Publication date
Jul 28, 2011
Samsung Electronics Co., Ltd.
Yong-jin AHN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor, method of preparation, and elect...
Publication number
20080160439
Publication date
Jul 3, 2008
SAMSUNG ELECTRONICS CO., LTD.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OF ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS WITH...
Publication number
20080080895
Publication date
Apr 3, 2008
Samsung Electronics Co., Ltd.
Beom-jun KIM
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Organic photoreceptor and electrophotographic image forming apparat...
Publication number
20080014515
Publication date
Jan 17, 2008
SAMSUNG ELECTRONICS CO., LTD.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Organic photoreceptor for short wavelengths and electrophotographic...
Publication number
20080014520
Publication date
Jan 17, 2008
SAMSUNG ELECTRONICS CO., LTD.
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor and electrophotographic imaging a...
Publication number
20070190439
Publication date
Aug 16, 2007
SAMSUNG ELECTRONICS CO., LTD.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Titanyl phthalocyanine crystal and manufacturing method thereof and...
Publication number
20070105032
Publication date
May 10, 2007
SAMSUNG ELECTRONICS CO., LTD.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor containing naphthalenetetracarbox...
Publication number
20070065740
Publication date
Mar 22, 2007
SAMSUNG ELECTRONICS CO., LTD.
Seung-ju Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor for preventing image deterioratio...
Publication number
20070026327
Publication date
Feb 1, 2007
SAMSUNG ELECTRONICS CO., LTD.
An-kee Lim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Composition for overcoat layer of organophotoreceptor, organophotor...
Publication number
20070026331
Publication date
Feb 1, 2007
Samsung Electronics Co., Ltd.
Nam-jeong Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Electrophotographic photoreceptor for blue-violet exposure light so...
Publication number
20060292468
Publication date
Dec 28, 2006
SAMSUNG ELECTRONICS CO., LTD.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor containing electron transporting...
Publication number
20060292467
Publication date
Dec 28, 2006
SAMSUNG ELECTRONICS CO., LTD.
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor containing naphthalenetetracarbox...
Publication number
20060281020
Publication date
Dec 14, 2006
SAMSUNG ELECTRONICS CO., LTD.
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor containing pyridine-substituted a...
Publication number
20060183043
Publication date
Aug 17, 2006
SAMSUNG ELECTRONICS CO., LTD.
Seung-ju Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Electrophotographic photoreceptor containing asymmetric naphthalene...
Publication number
20060183044
Publication date
Aug 17, 2006
SAMSUNG ELECTRONICS CO., LTD.
Beom-jun Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Electrophotographic photoreceptor containing naphthalenetetracarbox...
Publication number
20060147825
Publication date
Jul 6, 2006
SAMSUNG ELECTRONICS CO., LTD.
Seung-ju Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Composition for overcoat layer of organophotoreceptor, organophotor...
Publication number
20060142444
Publication date
Jun 29, 2006
Samsung Electronics Co., Ltd.
Nam-jeong Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method of making coating composition for producing single layered p...
Publication number
20060003242
Publication date
Jan 5, 2006
Samsung Electronics Co., Ltd.
Hwan-Koo Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Positively-charged electrophotographic organophotoreceptor, and met...
Publication number
20060003243
Publication date
Jan 5, 2006
Samsung Electronics Co., Ltd.
Nam-Jeong Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor containing naphthalenetetracarbox...
Publication number
20050227156
Publication date
Oct 13, 2005
SAMSUNG ELECTRONICS CO., LTD.
Beom-jun Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Electrophotographic photoreceptor and electrophotographic imaging a...
Publication number
20050186492
Publication date
Aug 25, 2005
Samsung Electronics Co., Ltd.
Saburo Yokota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Phenylazomethylene-cyclohexadienone derivatives comprising electron...
Publication number
20050130051
Publication date
Jun 16, 2005
Samsung Electronics Co., Ltd.
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electron transferring compound and electrophotographic photorecepto...
Publication number
20050118519
Publication date
Jun 2, 2005
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Naphthalenetetracarboxylic acid diimide derivatives and electrophot...
Publication number
20050112482
Publication date
May 26, 2005
Beom-jun Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Electrophotographic photoreceptor containing a chelate compound
Publication number
20050112486
Publication date
May 26, 2005
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Naphthalene tetracarboxylic diimide based polymer, electrophotograp...
Publication number
20050031977
Publication date
Feb 10, 2005
Samsung Electronics Co., Ltd.
Seung-ju Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Naphthalenetetracarboxylic diimide derivatives and electrophotograp...
Publication number
20050019685
Publication date
Jan 27, 2005
Samsung Electronics Co., Ltd.
Beom-jun Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Naphthalenetetracarboxylic acid diimide derivatives and electrophot...
Publication number
20050003286
Publication date
Jan 6, 2005
Samsung Electronics Co., Ltd.
Seung-ju Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Naphthoquinone derivative and electrophotographic photoreceptor con...
Publication number
20040156651
Publication date
Aug 12, 2004
Samsung Electronics Co., Ltd.
Beom-jun Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Overcoating composition and organic photoreceptor using the same
Publication number
20040143056
Publication date
Jul 22, 2004
Samsung Electronics Co., Ltd.
Nam-Jeong Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...