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ELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY
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G03G9/1137
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Patents Grants
last 30 patents
Information
Patent Grant
Toner for electrostatic-image development and method for manufactur...
Patent number
11,281,117
Issue date
Mar 22, 2022
Zeon Corporation
Masashi Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Two-component developer
Patent number
10,969,705
Issue date
Apr 6, 2021
Canon Kabushiki Kaisha
Kazuhisa Shirayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Carrier, developer, image forming apparatus, developer stored unit,...
Patent number
10,234,783
Issue date
Mar 19, 2019
Ricoh Company, Ltd.
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic charge image developing carrier, electrostatic charge...
Patent number
9,733,593
Issue date
Aug 15, 2017
Fuji Xerox Co., Ltd.
Toshiaki Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic latent image developing toner
Patent number
9,389,526
Issue date
Jul 12, 2016
Kyocera Document Solutions Inc.
Yoshio Ozawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing an electrostatic latent image, developer and...
Patent number
9,304,427
Issue date
Apr 5, 2016
Ricoh Company, Ltd.
Hitoshi Iwatsuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier and developer
Patent number
9,285,699
Issue date
Mar 15, 2016
Xerox Corporation
Bernard A. Kelly
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, two-component developer using the same, and image-forming...
Patent number
9,040,217
Issue date
May 26, 2015
Sharp Kabushiki Kaisha
Kazuki Takatsuka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier and two-component developer
Patent number
9,029,060
Issue date
May 12, 2015
Kyocera Document Solutions Inc.
Masami Tujihiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic charge image developing toner, electrostatic charge i...
Patent number
9,005,863
Issue date
Apr 14, 2015
Fuji Xerox Co., Ltd.
Shinpei Takagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing method and image forming method
Patent number
8,877,418
Issue date
Nov 4, 2014
Ricoh Company, Ltd.
Hisashi Nakajima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, developer, image forming method and process cartridge
Patent number
8,728,698
Issue date
May 20, 2014
Ricoh Company, Ltd.
Masashi Nagayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic carrier for electrophotographic developer and process for...
Patent number
8,673,529
Issue date
Mar 18, 2014
Toda Kogyo Corporation
Kaori Kinoshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Ferrite core material for resin-filled type carrier, resin-filled t...
Patent number
8,628,905
Issue date
Jan 14, 2014
Powdertech Co. Ltd.
Hiromichi Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of producing a carrier for electrophotography and method of...
Patent number
8,597,866
Issue date
Dec 3, 2013
Fuji Xerox Co., Ltd.
Sakon Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic image developing carrier, electrostatic image develop...
Patent number
8,580,474
Issue date
Nov 12, 2013
Fuji Xerox Co., Ltd.
Susumu Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, method for preparing the carrier, developer using the carr...
Patent number
8,518,626
Issue date
Aug 27, 2013
Ricoh Company, Limited
Saori Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic latent image developing toner, electrostatic latent i...
Patent number
8,501,380
Issue date
Aug 6, 2013
Fuji Xerox Co., Ltd.
Yuka Ishihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for two-component developer
Patent number
8,481,239
Issue date
Jul 9, 2013
Ricoh Company Limited
Hisashi Nakajima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, method for preparing the carrier, developer using the carr...
Patent number
8,475,989
Issue date
Jul 2, 2013
Ricoh Company, Limited
Yutaka Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, developer, and image forming method
Patent number
8,431,312
Issue date
Apr 30, 2013
Ricoh Company, Ltd.
Minoru Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, developer, developing apparatus and image forming apparatus
Patent number
8,357,480
Issue date
Jan 22, 2013
Sharp Kabushiki Kaisha
Takanori Kamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Coated carrier comprising a magnetic core and particulate resin int...
Patent number
8,298,669
Issue date
Oct 30, 2012
Sharp Kabushiki Kaisha
Yui Kawano
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Resin-coated carrier method of manufacturing the same, two-componen...
Patent number
8,293,446
Issue date
Oct 23, 2012
Sharp Kabushiki Kaisha
Osamu Wada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for electrophotography and two-component developer
Patent number
8,263,302
Issue date
Sep 11, 2012
Ricoh Company, Ltd.
Yoshihiro Moriya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier
Patent number
8,257,896
Issue date
Sep 4, 2012
Ricoh Company, Ltd.
Minoru Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for use in developer developing electrostatic image, develo...
Patent number
8,211,610
Issue date
Jul 3, 2012
Ricoh Company Limited
Kimitoshi Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resin-filled ferrite carrier for electrophotographic developer, pro...
Patent number
8,187,781
Issue date
May 29, 2012
Powdertech Co., Ltd.
Hiromichi Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier and manufacturing method thereof, developer, process cartri...
Patent number
8,178,273
Issue date
May 15, 2012
Ricoh Company, Ltd.
Ryota Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Resin-filled carrier for electrophotographic developer, and electro...
Patent number
8,168,364
Issue date
May 1, 2012
Powdertech Co., Ltd.
Takao Sugiura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TONER FOR ELECTROSTATIC-IMAGE DEVELOPMENT AND METHOD FOR MANUFACTUR...
Publication number
20200348609
Publication date
Nov 5, 2020
Zeon Corporation
Masashi Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER
Publication number
20140134535
Publication date
May 15, 2014
Canon Kabushiki Kaisha
Yoshinobu Baba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE I...
Publication number
20140099579
Publication date
Apr 10, 2014
Shinpei TAKAGI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER AND TWO-COMPONENT DEVELOPER
Publication number
20140087301
Publication date
Mar 27, 2014
KYOCERA DOCUMENT SOLUTIONS INC.
Masami Tujihiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING AN ELECTROSTATIC LATENT IMAGE, DEVELOPER AND...
Publication number
20140072910
Publication date
Mar 13, 2014
Hitoshi IWATSUKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MAGNETIC CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND PROCESS FOR...
Publication number
20120115078
Publication date
May 10, 2012
Kaori Kinoshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING METHOD AND IMAGE FORMING METHOD
Publication number
20120028183
Publication date
Feb 2, 2012
Hisashi NAKAJIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC IMAGE DEVELOPING CARRIER, ELECTROSTATIC IMAGE DEVELOP...
Publication number
20120015291
Publication date
Jan 19, 2012
FUJI XEROX CO., LTD
Susumu YOSHINO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC LATENT IMAGE DEVELOPING TONER, ELECTROSTATIC LATENT I...
Publication number
20110236812
Publication date
Sep 29, 2011
FUJI XEROX CO., LTD
Yuka ISHIHARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, METHOD FOR PREPARING THE CARRIER, DEVELOPER USING THE CARR...
Publication number
20110229817
Publication date
Sep 22, 2011
Saori YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, DEVELOPER, AND IMAGE FORMING METHOD
Publication number
20110217649
Publication date
Sep 8, 2011
Minoru Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, METHOD FOR PREPARING THE CARRIER, DEVELOPER USING THE CARR...
Publication number
20110091802
Publication date
Apr 21, 2011
Yutaka TAKAHASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR TWO-COMPONENT DEVELOPER
Publication number
20110086307
Publication date
Apr 14, 2011
Hisashi NAKAJIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COATED CARRIER AND METHOD OF MANUFACTURING COATED CARRIER
Publication number
20100304144
Publication date
Dec 2, 2010
Yui KAWANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIN-COATED CARRIER METHOD OF MANUFACTURING THE SAME, TWO-COMPONEN...
Publication number
20100279221
Publication date
Nov 4, 2010
Osamu Wada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR USE IN DEVELOPER DEVELOPING ELECTROSTATIC IMAGE, DEVELO...
Publication number
20100239975
Publication date
Sep 23, 2010
Kimitoshi Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER
Publication number
20100233613
Publication date
Sep 16, 2010
Minoru MASUDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD OF PRODUCING A CARRIER FOR ELECTROPHOTOGRAPHY AND METHOD OF...
Publication number
20100233615
Publication date
Sep 16, 2010
FUJI XEROX CO., LTD
Sakon TAKAHASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, METHOD FOR PRODUCING TONER, TWO COMPONENT DEVELOPER, AND IMA...
Publication number
20100104971
Publication date
Apr 29, 2010
PANASONIC CORPORATION
Yasuhito YUASA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR ELECTROPHOTOGRAPHY AND TWO-COMPONENT DEVELOPER
Publication number
20100061759
Publication date
Mar 11, 2010
RICOH COMPANY, LTD.
Yoshihiro MORIYA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIN-FILLED CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTRO...
Publication number
20090263739
Publication date
Oct 22, 2009
POWDERTECH CO., LTD.
Takao SUGIURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIN-FILLED CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND ELECTRO...
Publication number
20090239173
Publication date
Sep 24, 2009
POWDERTECH CO., LTD.
Hiromichi KOBAYASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, DEVELOPER, DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20090226838
Publication date
Sep 10, 2009
Takanori KAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, TWO-COMPONENT DEVELOPER USING THE SAME, AND IMAGE-FORMING...
Publication number
20090226218
Publication date
Sep 10, 2009
Kazuki Takatsuka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, TWO-COMPONENT DEVELOPER CONTAINING CARRIER AND TONER, AND...
Publication number
20090202935
Publication date
Aug 13, 2009
Yoshihiro Moriya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, DEVELOPER, IMAGE FORMING METHOD AND PROCESS CARTRIDGE
Publication number
20090092920
Publication date
Apr 9, 2009
Masashi Nagayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
RESIN-FILLED FERRITE CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, PRO...
Publication number
20080241726
Publication date
Oct 2, 2008
POWDERTECH CO., LTD.
Hiromichi KOBAYASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, method for producing toner, two component developer, and ima...
Publication number
20080206665
Publication date
Aug 28, 2008
Matsushita Electric Industrial Co., Ltd.
Yasuhito Yuasa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER AND MANUFACTURING METHOD THEREOF, DEVELOPER, PROCESS CARTRI...
Publication number
20080063972
Publication date
Mar 13, 2008
Ryota INOUE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Carrier, method for producing the carrier, developer, and image for...
Publication number
20070031750
Publication date
Feb 8, 2007
Chiaki Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY