TREA

Non-magnetic inorganic compounds chemically incorporated in magnetic components

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GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G9/00Developers

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G03G9/0834Non-magnetic inorganic compounds chemically incorporated in magnetic components
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrostatic charge image developing carrier, electrostatic charge...
    • Patent number 12,174,583
    • Issue date Dec 24, 2024
    • FUJIFILM Business Innovation Corp.
    • Takuro Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing apparatus, developer for electrophotographic image forma...
    • Patent number 11,934,145
    • Issue date Mar 19, 2024
    • Ricoh Company, Ltd.
    • Minoru Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic core material for electrophotographic developer, carrier f...
    • Patent number 10,969,706
    • Issue date Apr 6, 2021
    • Powdertech Co., Ltd.
    • Hiroki Sawamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Two-component developer for developing electrostatic latent image
    • Patent number 10,437,166
    • Issue date Oct 8, 2019
    • Konica Minolta, Inc.
    • Koji Shibata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing device
    • Patent number 10,324,394
    • Issue date Jun 18, 2019
    • Canon Kabushiki Kaisha
    • Yuta Okuyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 9,971,262
    • Issue date May 15, 2018
    • Canon Kabushiki Kaisha
    • Yusuke Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 9,551,947
    • Issue date Jan 24, 2017
    • Canon Kabushiki Kaisha
    • Shuichi Hiroko
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 9,470,993
    • Issue date Oct 18, 2016
    • Canon Kabushiki Kaisha
    • Koji Nishikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 9,454,096
    • Issue date Sep 27, 2016
    • Canon Kabushiki Kaisha
    • Yusuke Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing apparatus, developing method, image-forming apparatus, a...
    • Patent number 9,354,545
    • Issue date May 31, 2016
    • Canon Kabushiki Kaisha
    • Takashi Matsui
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 9,029,055
    • Issue date May 12, 2015
    • Canon Kabushiki Kaisha
    • Kozue Aoki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing apparatus and developing method
    • Patent number 8,883,389
    • Issue date Nov 11, 2014
    • Canon Kabushiki Kaisha
    • Takashi Matsui
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Developing apparatus and developing method
    • Patent number 8,835,090
    • Issue date Sep 16, 2014
    • Canon Kabushiki Kaisha
    • Takashi Matsui
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 8,518,620
    • Issue date Aug 27, 2013
    • Canon Kabushiki Kaisha
    • Tadashi Dojo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 8,426,094
    • Issue date Apr 23, 2013
    • Canon Kabushiki Kaisha
    • Michihisa Magome
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner and image-forming method
    • Patent number 8,426,091
    • Issue date Apr 23, 2013
    • Canon Kabushiki Kaisha
    • Michihisa Magome
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 8,227,162
    • Issue date Jul 24, 2012
    • Canon Kabushiki Kaisha
    • Tomohisa Sano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 8,124,306
    • Issue date Feb 28, 2012
    • Canon Kabushiki Kaisha
    • Junko Hirata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner
    • Patent number 8,084,174
    • Issue date Dec 27, 2011
    • Canon Kabushiki Kaisha
    • Yusuke Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 7,935,467
    • Issue date May 3, 2011
    • Canon Kabushiki Kaisha
    • Tadashi Dojo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 7,906,266
    • Issue date Mar 15, 2011
    • Canon Kabushiki Kaisha
    • Michihisa Magome
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrostatic latent image developing toner, production method ther...
    • Patent number 7,901,857
    • Issue date Mar 8, 2011
    • Fuji Xerox Co., Ltd.
    • Hiroshi Nakazawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 7,678,524
    • Issue date Mar 16, 2010
    • Canon Kabushiki Kaisha
    • Yusuke Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Black magnetic iron oxide particles having a specific dissolution o...
    • Patent number 7,597,958
    • Issue date Oct 6, 2009
    • Toda Kogyo Corporation
    • Shinji Uemoto
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Magnetic toner and image forming method using the same
    • Patent number 7,582,400
    • Issue date Sep 1, 2009
    • Kyocera Mita Corporation
    • Yukinori Nakayama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Black magnetic iron oxide particles having high breakdown voltage
    • Patent number 7,572,505
    • Issue date Aug 11, 2009
    • Toda Kogyo Corporation
    • Naoki Uchida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic toner
    • Patent number 7,470,494
    • Issue date Dec 30, 2008
    • Canon Kabushiki Kaisha
    • Junko Nishiyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 7,422,832
    • Issue date Sep 9, 2008
    • Canon Kabushiki Kaisha
    • Yoshihiro Ogawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus with a magnetic one-component toner
    • Patent number 7,400,849
    • Issue date Jul 15, 2008
    • Kyocera Mita Corporation
    • Hidekazu Tamura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Magnetic toner
    • Patent number 7,368,211
    • Issue date May 6, 2008
    • Canon Kabushiki Kaisha
    • Yusuke Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVELOPING APPARATUS, DEVELOPER FOR ELECTROPHOTOGRAPHIC IMAGE FORMA...
    • Publication number 20230195004
    • Publication date Jun 22, 2023
    • RICOH COMPANY, LTD.
    • Minoru Masuda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER AND IMAGE FORMING METHOD
    • Publication number 20220350269
    • Publication date Nov 3, 2022
    • Konica Minolta, Inc.
    • Yuya KUBO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ELECTROSTATIC CHARGE IMAGE DEVELOPING CARRIER, ELECTROSTATIC CHARGE...
    • Publication number 20220308485
    • Publication date Sep 29, 2022
    • FUJIFILM Business Innovation Corp.
    • Takuro WATANABE
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    METHOD FOR PRODUCING COBALT FERRITE PARTICLES AND COBALT FERRITE PA...
    • Publication number 20220194813
    • Publication date Jun 23, 2022
    • NITTETSU MINING CO., LTD.
    • Naoki MURATANI
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
    • Publication number 20200033746
    • Publication date Jan 30, 2020
    • Powdertech Co., Ltd.
    • Hiroki SAWAMOTO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20190155182
    • Publication date May 23, 2019
    • Canon Kabushiki Kaisha
    • Hiroki Watanabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TWO-COMPONENT DEVELOPER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE
    • Publication number 20190137902
    • Publication date May 9, 2019
    • Konica Minolta, Inc.
    • Koji Shibata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPING DEVICE
    • Publication number 20180224766
    • Publication date Aug 9, 2018
    • Canon Kabushiki Kaisha
    • Yuta Okuyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC CARRIER, TWO-COMPONENT DEVELOPER, REPLENISHING DEVELOPER,...
    • Publication number 20170227866
    • Publication date Aug 10, 2017
    • Canon Kabushiki Kaisha
    • Nobuyoshi Sugahara
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20150227067
    • Publication date Aug 13, 2015
    • Canon Kabushiki Kaisha
    • Yusuke Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20140302433
    • Publication date Oct 9, 2014
    • Yusuke Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    POSITIVELY CHARGEABLE MAGNETIC TONER AND IMAGE FORMING METHOD
    • Publication number 20130344428
    • Publication date Dec 26, 2013
    • Akinori Koyama
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPING APPARATUS AND DEVELOPING METHOD
    • Publication number 20130164671
    • Publication date Jun 27, 2013
    • Canon Kabushiki Kaisha
    • Takashi Matsui
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20120231384
    • Publication date Sep 13, 2012
    • Canon Kabushiki Kaisha
    • Kozue Aoki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20120045717
    • Publication date Feb 23, 2012
    • Canon Kabushiki Kaisha
    • Shuichi Hiroko
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20110294056
    • Publication date Dec 1, 2011
    • Canon Kabushiki Kaisha
    • Michihisa Magome
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20100266943
    • Publication date Oct 21, 2010
    • Canon Kabushiki Kaisha
    • Tomohisa Sano
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER
    • Publication number 20100028793
    • Publication date Feb 4, 2010
    • Canon Kabushiki Kaisha
    • Yusuke Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20090186288
    • Publication date Jul 23, 2009
    • Canon Kabushiki Kaisha
    • Junko Hirata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20090130580
    • Publication date May 21, 2009
    • Canon Kabushiki Kaisha
    • Tadashi Dojo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    MAGNETIC TONER AND IMAGE-FORMING METHOD
    • Publication number 20090117477
    • Publication date May 7, 2009
    • Canon Kabushiki Kaisha
    • Michihisa Magome
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    DEVELOPING AGENT
    • Publication number 20090053639
    • Publication date Feb 26, 2009
    • Kabushiki Kaisha Toshiba
    • Shoko Shimmura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Black magnetic iron oxide particles
    • Publication number 20080206566
    • Publication date Aug 28, 2008
    • Toda Kogyo Corporation
    • Shinji Uemoto
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    Black magnetic iron oxide particles
    • Publication number 20070254157
    • Publication date Nov 1, 2007
    • Toda Kogyo Corporation
    • Naoki Uchida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MAGNETIC TONER
    • Publication number 20070202424
    • Publication date Aug 30, 2007
    • Canon Kabushiki Kaisha
    • Yoshihiro Ogawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    SINGLE-COMPONENT MAGNETIC TONER AND DEVELOPING UNIT AND IMAGE FORMI...
    • Publication number 20070122726
    • Publication date May 31, 2007
    • KYOCERA MITA CORPORATION
    • Hiroshi Mizuhata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Magnetic toner
    • Publication number 20070072102
    • Publication date Mar 29, 2007
    • Cannon Kabushiki Kaisha
    • Tadashi Dojo
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Magnetic toner
    • Publication number 20060263710
    • Publication date Nov 23, 2006
    • Canon Kabushiki Kaisha
    • Yusuke Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Magnetic Monocomponent developing toner and image forming method
    • Publication number 20060240347
    • Publication date Oct 26, 2006
    • Koji Kuramashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Electrostatic latent image developing toner, production method ther...
    • Publication number 20060210899
    • Publication date Sep 21, 2006
    • FUJI XEROX CO., LTD
    • Hiroshi Nakazawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY