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Kohki Ichikawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Powder mixture
    • Patent number 11,352,503
    • Issue date Jun 7, 2022
    • DENKA COMPANY LIMITED
    • Shuji Sasaki
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Powder mixture
    • Patent number 11,306,207
    • Issue date Apr 19, 2022
    • DENKA COMPANY LIMITED
    • Shuji Sasaki
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Power module
    • Patent number 11,094,648
    • Issue date Aug 17, 2021
    • DENKA COMPANY LIMITED
    • Hideki Hirotsuru
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ceramic circuit board
    • Patent number 11,096,278
    • Issue date Aug 17, 2021
    • DENKA COMPANY LIMITED
    • Atsushi Sakai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Phosphor and light-emitting device
    • Patent number 9,401,459
    • Issue date Jul 26, 2016
    • DENKA COMPANY LIMITED
    • Keita Kobayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Phosphor for light-emitting device
    • Patent number 9,309,459
    • Issue date Apr 12, 2016
    • DENKA COMPANY, LIMITED
    • Keita Kobayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for producing aluminum nitride sintered compacts
    • Patent number 7,737,065
    • Issue date Jun 15, 2010
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Takeshi Gotoh
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Aluminum nitride powder and aluminum nitride sintered compact
    • Patent number 7,553,469
    • Issue date Jun 30, 2009
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Takeshi Gotoh
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    BORON NITRIDE POWDER AND RESIN COMPOSITION
    • Publication number 20220073698
    • Publication date Mar 10, 2022
    • Denka Company Limited
    • Yusuke SASAKI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    CERAMIC CIRCUIT BOARD
    • Publication number 20200375029
    • Publication date Nov 26, 2020
    • DENKA COMPANY LIMITED
    • Atsushi SAKAI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER MODULE
    • Publication number 20200373251
    • Publication date Nov 26, 2020
    • DENKA COMPANY LIMITED
    • Hideki HIROTSURU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWDER MIXTURE
    • Publication number 20200181414
    • Publication date Jun 11, 2020
    • DENKA COMPANY LIMITED
    • Shuji SASAKI
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    PHOSPHOR AND LIGHT-EMITTING DEVICE
    • Publication number 20150084079
    • Publication date Mar 26, 2015
    • DENKI KAGAKU KOGYO KABUSHIKI KAISHA
    • Keita Kobayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    PHOSPHOR AND LIGHT-EMITTING DEVICE
    • Publication number 20150054010
    • Publication date Feb 26, 2015
    • DENKI KAGAKU KOGYO KABUSHIKI KAISHA
    • Keita Kobayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ALUMINUM NITRIDE POWDER AND ALUMINUM NITRIDE SINTERED COMPACT
    • Publication number 20090295046
    • Publication date Dec 3, 2009
    • Denki Kagaku Kogyo Kabushiki Kaisha
    • Takeshi Gotoh
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    ALUMINUM NITRIDE POWDER AND ALUMINUM NITRIDE SINTERED COMPACT
    • Publication number 20080200326
    • Publication date Aug 21, 2008
    • DENKI KAGAKU KOGYO KABUSHIKI KAISHA
    • Takeshi Gotoh
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Aluminum nitride powder and aluminum nitride sintered compact
    • Publication number 20070184966
    • Publication date Aug 9, 2007
    • KENKI KAGAKU KOGYO KABUSHIKI KAISHA
    • Takeshi Gotoh
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES