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Kenji Okamura

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  • Fukuoka-shi Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrode for spot welding
    • Patent number 8,471,169
    • Issue date Jun 25, 2013
    • Nippon Tungsten Co., Ltd.
    • Shingo Mukae
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Shield material
    • Patent number 7,518,137
    • Issue date Apr 14, 2009
    • Nippon Tungsten Co. Ltd
    • Kenji Okamura
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    High-density composite material
    • Patent number 7,304,105
    • Issue date Dec 4, 2007
    • Nippon Tungsten Co., Ltd.
    • Yasunao Kai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Electrode for spot welding
    • Publication number 20100193478
    • Publication date Aug 5, 2010
    • NIPPON TUNGSTEN CO., LTD.
    • Shingo Mukae
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Shield material
    • Publication number 20060251203
    • Publication date Nov 9, 2006
    • Kenji Okamura
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    High-density composite material
    • Publication number 20050004290
    • Publication date Jan 6, 2005
    • Yasunao Kai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...