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Eiji Akiyama

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical switch
    • Patent number 8,400,703
    • Issue date Mar 19, 2013
    • NEC Corporation
    • Eiji Akiyama
    • G02 - OPTICS
  • Information Patent Grant

    Compressor oil composition
    • Patent number 8,299,006
    • Issue date Oct 30, 2012
    • Nippon Oil Corporation
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Heat treating oil composition
    • Patent number 8,247,360
    • Issue date Aug 21, 2012
    • Nippon Oil Corporation
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil composition
    • Patent number 8,236,740
    • Issue date Aug 7, 2012
    • Nippon Oil Corporation
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil composition for machine tools
    • Patent number 8,232,233
    • Issue date Jul 31, 2012
    • Nippon Oil Corporation
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Metalworking oil composition
    • Patent number 8,227,387
    • Issue date Jul 24, 2012
    • Nippon Oil Corporation
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Hydraulic oil composition
    • Patent number 8,227,388
    • Issue date Jul 24, 2012
    • Nippon Oil Corporation
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Refrigerator oil, compressor oil composition, hydraulic fluid compo...
    • Patent number 8,193,129
    • Issue date Jun 5, 2012
    • Nippon Oil Corporation
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel cartridge, fuel cell and portable electrical appliance includi...
    • Patent number 7,678,485
    • Issue date Mar 16, 2010
    • NEC Corporation
    • Yasutaka Kono
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Fuel cell, fuel cartridge and fuel cell system
    • Patent number 7,645,536
    • Issue date Jan 12, 2010
    • NEC Corporation
    • Eiji Akiyama
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel cell
    • Patent number 7,618,733
    • Issue date Nov 17, 2009
    • NEC Corporation
    • Eiji Akiyama
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Wax composition for forming candles
    • Patent number 6,159,254
    • Issue date Dec 12, 2000
    • Nippon Mitsubishi Oil Corporation
    • Eiji Akiyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing a fluid for traction drive
    • Patent number 4,751,335
    • Issue date Jun 14, 1988
    • Nippon Oil Co., Ltd.
    • Junichi Kubo
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    Heat treating oil composition
    • Publication number 20120053375
    • Publication date Mar 1, 2012
    • NIPPON OIL CORPORATION
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Metal working oil composition
    • Publication number 20120053097
    • Publication date Mar 1, 2012
    • NIPPON OIL CORPORATION
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Lubricating oil composition
    • Publication number 20120053102
    • Publication date Mar 1, 2012
    • NIPPON OIL CORPORATION
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Hydraulic oil composition
    • Publication number 20120053094
    • Publication date Mar 1, 2012
    • NIPPON OIL CORPORATION
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Lubricating oil composition for machine tools
    • Publication number 20120053096
    • Publication date Mar 1, 2012
    • NIPPON OIL CORPORATION
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Compressor oil composition
    • Publication number 20120046205
    • Publication date Feb 23, 2012
    • NIPPON OIL CORPORATION
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    OPTICAL SWITCH
    • Publication number 20100182672
    • Publication date Jul 22, 2010
    • NEC CORPORATION
    • Eiji Akiyama
    • G02 - OPTICS
  • Information Patent Application

    REFRIGERATOR OIL, COMPRESSOR OIL COMPOSITION, HYDRAULIC FLUID COMPO...
    • Publication number 20100093568
    • Publication date Apr 15, 2010
    • Kazuo Tagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Lubricative Composition for Industrial Machinery and Equipment
    • Publication number 20080058235
    • Publication date Mar 6, 2008
    • Katsuya Takigawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Fuel Cell
    • Publication number 20070218340
    • Publication date Sep 20, 2007
    • Eiji Akiyama
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel cell
    • Publication number 20070166587
    • Publication date Jul 19, 2007
    • NEC Corporation
    • Satoshi Nagao
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel cell, fuel cartridge and fuel cell system
    • Publication number 20070166595
    • Publication date Jul 19, 2007
    • NEC Corporation
    • Eiji Akiyama
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel cartridge for fuel cell and fuel cell using the same
    • Publication number 20070154767
    • Publication date Jul 5, 2007
    • NEC Corporation
    • Hidekazu Kimura
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel cartridge for fuel cell and fuel cell using the same
    • Publication number 20070154768
    • Publication date Jul 5, 2007
    • Yoshinori Watanabe
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel cell and method for fabricating same
    • Publication number 20070134531
    • Publication date Jun 14, 2007
    • Hidekazu Kimura
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel cartridge, fuel cell and portable electrical appliance includi...
    • Publication number 20070099056
    • Publication date May 3, 2007
    • NEC Corporation
    • Yasutaka Kono
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    Fuel cell system
    • Publication number 20060292418
    • Publication date Dec 28, 2006
    • Eiji Akiyama
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel cell system, fuel cell operation method, and gas treatment device
    • Publication number 20060166072
    • Publication date Jul 27, 2006
    • Eiji Akiyama
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...