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Katsumi Nagano

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Patents Grantslast 30 patents

  • Information Patent Grant

    Lubricating oil composition
    • Patent number 8,889,607
    • Issue date Nov 18, 2014
    • Nippon Steel & Sumikin Chemical Co., Ltd.
    • Tadashi Kuratomi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil composition
    • Patent number 8,889,608
    • Issue date Nov 18, 2014
    • Nippon Steel & Sumikin Chemical Co., Ltd.
    • Tadashi Kuratomi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant base oil
    • Patent number 8,153,569
    • Issue date Apr 10, 2012
    • Nippon Steel Chemical Co., Ltd.
    • Tadashi Kuratomi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Hydrodynamic type oil-impregnated sintered bearing
    • Patent number 8,132,965
    • Issue date Mar 13, 2012
    • NTN Corporation
    • Natsuhiko Mori
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Hydrodynamic type oil-impregnated sintered bearing
    • Patent number 7,988,361
    • Issue date Aug 2, 2011
    • NTN Corporation
    • Natsuhiko Mori
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fluid bearing unit and lubricating oil composition for bearing
    • Patent number 6,903,056
    • Issue date Jun 7, 2005
    • Nippon Steel Chemical Co., Ltd.
    • Katsumi Nagano
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating composition
    • Patent number 6,673,750
    • Issue date Jan 6, 2004
    • NTN Corporation
    • Masakazu Hirata
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil composition for use with sintered porous bearings
    • Patent number 5,631,211
    • Issue date May 20, 1997
    • Kabushiki Kaisha Sankyo Seiki Seisakusho
    • Hisaya Nakagawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating fluid composition for dynamic pressure bearing
    • Patent number 5,629,274
    • Issue date May 13, 1997
    • Sankyo Seiki Mfg. Co., Ltd.
    • Masamichi Hayakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lubricating fluid composition for dynamic pressure bearing
    • Patent number 5,627,147
    • Issue date May 6, 1997
    • Sankyo Seiki Mfg. Co., Ltd.
    • Masamichi Hayakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    LUBRICATING OIL COMPOSITION
    • Publication number 20130005630
    • Publication date Jan 3, 2013
    • Tadashi Kuratomi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITION
    • Publication number 20130005631
    • Publication date Jan 3, 2013
    • Tadashi Kuratomi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    HYDRODYNAMIC TYPE OIL-IMPREGNATED SINTERED BEARING
    • Publication number 20110057527
    • Publication date Mar 10, 2011
    • NTN CORPORATION
    • Natsuhiko Mori
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Lubricant Base Oil
    • Publication number 20090233824
    • Publication date Sep 17, 2009
    • NIPPON STEEL CHEMICAL CO., LTD.
    • Tadashi Kuratomi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Fluid Bearing unit and lubricating oil composition for bearing
    • Publication number 20030153472
    • Publication date Aug 14, 2003
    • Katsumi Nagano
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Lubricating composition
    • Publication number 20030060376
    • Publication date Mar 27, 2003
    • Masakazu Hirata
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...