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Hiroki Iwamatsu

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  • Kobe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grease composition and rolling device
    • Patent number 10,041,540
    • Issue date Aug 7, 2018
    • JTEKT Corporation
    • Koji Yoshizaki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Grease composition and bearing
    • Patent number 8,993,497
    • Issue date Mar 31, 2015
    • Nippon Grease Co., Ltd.
    • Hiroki Iwamatsu
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Rolling bearing
    • Patent number 8,951,945
    • Issue date Feb 10, 2015
    • JTEKT Corporation
    • Koji Yoshizaki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Grease composition
    • Patent number 8,741,823
    • Issue date Jun 3, 2014
    • Nippon Grease Co., Ltd.
    • Hiroki Iwamatsu
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant composition and sealed bearing thereof
    • Patent number 8,044,005
    • Issue date Oct 25, 2011
    • NTN Corporation
    • Hidenobu Mikami
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Grease composition for pivot assembly bearing and bearing for pivot...
    • Patent number 7,696,139
    • Issue date Apr 13, 2010
    • Minebea Co., Ltd.
    • Seiji Okamura
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Grease composition for rolling bearing and rolling bearing using th...
    • Patent number 7,491,683
    • Issue date Feb 17, 2009
    • JTEKT Corporation
    • Hiroshi Komiya
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Grease for rolling bearing and grease-sealed rolling bearing
    • Patent number 6,432,888
    • Issue date Aug 13, 2002
    • Koyo Seiko Co., Ltd.
    • Hiroshi Komiya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Grease to be sealed in bearing
    • Patent number 5,910,470
    • Issue date Jun 8, 1999
    • NTN Corporation
    • Masami Minami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    GREASE COMPOSITION AND ROLLING DEVICE
    • Publication number 20150078687
    • Publication date Mar 19, 2015
    • JTEKT Corporation
    • Koji Yoshizaki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    GREASE COMPOSITION AND ROLLING DEVICE
    • Publication number 20150023622
    • Publication date Jan 22, 2015
    • Koji Yoshizaki
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    GREASE COMPOSITION AND BEARING
    • Publication number 20130137612
    • Publication date May 30, 2013
    • Nippon Grease Co., Ltd.
    • Hiroki IWAMATSU
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    ROLLING BEARING
    • Publication number 20120269472
    • Publication date Oct 25, 2012
    • NIPPON GREASE CO., LTD.
    • Koji YOSHIZAKI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    GREASE COMPOSITION
    • Publication number 20120270762
    • Publication date Oct 25, 2012
    • NIPPON GREASE CO., LTD.
    • Hiroki IWAMATSU
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Heat resistant lithium grease composition and a small motor reduced...
    • Publication number 20090029881
    • Publication date Jan 29, 2009
    • Seiji Okamura
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Lithium Grease Composition Sealed in a Small Motor Bearing to Reduc...
    • Publication number 20080305973
    • Publication date Dec 11, 2008
    • Hiroki Iwamatsu
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Grease composition for pivot assembly bearing and bearing for pivot...
    • Publication number 20070072777
    • Publication date Mar 29, 2007
    • MINEBEA CO., LTD.
    • Seiji Okamura
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Grease composition for rolling bearing and rolling bearing using th...
    • Publication number 20050043190
    • Publication date Feb 24, 2005
    • KOYO SEIKO CO., LTD.
    • Hiroshi Komiya
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Lubricant composition and sealed bearing thereof
    • Publication number 20040242439
    • Publication date Dec 2, 2004
    • Hidenobu Mikami
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...