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Noboru Matsushima

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  • Fukushima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing a sealing device
    • Patent number 6,660,206
    • Issue date Dec 9, 2003
    • NOK Corporation
    • Noboru Matsushima
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing a sealing apparatus
    • Patent number 6,401,322
    • Issue date Jun 11, 2002
    • NOK Corporation
    • Noboru Matsushima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device having an annular space between sealing lips
    • Patent number 6,182,975
    • Issue date Feb 6, 2001
    • NOK Corporation
    • Noboru Matsushima
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Crankshaft seal having resilient portion embedded in rigid retainer
    • Patent number 5,588,656
    • Issue date Dec 31, 1996
    • NOK Corporation
    • Noboru Matsushima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number RE35309
    • Issue date Aug 6, 1996
    • NOK Corporation
    • Noboru Matsushima
    • 277 - Seal for a joint or juncture
  • Information Patent Grant

    Sealing device
    • Patent number 5,269,536
    • Issue date Dec 14, 1993
    • NOK Corporation
    • Noboru Matsushima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number 4,981,303
    • Issue date Jan 1, 1991
    • NOK Corporation
    • Noboru Matsushima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing unit
    • Patent number 4,962,936
    • Issue date Oct 16, 1990
    • NOK Corporation
    • Noboru Matsushima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for manufacturing oil seal
    • Patent number 4,867,926
    • Issue date Sep 19, 1989
    • NOK Corporation
    • Noboru Matsushima
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Oil seal with main lip, subsidiary lip and dust lip
    • Patent number 4,550,920
    • Issue date Nov 5, 1985
    • Nippon Oil Seal Industry Co., Ltd.
    • Noboru Matsushima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...