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Masaru Arakawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Damper device
    • Patent number 7,065,829
    • Issue date Jun 27, 2006
    • Nifco Inc.
    • Syunsuke Okabayashi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rotary damper
    • Patent number 4,893,522
    • Issue date Jan 16, 1990
    • Nifco, Inc.
    • Masaru Arakawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Screw grommet
    • Patent number 4,704,059
    • Issue date Nov 3, 1987
    • Nifco Inc.
    • Daiji Nakama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of high frequency welding
    • Patent number 4,701,229
    • Issue date Oct 20, 1987
    • Nifco Inc.
    • Masaru Arakawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rotary damper
    • Patent number 4,691,811
    • Issue date Sep 8, 1987
    • Nifco Inc.
    • Masaru Arakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous rotary damper
    • Patent number 4,691,589
    • Issue date Sep 8, 1987
    • Nifco Inc.
    • Masaru Arakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cam groove latch device
    • Patent number 4,660,871
    • Issue date Apr 28, 1987
    • Nifco, Inc.
    • Masaru Arakawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Binder for binding a bundle of elongated bodies
    • Patent number 4,484,378
    • Issue date Nov 27, 1984
    • Nifco Inc.
    • Shigeru Kimura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Hinge device
    • Publication number 20050246864
    • Publication date Nov 10, 2005
    • NIFCO INC.
    • Masaru Arakawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Spring unit with damper and opening-closing device
    • Publication number 20050242594
    • Publication date Nov 3, 2005
    • NIFCO INC.
    • Masaru Arakawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Damper device
    • Publication number 20050023089
    • Publication date Feb 3, 2005
    • Nifco Inc.
    • Syunsuke Okabayashi
    • B60 - VEHICLES IN GENERAL