TREA

Kazumasa Ayukawa

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  • Nara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thin autotensioner
    • Patent number 7,588,507
    • Issue date Sep 15, 2009
    • Unitta Company
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thin autotensioner
    • Patent number 7,384,355
    • Issue date Jun 10, 2008
    • Unitta Company
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Autotensioner
    • Patent number 6,767,303
    • Issue date Jul 27, 2004
    • Unitta Company
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Autotensioner
    • Patent number 6,497,632
    • Issue date Dec 24, 2002
    • Unitta Company
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Belt tensioner with vibration damping function
    • Patent number 6,264,578
    • Issue date Jul 24, 2001
    • Unitta Company
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Belt tensioner
    • Patent number 5,803,849
    • Issue date Sep 8, 1998
    • Unitta Company
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Belt tensioner
    • Patent number 5,470,280
    • Issue date Nov 28, 1995
    • Unitta Company
    • Kazumasa Ayukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    THIN AUTOTENSIONER
    • Publication number 20080274846
    • Publication date Nov 6, 2008
    • UNITTA COMPANY
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Thin autotensioner
    • Publication number 20050250609
    • Publication date Nov 10, 2005
    • UNITTA COMPANY
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Autotensioner
    • Publication number 20030022746
    • Publication date Jan 30, 2003
    • UNITTA COMPANY
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Thin autotensioner
    • Publication number 20020177499
    • Publication date Nov 28, 2002
    • UNITTA COMPANY
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Autotensioner
    • Publication number 20020010044
    • Publication date Jan 24, 2002
    • UNITTA COMPANY
    • Kazumasa Ayukawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...