TREA

Akira Okayasu

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Resin-made cage and bearing
    • Patent number 8,113,718
    • Issue date Feb 14, 2012
    • NTN Corporation
    • Takashi Ito
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    Resin-Made Cage and Bearing
    • Publication number 20090074339
    • Publication date Mar 19, 2009
    • Takashi Ito
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Cryogenic, ultra high-speed rolling bearing
    • Publication number 20060210208
    • Publication date Sep 21, 2006
    • Ishikawajima-Harima Heavy Industries Co., Ltd.
    • Toyohiko Ota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...