TREA

Nobuo Katayama

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  • Niigata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 7,243,596
    • Issue date Jul 17, 2007
    • Kabushiki Kaisha Rikon
    • Miyuki Usui
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20060169135
    • Publication date Aug 3, 2006
    • Kabushiki Kaisha Riken
    • Miyuki Usui
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Two piece oil control ring with nitrided surface layers
    • Publication number 20040021270
    • Publication date Feb 5, 2004
    • Akiyosi Takizawa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...