TREA

Naotake Oneyama

Follow

Person

  • Soka, JA
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Poppet type change-over valve assembly
    • Patent number 3,955,597
    • Issue date May 11, 1976
    • Shoketsu Kinzoku Kogyo Kabushiki Kaisha
    • Naotake Oneyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...