Youichi Ninomiya

Person

  • Nobeoka-shi, Miyazaki-ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valve assembly

    • Patent number 4,411,407
    • Issue date Oct 25, 1983
    • Asahi Yukizai Kogyo Co., Ltd.
    • Youichi Ninomiya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve assembly

    • Patent number 4,286,622
    • Issue date Sep 1, 1981
    • Youichi Ninomiya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Butterfly valve assembly

    • Patent number 4,266,754
    • Issue date May 12, 1981
    • Asahi Yukizai Kogyo Co., Ltd.
    • Youichi Ninomiya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...