Shoji Hayakawa

Person

  • Koga, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe connecting structure

    • Patent number 7,452,004
    • Issue date Nov 18, 2008
    • Sanoh Industrial Co., Ltd.
    • Shoji Hayakawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...