Yoichiro Koga

Person

  • Okayama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Floating floor

    • Patent number 4,888,927
    • Issue date Dec 26, 1989
    • Daiken Trade & Industry Co., Ltd.
    • Satoshi Yoshimi
    • F24 - HEATING RANGES VENTILATING