Yasuhiro Ohsone

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Water-soluble balloon

    • Patent number 5,387,147
    • Issue date Feb 7, 1995
    • Mitsui Co., Ltd.
    • Masatake Ohshima
    • A63 - SPORTS GAMES AMUSEMENTS