Tadashi Aoki

Person

  • Aichi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermally color-changeable toy

    • Patent number 5,716,253
    • Issue date Feb 10, 1998
    • The Pilot Ink Co., Ltd.
    • Tadashi Aoki
    • A63 - SPORTS GAMES AMUSEMENTS