Kimio Yoshikawa

Person

  • Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermochromic compositions

    • Patent number 4,620,941
    • Issue date Nov 4, 1986
    • Sakura Color Products Corporation
    • Kimio Yoshikawa
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS