Koichi Sakai

Person

  • Tochigi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal transfer recording medium

    • Patent number 5,290,623
    • Issue date Mar 1, 1994
    • Kao Corporation
    • Shiro Kawahito
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS