Kazuichi Umeda

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Cationic surface active agents

    • Patent number 4,385,184
    • Issue date May 24, 1983
    • Hiroyoshi Hamanaka
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...