Michiyo Akasaka

Person

  • Matsudo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Long wave UV ray absorber

    • Patent number 4,837,010
    • Issue date Jun 6, 1989
    • Kao Corporation
    • Hajime Hotta
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE