Katsumasa Iwaya

Person

  • Oyama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Anti-suntan cosmetic composition

    • Patent number 5,032,390
    • Issue date Jul 16, 1991
    • Kao Corporation
    • Katsumasa Iwaya
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Cosmetic powders

    • Patent number 4,857,308
    • Issue date Aug 15, 1989
    • Kao Corporation
    • Junichi Fukasawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE