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Kouji Yokoyama

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  • Yokohama-shi, Kanagawa, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MELANOGENESIS INHIBITOR COMPRISING D-PANTOTHENYL ALCOHOL, AND SKIN-...
    • Publication number 20170119638
    • Publication date May 4, 2017
    • POLA CHEMICAL INDUSTRIES, INC.
    • Chihiro Kondo
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MELANIN PRODUCTION INHIBITOR
    • Publication number 20150328107
    • Publication date Nov 19, 2015
    • Pola Chemical Industries Inc.
    • Kouji Yokoyama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MELANIN PRODUCTION INHIBITOR
    • Publication number 20140363389
    • Publication date Dec 11, 2014
    • Kouji Yokoyama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MELANIN PRODUCTION INHIBITOR
    • Publication number 20110243865
    • Publication date Oct 6, 2011
    • POLA CHEMICAL INDUSTRIES INC.
    • Kouji Yokoyama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    SKIN-WHITENING COSMETIC
    • Publication number 20090054515
    • Publication date Feb 26, 2009
    • Pola Chemical Industries Inc.
    • Takayuki Katagiri
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE