Patents by Inventor Ito Kenzo

Ito Kenzo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • External dermatological composition
    Patent number: 5478560
    Abstract: An external dermatological composition comprising a salt of L-arginine-L-aspartic acid and a pharmacologically acceptable carrier therefor.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: December 26, 1995
    Assignee: Shiseido Company Ltd.
    Inventors: Naoki Tominaga, Ito Kenzo, Yoshimaru Kumano