Patents by Inventor Ryoko Ilzuka

Ryoko Ilzuka 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).

  • Publication number: 20040029829
    Abstract: External skin preparations containing one or more members selected from among a fermentation product, which is obtained by treating a bean extract with a microorganism, vitamin A and its derivatives. By potentiating skin cells and accelerating the production of hyaluronic acid, these preparations exert effects of preventing and relieving skin roughness, improving keratin, moistening, and preventing and relieving skin tension failure and wrinkles, thereby efficaciously retarding skin aging.
    Type: Application
    Filed: June 19, 2003
    Publication date: February 12, 2004
    Inventors: Kouji Miyazaki, Satoshi Yoshikawa, Ryoko Ilzuka, Takashi Kinoshita, Naohito Saito, Katsuyoshi Chiba, Naomi Kondo