Patents by Inventor Ryota Yamasaki

Ryota Yamasaki 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).

  • Solid water-in-oil type emulsion cosmetic composition
    Publication number: 20020009471
    Abstract: A stick-type solid water-in-oil type emulsion cosmetic composition having an excellent stability, having a refreshing feeling and freshness after finish when coated on the skin and particularly giving a soft feeling of use when coated, which contains (a) 0.5 to 40.0% by weight of a hydrogenated jojoba oil, (b) 0.1 to 10.0% by weight of a surfactant composed of polyoxyalkylene-modified silicone or alkyl- and polyoxyalkylene-modified silicone and (c) 5.0 to 50.0% by weight of water.
    Type: Application
    Filed: May 31, 2001
    Publication date: January 24, 2002
    Applicant: SHISEIDO COMPANY, LTD.
    Inventors: Ryota Yamasaki, Akihito Yokotsuka, Yukiko Kazama