Patents by Inventor Masatomo Ando

Masatomo Ando 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).

  • Patent number: 6326006
    Abstract: A bathing preparation comprising an alkyl phthalide and/or an alkoxy phthalide and/or an alkylidene phthalide optionally together with carbon dioxide gas or a material capable of generating carbon dioxide gas and an extract of a plant belonging to the family Umbelliferae is disclosed. This bathing preparation has excellent effects of warming, retaining the warmth and accelerating blood circulation.
    Type: Grant
    Filed: May 30, 1996
    Date of Patent: December 4, 2001
    Assignee: Kao Corporation
    Inventors: Hirotaka Sato, Hidenori Yorozu, Masatomo Ando, Yoshinori Nishizawa