Patents by Inventor Tsuneo Wachi

Tsuneo Wachi 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: 4229468
    Abstract: A skin treatment cosmetic composition comprises an active ingredient of carboxyethyl germanium sesquioxide having the formula(Ge.CH.sub.2 CH.sub.2.COOH).sub.2 O.sub.3or an alkali metal salt, an ammonium salt, an amine salt or an amide derivative thereof with a vehicle for cosmetic.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: October 21, 1980
    Assignees: Asai Germanium Research Institute, Pola Chemical Industries, Inc
    Inventors: Kohei Miyao, Yoshitaka Ito, Tsuneo Wachi