Patents by Inventor Mihoko Ohba

Mihoko Ohba 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).

  • Cosmetic composition
    Patent number: 5683704
    Abstract: This invention is to provide a cosmetic composition which comprises dl-.alpha.-tocopheryl 2-L-ascorbyl phosphate phosphate and/or a salt thereof in stabilized condition. The cosmetic composition comprises one or more members of the group consisting of a polyhydric alcohol derivative, urea, and a sub-critical micelle concentration of a nonionic surfactant as formulated with said dl-.alpha.-tocopheryl 2-L-ascorbyl phosphate or salt thereof.
    Type: Grant
    Filed: June 28, 1995
    Date of Patent: November 4, 1997
    Assignee: Senju Pharmaceutical Co., Ltd.
    Inventors: Mihoko Ohba, Haruo Ogawa, Wataru Tokue, Masahiro Matsuoka