Patents by Inventor Miwako Oka

Miwako Oka 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).

  • Oral composition
    Patent number: 5348733
    Abstract: An oral composition comprises triclosan, an alkyl sulfate and a water-soluble tin salt, whereby triclosan can be stably formulated to exert its effect.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: September 20, 1994
    Assignee: Lion Corporation
    Inventors: Seiji Morishima, Miwako Oka, Yamazaki Yoji