Patents by Inventor Wataru Ohkawa

Wataru Ohkawa 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: 5026551
    Abstract: A novel weakly acidic bath additive composition comprises carbon dioxide gas or a substance capable of producing carbon dioxide gas and an oily ingredient.The composition promotes the blood circulation due to the effect of carbon dioxide gas present in the bath water. Further, because of an oily ingredient, the skin is supplied by an oil and provided moistened feel after bathing.
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: June 25, 1991
    Assignee: Kao Corporation
    Inventors: Hidenori Yorozu, Yasuteru Eguchi, Wataru Ohkawa, Yasunobu Matsumoto