Patents by Inventor Muthumi Kuroda

Muthumi Kuroda 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: 5122158
    Abstract: A method and device for speeding-up and enhancing the cleaning of soiled parts of clothes by rub-coating with an enzyme-containing liquid detergent by means of a porous body made of heated and sintered synthetic plastic material.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: June 16, 1992
    Assignee: Kao Corporation
    Inventors: Muthumi Kuroda, Akira Suzuki, Kazuo Iguchi, Yumio Nakasone