Patents by Inventor Yoshiharu Shiroki

Yoshiharu Shiroki 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).

  • Cleaning mat and manufacturing method for the same
    Publication number: 20030046785
    Abstract: A cleaning mat provided with a single rubber layer including many extra-fine short fibers. The extra-fine short fibers are undirectionally protruding from a surface of the rubber layer to form brush-like protruding portions. The cleaning mat is made by polishing the surface of the rubber layer composed of a mixture of raw rubber material and the extra-fine short fibers.
    Type: Application
    Filed: September 7, 2001
    Publication date: March 13, 2003
    Applicant: MEIWA RUBBER CO., LTD.
    Inventors: Yoshiharu Shiroki, Hiroshi Koda