Patents by Inventor Yoriyasu Furukawa

Yoriyasu Furukawa 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).

  • Foamed abrasive element and method of producing the same
    Patent number: 4938784
    Abstract: A foamed abrasive element comprises a bond of a crosslinked and hardened unsaturated polyester resin and abrasive grains dispersed in the bond and having a porosity of 10 to 80% and a compressive modulus of 10.sup.2 to 10.sup.5 kg/cm.sup.2. A method of foamed abrasive element is also disclosed.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: July 3, 1990
    Assignee: Toa Seito Kogyo Kabushiki Kaisha
    Inventors: Shinji Murakami, Hikaru Horiuchi, Jiro Miyagawa, Yoriyasu Furukawa