Patents by Inventor Tsunemi Monma

Tsunemi Monma 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).

  • Method for production of a low density polyethylene-lamellar silicate composite material
    Patent number: 6238793
    Abstract: The present invention is a low-density polyethylene-lamellar silicate composite material, and a manufacturing method thereof.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: May 29, 2001
    Assignees: E. I. du Pont de Nemours and Company, Kunimine Industries Company, Ltd.
    Inventors: Tatsuhiro Takahashi, Toshikazu Kobayashi, Tsunemi Monma, Takayuki Arai