Patents by Inventor Minori Hagiwara

Minori Hagiwara 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).

  • Process for adhering a fluororesin film to a metal surface using a primer
    Patent number: 5670010
    Abstract: A process for adhering a fluororesin film to a metal surface, using a primer comprising fluororesin, aluminum flake and more polyether sulfone than polyamideimides.
    Type: Grant
    Filed: July 28, 1995
    Date of Patent: September 23, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Minori Hagiwara, Kenji Kiwa, Tatsuya Ogita, Luc Germain Pierre Joseph D'Haenens
  • Process for coating metal surfaces with a fluororesin using a primer
    Patent number: 5626907
    Abstract: A process for coating a metal surface with a fluororesin, using a primer comprising fluororesin, aluminum flake and more polyether sulfone than polyamideimides.
    Type: Grant
    Filed: July 28, 1995
    Date of Patent: May 6, 1997
    Assignee: E. I. DuPont de Nemours and Company
    Inventors: Minori Hagiwara, Kenji Kiwa, Tatsuya Ogita, Luc G. P. J. D'Haenens
  • Fluorocarbon paint composition
    Patent number: 5376307
    Abstract: A coating composition of a perfluorocarbon resin and an electroconductive double shell pigment comprising inner shells of amorphous silica or a silica-containing material and outer shells of antimony-containing tin oxide is useful on a copy roller or belt.
    Type: Grant
    Filed: September 3, 1993
    Date of Patent: December 27, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Minori Hagiwara, Kenji Kiwa, Laurence W. McKeen