Patents by Inventor Keitaro Yamaguchi

Keitaro Yamaguchi 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).

  • Aluminum plate with thermoplastic resin coating and formed article comprising the same
    Patent number: 6811893
    Abstract: A thermoplastic resin-coated aluminum plate is provided which is less liable to develop ply separation or cracks in a resin coating film during drawing or ironing and on which the resin coating film is less likely to peel off the aluminum plate. A semi-non-porous anodized film is formed on at least one side of the aluminum plate, a coating layer is formed on the semi-non-porous anodized film, and a thermoplastic resin coating film is formed on the coating layer.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: November 2, 2004
    Assignees: Mitsubishi Plastics, Inc., Mitsubishi Aluminum Co., Ltd.
    Inventors: Yoshio Wakayama, Keitaro Yamaguchi, Nobuhiro Sakata
  • Aluminum plate with thermoplastic resin coating and formed article comprising the same
    Publication number: 20030180555
    Abstract: A thermoplastic resin-coated aluminum plate is provided which is less liable to develop ply separation or cracks in a resin coating film during drawing or ironing and on which the resin coating film is less likely to peel off the aluminum plate. A semi-non-porous anodized film is formed on at least one side of the aluminum plate, a coating layer is formed on the semi-non-porous anodized film, and a thermoplastic resin coating film is formed on the coating layer.
    Type: Application
    Filed: May 13, 2003
    Publication date: September 25, 2003
    Inventors: Yoshio Wakayama, Keitaro Yamaguchi, Nobuhiro Sakata