Patents by Inventor Tomohiko Hirata

Tomohiko Hirata 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 articles of fluorocarbon resins
    Patent number: 4650815
    Abstract: A process for producing an expanded or foamed body of a fluorocarbon resin comprising molding the resin in a molten state in the presence of a depolymerizable polymer, polyether or polycarbonyloxy compound.
    Type: Grant
    Filed: October 10, 1985
    Date of Patent: March 17, 1987
    Assignee: Daikin Industries, Ltd
    Inventors: Mutsusuke Namba, Osamu Shirasaki, Tomohiko Hirata
  • Developing device for electrophotographic copier
    Patent number: D298255
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: October 25, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomohiko Hirata
  • Electrophotographic copier
    Patent number: D299831
    Type: Grant
    Filed: January 30, 1986
    Date of Patent: February 14, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomohiko Hirata
  • Original feeder for a copying machine
    Patent number: D299833
    Type: Grant
    Filed: May 14, 1986
    Date of Patent: February 14, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomohiko Hirata
  • Pressure plate for a copying machine
    Patent number: D303545
    Type: Grant
    Filed: May 9, 1986
    Date of Patent: September 19, 1989
    Assignee: Canon Kabushiki Kashia
    Inventor: Tomohiko Hirata
  • Editing device for copying machine
    Patent number: D309322
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: July 17, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiko Hirata, Yosuke Ohsawa