Patents by Inventor Hideaki Taniguchi

Hideaki Taniguchi 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).

  • Developing agent for electrophotography with silica and magnetite additives
    Patent number: 4804609
    Abstract: A developing agent for electrophotographic copier contains SiO.sub.2 and/or magnetite in addition to a toner such that talc can be effectively removed from the photoreceptor surface.
    Type: Grant
    Filed: April 29, 1987
    Date of Patent: February 14, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshiaki Imanaka, Hideaki Taniguchi
  • Heat roller for electrophotographic copying machine
    Patent number: 4796049
    Abstract: A surface of a heated fixing roller is coated with a tetrafluoroethylene resin in which pin holes are present in the range of about 5-30 unit/cm.sup.2 and the diameter of the pin holes is in the range of about 5-20 .mu.m.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: January 3, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hideaki Taniguchi, Koichi Moriyama, Osamu Kawasaki, Ken-ichi Iwamoto