Patents by Inventor Tatsuo Miyamae

Tatsuo Miyamae 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).

  • Developer for electrophotography having carrier particles, toner particles and electroconductive fine powders
    Patent number: 4514485
    Abstract: An electrophotographic developer comprises magnetic particles coated with a low surface energy resin, toner particles and electroconductive fine powders. This developer can develop solid areas uniformly and does not form fog.
    Type: Grant
    Filed: August 19, 1982
    Date of Patent: April 30, 1985
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hisayuki Ushiyama, Hisayuki Ochi, Tatsuo Miyamae, Katsutoshi Wakamiya
  • Process for fixing a toner image
    Patent number: 4148937
    Abstract: A process for fixing a toner image formed on a support by means of a heat roller according to the present invention comprises fixing the toner image developed by using a toner containing as the binder resin a styrene-butadiene copolymer containing 70 to 95 mole % of styrene.
    Type: Grant
    Filed: January 12, 1977
    Date of Patent: April 10, 1979
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hisashi Kurachi, Yoshihiro Sakamoto, Kaichi Tsuchiya, Hiroshi Yamakami, Tatsuo Miyamae, Seiji Tomari
  • Developer for developing electrostatic latent images
    Patent number: 4141849
    Abstract: Graphite fluoride is added to a developer for developing electrostatic latent images.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: February 27, 1979
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuo Hasegawa, Hitoshi Touma, Kunio Satomi, Tatsuo Miyamae