Patents by Inventor Hirokazu Ikenoue

Hirokazu Ikenoue 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).

  • Image forming apparatus supplied with controllable bias voltage
    Patent number: 5177549
    Abstract: An image fixing apparatus for fixing a toner image on a recording material includes a pair of rotatable members for forming a nip through which the recording material is passed; and bias voltage applying source for applying a bias voltage to at least one of the rotatable members, wherein the bias voltage is automatically changed in accordance with change of an ambient condition.
    Type: Grant
    Filed: May 15, 1991
    Date of Patent: January 5, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasumasa Ohtsuka, Koichi Tanigawa, Akihiko Takeuchi, Hideo Nanataki, Hideyuki Yano, Takayasu Yuminamochi, Hiroshi Sasame, Hiroto Hasegawa, Tetsuo Saito, Kenji Nagata, Fumitaka Aoki, Hirokazu Ikenoue