Patents by Inventor Yutaka Ikebuchii

Yutaka Ikebuchii 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).

  • Fixing device and image forming apparatus incorporating same having a laminated heater with a flexible heat generation sheet
    Patent number: 8437675
    Abstract: A fixing device includes a pressing member pressed against a fixing member to form a nip between the pressing member and the fixing member through which a recording medium bearing a toner image passes. A heater support provided inside the fixing member supports a laminated heater. The laminated heater is provided between the fixing member and the heater support and includes a flexible, first heat generation sheet that includes an insulating base layer, at least one resistant heat generation layer provided on the base layer to generate heat, and at least one electrode layer provided on the base layer to supply power to the at least one resistant heat generation layer.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: May 7, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenji Ishii, Masaaki Yoshikawa, Hiroshi Yoshinaga, Naoki Iwaya, Yoshiki Yamaguchi, Yutaka Ikebuchii, Tetsuo Tokuda, Takahiro Imada, Takamasa Hase, Toshihiko Shimokawa, Ippei Fujimoto
  • FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
    Publication number: 20110129268
    Abstract: A fixing device includes a pressing member pressed against a fixing member to form a nip between the pressing member and the fixing member through which a recording medium bearing a toner image passes. A heater support provided inside the fixing member supports a laminated heater. The laminated heater is provided between the fixing member and the heater support and includes a flexible, first heat generation sheet that includes an insulating base layer, at least one resistant heat generation layer provided on the base layer to generate heat, and at least one electrode layer provided on the base layer to supply power to the at least one resistant heat generation layer.
    Type: Application
    Filed: November 15, 2010
    Publication date: June 2, 2011
    Inventors: Kenji ISHII, Masaaki Yoshikawa, Hiroshi Yoshinaga, Naoki Iwaya, Yoshiki Yamaguchi, Yutaka Ikebuchii, Tetsuo Tokuda, Takahiro Imada, Takamasa Hase, Toshihiko Shimokawa, Ippei Fujimoto