Patents by Inventor Takashi Fukutsuka

Takashi Fukutsuka 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).

  • Carbon brush for fuel pump and method for manufacturing same
    Patent number: 9337599
    Abstract: A carbon brush for a fuel pump includes a brush body and a lead wire connected to the brush body, and the brush body has carbon and polyether ether ketone as main components. Abnormal wear does not occur even if a fuel pump motor is operated at a high voltage.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: May 10, 2016
    Assignees: Denso Corporation, TRIS Inc.
    Inventors: Makoto Nishio, Shinya Nakagawa, Kiyotoshi Oi, Youichi Murakami, Takashi Fukutsuka, Ryouichi Honbo
  • Carbon commutator and a method for production thereof
    Patent number: 9024504
    Abstract: A segment of a carbon commutator includes a carbon layer on a surface side and a metallic carbon layer on a bottom side, and the carbon layer and the metallic carbon layer both contain a thermoplastic resin binder.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: May 5, 2015
    Assignees: Denso Corporation, Tris Inc.
    Inventors: Makoto Nishio, Shinya Nakagawa, Yuya Nishino, Kenzo Kiyose, Takashi Fukutsuka
  • Carbon Brush for Fuel Pump and Method for Manufacturing Same
    Publication number: 20130300251
    Abstract: A carbon brush for a fuel pump includes a brush body and a lead wire connected to the brush body, and the brush body has carbon and polyether ether ketone as main components. Abnormal wear does not occur even if a fuel pump motor is operated at a high voltage.
    Type: Application
    Filed: December 15, 2011
    Publication date: November 14, 2013
    Applicants: DENSO CORPORATION, TRIS INC.
    Inventors: Makoto Nishio, Shinya Nakagawa, Kiyotoshi Oi, Youichi Murakami, Takashi Fukutsuka, Ryouichi Honbo
  • Carbon Commutator and a Method for Production Thereof
    Publication number: 20120194029
    Abstract: A segment of a carbon commutator includes a carbon layer on a surface side and a metallic carbon layer on a bottom side, and the carbon layer and the metallic carbon layer both contain a thermoplastic resin binder.
    Type: Application
    Filed: January 26, 2012
    Publication date: August 2, 2012
    Applicants: DENSO CORPORATION, TRIS INC.
    Inventors: Makoto Nishio, Shinya Nakagawa, Yuya Nishino, Kenzo Kiyose, Takashi Fukutsuka