Patents by Inventor Takehiro Naoki

Takehiro Naoki 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).

  • Fuel cell separator and fuel cell
    Patent number: 9692063
    Abstract: A fuel cell separator comprises a first plate and a second plate. The first plate has a plurality of first projections protruded toward the second plate to define reactive gas flow paths, the second plate has a plurality of second projections protruded toward the first plate to define reactive gas flow paths. A top of each of the plurality of first projections is in contact with an intermediate part between adjacent two of the plurality of second projections formed on the second plate, and a top of each of the plurality of second projections is in contact with an intermediate part between adjacent two of the plurality of first projections formed on the first plate.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: June 27, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takehiro Naoki
  • FUEL CELL SEPARATOR AND FUEL CELL
    Publication number: 20110212385
    Abstract: A fuel cell separator comprises a first plate and a second plate. The first plate has a plurality of first projections protruded toward the second plate to define reactive gas flow paths, the second plate has a plurality of second projections protruded toward the first plate to define reactive gas flow paths. A top of each of the plurality of first projections is in contact with an intermediate part between adjacent two of the plurality of second projections formed on the second plate, and a top of each of the plurality of second projections is in contact with an intermediate part between adjacent two of the plurality of first projections formed on the first plate.
    Type: Application
    Filed: January 22, 2009
    Publication date: September 1, 2011
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takehiro Naoki