Patents by Inventor Hiroyuki Shirokawa

Hiroyuki Shirokawa 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).

  • Membrane electrode assembly and fuel cell
    Patent number: 7309542
    Abstract: A membrane electrode assembly includes an anode, a cathode, and a solid polymer electrolyte membrane interposed between the anode and the cathode. The membrane electrode assembly has a substantially rectangular shape as a whole. Extensions extend outwardly from four corners of the membrane electrode assembly. Each of the extensions has an inclined end to have a substantially triangle shape. The membrane electrode assembly has a substantially rectangular power generation area.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: December 18, 2007
    Assignee: Honda Motor Co., Ltd.
    Inventors: Toshiya Wakahoi, Narutoshi Sugita, Shuhei Goto, Takeo Abe, Hiroyuki Shirokawa
  • Membrane electrode assembly and fuel cell
    Publication number: 20050048342
    Abstract: A membrane electrode assembly includes an anode, a cathode, and a solid polymer electrolyte membrane interposed between the anode and the cathode. The membrane electrode assembly has a substantially rectangular shape as a whole. Extensions extend outwardly from four corners of the membrane electrode assembly. Each of the extensions has an inclined end to have a substantially triangle shape. The membrane electrode assembly has a substantially rectangular power generation area.
    Type: Application
    Filed: July 9, 2004
    Publication date: March 3, 2005
    Applicant: Honda Motor Co., Ltd.
    Inventors: Toshiya Wakahoi, Narutoshi Sugita, Shuhei Goto, Takeo Abe, Hiroyuki Shirokawa