Patents by Inventor Hidehiko Koyata

Hidehiko Koyata 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 SYSTEM
    Publication number: 20100183939
    Abstract: A fuel cell system including a fuel cell stack having stacked cells for generating electricity by an electrochemical reaction between a fuel gas and an oxidizing gas and held between a pair of end plates arranged at both ends in the stacking direction of the cells, and also including a gas-liquid separator for separating a gas and a liquid of an off-gas discharged from the fuel cell stack, wherein the gas-liquid separator is fixed to the end plate. Exhaust heat of the fuel cell stack is effectively used to heat the gas-liquid separator.
    Type: Application
    Filed: September 5, 2007
    Publication date: July 22, 2010
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki Sekine, Norio Yamagishi, Kazuyuki Oikawa, Koji Katano, Yasunobu Jufuku, Hidehiko Koyata