Patents by Inventor Yu Kumekawa

Yu Kumekawa 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 vehicle and fuel gas detector for fuel cell
    Patent number: 10964960
    Abstract: A fuel cell stack is located in a front room of a fuel cell vehicle. The fuel cell stack is connected to a fuel gas guide passage extending to a widthwise central part in front of a windshield of the fuel cell vehicle. When a fuel gas is leaked from the fuel cell stack, the fuel gas is guided by the fuel gas guide passage and discharged from a discharge outlet formed in the widthwise central part through an opening formed in a hollow cover to the outside. The fuel gas guide passage is connected to a filter case in a fuel gas detector for fuel cells.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 30, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yuki Imamura, Yu Kumekawa
  • FUEL CELL VEHICLE AND FUEL GAS DETECTOR FOR FUEL CELL
    Publication number: 20190305340
    Abstract: A fuel cell stack is located in a front room of a fuel cell vehicle. The fuel cell stack is connected to a fuel gas guide passage extending to a widthwise central part in front of a windshield of the fuel cell vehicle. When a fuel gas is leaked from the fuel cell stack, the fuel gas is guided by the fuel gas guide passage and discharged from a discharge outlet formed in the widthwise central part through an opening formed in a hollow cover to the outside. The fuel gas guide passage is connected to a filter case in a fuel gas detector for fuel cells.
    Type: Application
    Filed: March 29, 2019
    Publication date: October 3, 2019
    Inventors: Yuki Imamura, Yu Kumekawa