Patents by Inventor Takuma SONOBE

Takuma SONOBE 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).

  • Publication number: 20230178768
    Abstract: A fuel cell system performs a first control of stopping power generation of a fuel cell stack by closing a supply-side stop valve during power generation of the fuel cell stack, and a second control of driving an air pump by using surplus power generated in a moving body to thereby discard the surplus power. If a closed state of the supply-side stop valve is detected when the first control and the second control start to be executed, the air pump is driven in a predetermined state.
    Type: Application
    Filed: December 1, 2022
    Publication date: June 8, 2023
    Inventors: Takuma SONOBE, Ryoji SAKAI, Sho AKABORI, Takuto NAKAGAWA