Patents by Inventor Koki NANKAI

Koki NANKAI 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).

  • Rail Vehicle and Manufacturing Method for Rail Vehicle
    Publication number: 20240400118
    Abstract: A rail vehicle has a return flow path structure formed by a lower tube portion, an upper tube portion, a seat, and an opening or a notch of a seat base. When air flows from the inside of a vehicle cabin to an exhaust port connected to an exhaust air flow path under a floor via the return flow path structure, a direction of a flow passing between an outer periphery of the lower tube portion and an inner periphery of the upper tube portion is opposite to a direction of a flow passing through an inner side of the lower tube portion.
    Type: Application
    Filed: May 29, 2024
    Publication date: December 5, 2024
    Inventors: Daisuke MUTO, Yuki OHSHIMA, Narihiro TOMITA, Takashi YOSHIZAWA, Akitoshi MATSUI, Koki NANKAI, Shintaro YABE, Yuki ICHIKI