Patents by Inventor Mariko AKIYAMA

Mariko AKIYAMA 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).

  • ROCKET ENGINE
    Publication number: 20230213004
    Abstract: A rocket engine comprises a combustion chamber and a rocket nozzle that communicates with the combustion chamber. A metal wire supply device supplies a metal wire, which is fuel, to the combustion chamber. A water vapor generator supplies water vapor as an oxidant to the combustion chamber. An ignition device ignites the metal wire in a water vapor atmosphere.
    Type: Application
    Filed: March 8, 2023
    Publication date: July 6, 2023
    Inventors: Hiroyuki KOIZUMI, Mariko AKIYAMA, Keita NISHII, Masaya MUROHARA, Yoshihito MANNAMI