Patents by Inventor Eiji Numazawa

Eiji Numazawa 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).

  • POWER SUPPLY SYSTEM
    Publication number: 20140145438
    Abstract: A power supply system is capable of generating electric power by building a roller coaster or the like dedicated for power generation on which a power generator is mounted, providing the roller coaster or the like with positional energy, and converting the given positional energy into kinetic energy, followed by converting the kinetic energy into electric energy.
    Type: Application
    Filed: November 30, 2012
    Publication date: May 29, 2014
    Applicant: FOTORADA CORPORATION
    Inventor: Eiji Numazawa