Patents by Inventor Gen NISHIJIMA

Gen NISHIJIMA 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).

  • Superconducting magnet device and method for limiting current decrease in case of abnormality therein
    Patent number: 11171479
    Abstract: A superconducting magnet device including a superconducting coil formed of a high-temperature superconducting wire, a power supply which supplies current to the superconducting coil, and a protector capable of forming a short-circuit path which short-circuits both ends of the superconducting coil to each other is installed. Current is made to flow from the power supply to the superconducting coil in a superconducting state, and the superconducting coil thereby generates a magnetic field. After the magnetic field is generated, when an abnormality of the superconducting magnet device is detected, or when the power supply and the superconducting coil are disconnected from each other, the short-circuit path is formed by the protector.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: November 9, 2021
    Assignees: RIKEN, NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Masato Takahashi, Hideaki Maeda, Kenjiro Hashi, Gen Nishijima, Shinji Matsumoto, Takashi Noguchi, Tadashi Shimizu
  • SUPERCONDUCTING MAGNET DEVICE AND METHOD FOR LIMITING CURRENT DECREASE IN CASE OF ABNORMALITY THEREIN
    Publication number: 20180233899
    Abstract: A superconducting magnet device including a superconducting coil formed of a high-temperature superconducting wire, a power supply which supplies current to the superconducting coil, and a protector capable of forming a short-circuit path which short-circuits both ends of the superconducting coil to each other is installed. Current is made to flow from the power supply to the superconducting coil in a superconducting state, and the superconducting coil thereby generates a magnetic field. After the magnetic field is generated, when an abnormality of the superconducting magnet device is detected, or when the power supply and the superconducting coil are disconnected from each other, the short-circuit path is formed by the protector.
    Type: Application
    Filed: April 12, 2018
    Publication date: August 16, 2018
    Applicants: RIKEN, National Institute for Materials Science
    Inventors: Masato TAKAHASHI, Hideaki MAEDA, Kenjiro HASHI, Gen NISHIJIMA, Shinji MATSUMOTO, Takashi NOGUCHI, Tadashi SHIMIZU