Patents by Inventor Yoshikuni Arahata

Yoshikuni Arahata 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).

  • Gas-insulated electric device
    Patent number: 4565901
    Abstract: A gas-insulated electric device comprising an electric conductor disposed in a sealed vessel filled with an insulating gas, the conductor being supported by a solid insulating member. The insulating gas is a nitrilic fluorocarbon compound or a mixture of a nitrilic fluorocarbon compound and SF.sub.6. In this device, the dielectric strength is increased. Accordingly, the size of the device can be decreased.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: January 21, 1986
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Koichi Hirooka, Setsuyuki Matsuda, Yoshikuni Arahata