Patents by Inventor Hideki Sogihara

Hideki Sogihara 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).

  • Patent number: 7813847
    Abstract: A power failure section can be accurately detected without depending on a loaded state and application of voltage to the overhead power line can be stopped in a short time when a power failure is detected.
    Type: Grant
    Filed: January 25, 2005
    Date of Patent: October 12, 2010
    Assignee: Mitsubishi Electric Corporation
    Inventor: Hideki Sogihara
  • Publication number: 20080004760
    Abstract: A power failure section can be accurately detected without depending on a loaded state and application of voltage to the overhead power line can be stopped in a short time when a power failure is detected.
    Type: Application
    Filed: January 25, 2005
    Publication date: January 3, 2008
    Applicant: Mitsubishi Electyric Corporation
    Inventor: Hideki Sogihara