Patents by Inventor Jinichi Miyaguchi

Jinichi Miyaguchi 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).

  • System for monitoring operating condition of a control rod drive mechanism
    Patent number: 5076996
    Abstract: A system for monitoring an operating condition of a control rod drive mechanism (CRDM) having a pressure housing erectly mounted on a reactor vessel head closure, a vertically movable control rod drive shaft accommodated in the housing and an electromagnetically motive latch mechanism includes an accelerometer fitted to a housing upper end and signal recording means for receiving output signals from the accelerometer through signal processing means and recording the processed output signals.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: December 31, 1991
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Jinichi Miyaguchi, Yoshinori Takada, Shinichi Murakawa, Hiroshi Yatabe