Patents by Inventor Kosuke Yanagi

Kosuke Yanagi 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 circuit breaker
    Patent number: 9570256
    Abstract: A gas circuit breaker includes a hermetically-sealed container filled with an arc extinguishing gas, a fixed contact arranged within the container, a movable contact arranged to face the fixed contact and configured to move in an axial direction of the container, the movable contact capable of contacting or separating from the fixed contact, an insulating operation rod having one end connected to an end of the movable contact opposite to the fixed contact through a link at an angle of about 90 degrees with respect to the movable contact, and an actuator arranged in a substantially coaxial relationship with the insulating operation rod, the actuator including an output shaft transferring a driving force for the operation of the movable contact to the other end of the insulating operation rod.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: February 14, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kosuke Yanagi, Kozo Matsushita, Atsushi Nakagawa
  • GAS CIRCUIT BREAKER
    Publication number: 20150027985
    Abstract: A gas circuit breaker includes a hermetically-sealed container filled with an arc extinguishing gas, a fixed contact arranged within the container, a movable contact arranged to face the fixed contact and configured to move in an axial direction of the container, the movable contact capable of contacting or separating from the fixed contact, an insulating operation rod having one end connected to an end of the movable contact opposite to the fixed contact through a link at an angle of about 90 degrees with respect to the movable contact, and an actuator arranged in a substantially coaxial relationship with the insulating operation rod, the actuator including an output shaft transferring a driving force for the operation of the movable contact to the other end of the insulating operation rod.
    Type: Application
    Filed: June 17, 2014
    Publication date: January 29, 2015
    Inventors: Kosuke Yanagi, Kozo Matsushita, Atsushi Nakagawa