Patents by Inventor Kenichi Shoda

Kenichi Shoda 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).

  • Earthing equipment for switchgear
    Patent number: 7983023
    Abstract: Earthing equipment for a switchgear is comprised of a movable carrying cart, a switch portion, a manipulating portion, and a voltage detecting device. The earthing equipment is provided with: an upper conductor connected to any one of the movable electrode and the stationary electrode; a lower conductor connected to the other of the movable electrode and the stationary electrode, an earthing wire connecting the lower conductor to a terminal used for earthing of the switchgear; and an adaptor conductor being selectively connected to either a disconnection portion at a bus bar side or a disconnection portion at a cable side of the switchgear and is permitted to be selectively replaced on either upper or lower face of the upper conductor.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: July 19, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Kenichi Shoda, Takuya Kurogi, Kenji Tsuchiya, Takumi Ishikawa, Naoki Nakatsugawa
  • EARTHING EQUIPMENT FOR SWITCHGEAR
    Publication number: 20100208416
    Abstract: Arthing equipment for a switchgear is comprised of a movable carrying cart, a switch portion, a manipulating portion, and a voltage detecting device. The earthing equipment is provided with: an upper conductor connected to any one of the movable electrode and the stationary electrode; a lower conductor connected to the other of the movable electrode and the stationary electrode, an earthing wire connecting the lower conductor to a terminal used for earthing of the switchgear; and an adaptor conductor being selectively connected to either a disconnection portion at a bus bar side or a disconnection portion at a cable side of the switchgear and is permitted to be selectively replaced on either upper or lower face of the upper conductor.
    Type: Application
    Filed: February 17, 2010
    Publication date: August 19, 2010
    Applicant: HITACHI, LTD.
    Inventors: Kenichi SHODA, Takuya KUROGI, Kenji TSUCHIYA, Takumi ISHIKAWA, Naoki NAKATSUGAWA