Patents by Inventor Takatoshi OTSUBO

Takatoshi OTSUBO 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).

  • Bus bar connection device and switchgear including the same
    Patent number: 9906008
    Abstract: A bus bar connection device for a switchgear has a first bushing with an internal stem conductor whose end is a first connection surface at a nose of the bushing. The bus bar connection device has a second bushing with an internal stem conductor whose end is a second connection surface at a nose of the bushing. The first connection surface of the first bushing is placed opposite the second connection surface of the second bushing, the axis of the first bushing being identical to the axis of the second bushing. A connection element electrically connects the first connection surface with the second connection surface. A cylindrical insulation adapter surrounds the nose of the first bushing, the nose of the second bushing, and the connection element as one.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: February 27, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tadahiro Yoshida, Naoaki Inoue, Takatoshi Otsubo
  • BUS BAR CONNECTION DEVICE AND SWITCHGEAR INCLUDING THE SAME
    Publication number: 20160294174
    Abstract: A bus bar connection device for a switchgear has a first bushing with an internal stem conductor whose end is a first connection surface at a nose of the bushing. The bus bar connection device has a second bushing with an internal stem conductor whose end is a second connection surface at a nose of the bushing. The first connection surface of the first bushing is placed opposite the second connection surface of the second bushing, the axis of the first bushing being identical to the axis of the second bushing. A connection element electrically connects the first connection surface with the second connection surface. A cylindrical insulation adapter surrounds the nose of the first bushing, the nose of the second bushing, and the connection element as one.
    Type: Application
    Filed: October 6, 2014
    Publication date: October 6, 2016
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tadahiro YOSHIDA, Naoaki INOUE, Takatoshi OTSUBO