Patents by Inventor Takafumi Hosono

Takafumi Hosono 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).

  • Switch unit and switchgear
    Patent number: 8975550
    Abstract: A switch unit includes a plurality of switches, which are linearly disposed. The movable electrode in one switch and the fixed electrode in another switch are electrically connected to each other.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: March 10, 2015
    Assignee: Hitachi, Ltd.
    Inventors: Daisuke Sugai, Takashi Sato, Tomoaki Utsumi, Takashi Shirone, Kazuhiro Satou, Takafumi Hosono
  • Switch Unit and Switchgear
    Publication number: 20120175234
    Abstract: A switch unit includes a plurality of switches, which are linearly disposed. The movable electrode in one switch and the fixed electrode in another switch are electrically connected to each other.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 12, 2012
    Applicant: Hitachi, Ltd.
    Inventors: Daisuke SUGAI, Takashi Sato, Tomoaki Utsumi, Takashi Shirone, Kazuhiro Satou, Takafumi Hosono