Patents by Inventor Takamaru YOKOMAKU

Takamaru YOKOMAKU 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).

  • Stationary induction apparatus
    Patent number: 10102966
    Abstract: A stationary induction apparatus includes: an iron core with a shaft portion including a plurality of first electromagnetic steel plates stacked in a stacking direction, the shaft portion having a main surface located at each of both ends of the plurality of first electromagnetic steel plates in the stacking direction; a winding wound around the shaft portion; a first magnetic shield arranged along the main surface, the first magnetic shield being configured by stacking a plurality of second electromagnetic steel plates in a direction orthogonal to the stacking direction of the first electromagnetic steel plates; and a second magnetic shield arranged along the main surface, the second magnetic shield being arranged on each of both sides of the first magnetic shield, the second magnetic shield being configured by stacking a plurality of third electromagnetic steel plates in a direction orthogonal to the stacking direction of the second electromagnetic steel plates.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: October 16, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshinobu Kitagawa, Takamaru Yokomaku, Ryuichi Nishiura
  • STATIONARY INDUCTION APPARATUS
    Publication number: 20170330681
    Abstract: A stationary induction apparatus includes: an iron core with a shaft portion including a plurality of first electromagnetic steel plates stacked in a stacking direction, the shaft portion having a main surface located at each of both ends of the plurality of first electromagnetic steel plates in the stacking direction; a winding wound around the shaft portion; a first magnetic shield arranged along the main surface, the first magnetic shield being configured by stacking a plurality of second electromagnetic steel plates in a direction orthogonal to the stacking direction of the first electromagnetic steel plates; and a second magnetic shield arranged along the main surface, the second magnetic shield being arranged on each of both sides of the first magnetic shield, the second magnetic shield being configured by stacking a plurality of third electromagnetic steel plates in a direction orthogonal to the stacking direction of the second electromagnetic steel plates.
    Type: Application
    Filed: December 8, 2014
    Publication date: November 16, 2017
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshinobu KITAGAWA, Takamaru YOKOMAKU, Ryuichi NISHIURA