Patents by Inventor Takehito Yanai

Takehito Yanai 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-insulated electric power apparatus
    Patent number: 7835140
    Abstract: The present invention provides a gas-insulated electric apparatus which includes: a vertically-arranged gas insulation main tank; a first gas insulation branch pipe connected to and making right angle with the gas insulation main tank; a second gas insulation branch pipe connected to and making right angle with the gas insulation main tank; a breaker manipulator which is arranged on an upper side of the main tank, a feeder-side current transformer which is incorporated in the first gas insulation branch pipe; a voltage transformer arranged on the first gas insulation branch pipe; and an arrestor arranged on the first gas insulation branch pipe and connected with the feeder.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: November 16, 2010
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masataka Mori, Takehito Yanai, Takuya Otsuka
  • GAS-INSULATED ELECTRIC POWER APPARATUS
    Publication number: 20090116176
    Abstract: The present invention provides a gas-insulated electric apparatus which includes: a vertically-arranged gas insulation main tank; a first gas insulation branch pipe connected to and making right angle with the gas insulation main tank; a second gas insulation branch pipe connected to and making right angle with the gas insulation main tank; a breaker manipulator which is arranged on an upper side of the main tank, a feeder-side current transformer which is incorporated in the first gas insulation branch pipe; a voltage transformer arranged on the first gas insulation branch pipe; and an arrestor arranged on the first gas insulation branch pipe and connected with the feeder.
    Type: Application
    Filed: June 19, 2006
    Publication date: May 7, 2009
    Applicant: Mitsubishi Electric corporation
    Inventors: Masataka Mori, Takehito Yanai, Takuya Otsuka