Patents by Inventor Seizo Uchiyama

Seizo Uchiyama 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).

  • Testing device and testing method
    Patent number: 8610446
    Abstract: A testing device includes a pressure vessel, a mounting stand disposed in an internal space of the pressure vessel, on which a device to be tested is mounted, test electrodes, disposed in the internal space of the pressure vessel, that supply a test voltage to the device to be tested mounted on the mounting stand, and a pressurization unit that raises the pressure of the internal space of the pressure vessel. The test voltage is supplied from the test electrodes to the device to be tested mounted on the mounting stand, and testing of the device to be tested is carried out, in a condition that the pressure of the internal space of the pressure vessel is raised by the pressurization unit.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: December 17, 2013
    Assignee: Fuji Electric Co., Ltd.
    Inventors: Atsushi Yoshida, Hiroyuki Toya, Toru Nishizawa, Seizo Uchiyama
  • Testing device and testing method
    Publication number: 20110309850
    Abstract: A testing device includes a pressure vessel, a mounting stand disposed in an internal space of the pressure vessel, on which a device to be tested is mounted, test electrodes, disposed in the internal space of the pressure vessel, that supply a test voltage to the device to be tested mounted on the mounting stand, and a pressurization unit that raises the pressure of the internal space of the pressure vessel. The test voltage is supplied from the test electrodes to the device to be tested mounted on the mounting stand, and testing of the device to be tested is carried out, in a condition that the pressure of the internal space of the pressure vessel is raised by the pressurization unit.
    Type: Application
    Filed: June 1, 2011
    Publication date: December 22, 2011
    Applicant: Fuji Electric Co., Ltd.
    Inventors: Atsushi Yoshida, Hiroyuki Toya, Toru Nishizawa, Seizo Uchiyama