Patents by Inventor Qichen WANG

Qichen WANG 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).

  • POWER CONVERTER, AND INVERTER DEVICE INCLUDING THE POWER CONVERTER
    Publication number: 20150180368
    Abstract: In a power converter, in a period in which the polarities of output voltage and output current of a power converter differ, a pulse train voltage corresponding to a PWM signal is output by a first switching element and a second switching element being turned off, one element of a first switch element and a second switch element being turned on, and the other element being turned on and off based on an inverted signal of a PWM signal pulse width modulated in accordance with an output voltage command.
    Type: Application
    Filed: March 4, 2015
    Publication date: June 25, 2015
    Applicant: FUJI ELECTRIC CO., LTD.
    Inventors: Qichen WANG, Satoru FUJITA