Patents by Inventor Yamamoto, Yushin

Yamamoto, Yushin 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 control circuit
    Patent number: 4891744
    Abstract: A control circuit for an a.c. to d.c. power converter, in which the load current of the power converter is detected and averaged, and it is added to the voltage control signal of the voltage control system which controls the converter output voltage to be constant, so that the converter control is less affected by the ripple of the load current.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: January 2, 1990
    Assignee: Mitsubishi Denki Kaubshiki Kaisha
    Inventors: Yamamoto, Yushin, Takeshi Miyashita