Patents by Inventor TOMOYOSHI KITAMURA

TOMOYOSHI KITAMURA 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 SUPPLY CIRCUIT AND ELECTRONIC DEVICE
    Publication number: 20210218241
    Abstract: A power supply circuit includes a power supply line through which DC power input from a first connector to a second connector is supplied to a power supply that generates a power based on the DC power; a waveform output circuit configured to output a voltage waveform sloped when an arc is occurring between the first connector and the second connector; and a control circuit configured to output to the power supply an instruction for turning off the power supply when a slope of the voltage waveform exceeds a threshold.
    Type: Application
    Filed: November 13, 2020
    Publication date: July 15, 2021
    Applicant: FUJITSU LIMITED
    Inventor: TOMOYOSHI KITAMURA