Patents by Inventor Kunimitsu HANDA

Kunimitsu HANDA 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).

  • POE power supply system
    Patent number: 10908664
    Abstract: A PoE power supply system includes a cable, a power supply device, a power reception device, and a request switch. The power supply device includes a power supply block and a power supply control block. The power supply block is configured to enable a connection state between the power supply device and the cable to be switched. The connection state includes a power supply state in which the power supply device is supplied with power required for operating the power supply device via the cable, and a standby state in which the power supply request signal is receivable by the power supply device via the cable. The power supply control block is configured to switch the connection state to the power supply state in response to receiving a power supply request signal output from the request switch and requesting the power supply device to resume supplying the power.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: February 2, 2021
    Assignee: DENSO CORPORATION
    Inventors: Kunimitsu Handa, Tomohisa Kishigami
  • POE Power Supply System
    Publication number: 20190179390
    Abstract: A PoE power supply system includes a cable, a power supply device, a power reception device, and a request switch. The power supply device includes a power supply block and a power supply control block. The power supply block is configured to enable a connection state between the power supply device and the cable to be switched. The connection state includes a power supply state in which the power supply device is supplied with power required for operating the power supply device via the cable, and a standby state in which the power supply request signal is receivable by the power supply device via the cable. The power supply control block is configured to switch the connection state to the power supply state in response to receiving a power supply request signal output from the request switch and requesting the power supply device to resume supplying the power.
    Type: Application
    Filed: December 6, 2018
    Publication date: June 13, 2019
    Inventors: Kunimitsu HANDA, Tomohisa KISHIGAMI