Patents by Inventor Kaoru KOUKETSU

Kaoru KOUKETSU 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 conversion device
    Patent number: 12531424
    Abstract: A power conversion device is applicable to a power supply system including a first battery and a second battery having a rated voltage different from a rated voltage of the first battery. The power conversion device includes a charging circuit configured to convert AC power input from an AC power supply into DC power and charge the first battery with the DC power, a voltage converter configured to convert a power supply voltage of the first battery and outputs the converted voltage to the second battery, and an interrupting unit configured to be capable of interrupting a supply of the DC power to the voltage converter during charging of the first battery by the charging circuit.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: January 20, 2026
    Assignee: DENSO CORPORATION
    Inventor: Kaoru Kouketsu
  • POWER CONVERSION DEVICE
    Publication number: 20220263335
    Abstract: A power conversion device is applicable to a power supply system including a first battery and a second battery having a rated voltage different from a rated voltage of the first battery. The power conversion device includes a charging circuit configured to convert AC power input from an AC power supply into DC power and charge the first battery with the DC power, a voltage converter configured to convert a power supply voltage of the first battery and outputs the converted voltage to the second battery, and an interrupting unit configured to be capable of interrupting a supply of the DC power to the voltage converter during charging of the first battery by the charging circuit.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 18, 2022
    Applicant: DENSO CORPORATION
    Inventor: Kaoru KOUKETSU