Patents by Inventor Takumi INAGAWA

Takumi INAGAWA 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).

  • Patent number: 12113394
    Abstract: An auxiliary power supply device in which an increase in the size of an entire system including both an auxiliary power supply circuit unit and a sub-power supply circuit unit is able to be curbed is provided. There is provided an auxiliary power supply device configured to be connected to a power supply device, the auxiliary power supply device including: an auxiliary power supply circuit unit configured to supply electric power to the power supply device in a case in which supply of electric power to the power supply device is shut off; and a sub-power supply circuit unit having an input side connected to the power supply device and an output side connected to a load and configured to supply an output voltage to other circuit units in accordance with electric power supplied from the power supply device.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: October 8, 2024
    Assignee: TDK CORPORATION
    Inventors: Takumi Inagawa, Yuuta Takano
  • Publication number: 20220385099
    Abstract: An auxiliary power supply device in which an increase in the size of an entire system including both an auxiliary power supply circuit unit and a sub-power supply circuit unit is able to be curbed is provided. There is provided an auxiliary power supply device configured to be connected to a power supply device, the auxiliary power supply device including: an auxiliary power supply circuit unit configured to supply electric power to the power supply device in a case in which supply of electric power to the power supply device is shut off; and a sub-power supply circuit unit having an input side connected to the power supply device and an output side connected to a load and configured to supply an output voltage to other circuit units in accordance with electric power supplied from the power supply device.
    Type: Application
    Filed: May 23, 2022
    Publication date: December 1, 2022
    Applicant: TDK CORPORATION
    Inventors: Takumi INAGAWA, Yuuta TAKANO