Patents by Inventor Shinichiro Hakamada

Shinichiro Hakamada 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).

  • Voltage detection circuit
    Patent number: 9164129
    Abstract: A voltage detection circuit includes: an amplifier which amplifies a voltage difference between first and second input signals input into non-inverting and inverting input terminals of the amplifier via first and second input portions; a first signal line which connects the first input portion to the amplifier; a second signal line which connects the second input portion to the amplifier; a first capacitor connected in parallel to the first signal line; a second capacitor connected in parallel to the second signal line; a first filter element which has an inductor component and a resistor component and is connected in series to the first signal line between the first capacitor and the amplifier; and a second filter element which has an inductor component and a resistor component and is connected in series to the second signal line between the second capacitor and the amplifier.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: October 20, 2015
    Assignee: KAYABA INDUSTRY CO., LTD.
    Inventors: Kouki Nagae, Noboru Yoshida, Shinichiro Hakamada
  • VOLTAGE DETECTION CIRCUIT
    Publication number: 20150015242
    Abstract: A voltage detection circuit includes: an amplifier which amplifies a voltage difference between first and second input signals input into non-inverting and inverting input terminals of the amplifier via first and second input portions; a first signal line which connects the first input portion to the amplifier; a second signal line which connects the second input portion to the amplifier; a first capacitor connected in parallel to the first signal line; a second capacitor connected in parallel to the second signal line; a first filter element which has an inductor component and a resistor component and is connected in series to the first signal line between the first capacitor and the amplifier; and a second filter element which has an inductor component and a resistor component and is connected in series to the second signal line between the second capacitor and the amplifier.
    Type: Application
    Filed: April 16, 2013
    Publication date: January 15, 2015
    Inventors: Kouki Nagae, Noboru Yoshida, Shinichiro Hakamada