Patents by Inventor Kouji Ichiba

Kouji Ichiba 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).

  • Phase compensation circuit and power circuit having same
    Patent number: 7518428
    Abstract: In a phase compensation circuit having a resistance connected to the output side of an error amplifier, a capacitor, and a conductance amplifier functioning as a capacitance amplifier circuit, capacitance is amplified by the conductance amplifier and used, whereby an essentially required capacitance is ensured, even when the capacitance of the capacitor is small.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: April 14, 2009
    Assignees: Torex Semiconductor Ltd., Device Engineering Co., Ltd.
    Inventors: Kouji Ichiba, Takeshi Naka
  • Phase compensation circuit and power circuit having same
    Publication number: 20070174017
    Abstract: In a phase compensation circuit having a resistance connected to the output side of an error amplifier, a capacitor, and a conductance amplifier functioning as a capacitance amplifier circuit, capacitance is amplified by the conductance amplifier and used, whereby an essentially required capacitance is ensured, even when the capacitance of the capacitor is small.
    Type: Application
    Filed: September 9, 2005
    Publication date: July 26, 2007
    Inventors: Kouji Ichiba, Takeshi Naka