Patents by Inventor Masayuki KAWAE

Masayuki KAWAE 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).

  • Semiconductor device and semiconductor integrated circuit
    Patent number: 10157679
    Abstract: A semiconductor device that can rapidly stabilize a control voltage for controlling an electric current source is provided. A semiconductor device includes a filter circuit that is provided between a control voltage generation circuit and an electric current source and removes noise of the control voltage. The filter circuit includes a first resistive element that is provided between the control voltage generation circuit and an output node that outputs the control voltage, a first capacitive element that is provided between the output node and a first voltage, a second capacitive element that is coupled between the output node and the first voltage via a first switch element. The second capacitive element is coupled between the first voltage and a second voltage when the first switch element is non-conductive. The second capacitive element is coupled with the first capacitive element through the output node when the first switch element is conductive.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: December 18, 2018
    Assignee: Renesas Electronics Corporation
    Inventors: Masayuki Kawae, Takafumi Noguchi, Atsuo Yoneyama
  • SEMICONDUCTOR DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT
    Publication number: 20180090215
    Abstract: A semiconductor device that can rapidly stabilize a control voltage for controlling an electric current source is provided. A semiconductor device includes a filter circuit that is provided between a control voltage generation circuit and an electric current source and removes noise of the control voltage. The filter circuit includes a first resistive element that is provided between the control voltage generation circuit and an output node that outputs the control voltage, a first capacitive element that is provided between the output node and a first voltage, a second capacitive element that is coupled between the output node and the first voltage via a first switch element. The second capacitive element is coupled between the first voltage and a second voltage when the first switch element is non-conductive. The second capacitive element is coupled with the first capacitive element through the output node when the first switch element is conductive.
    Type: Application
    Filed: November 1, 2017
    Publication date: March 29, 2018
    Applicant: Renesas Electronics Corporation
    Inventors: Masayuki KAWAE, Takafumi NOGUCHI, Atsuo YONEYAMA
  • Semiconductor device and semiconductor integrated circuit
    Patent number: 9837162
    Abstract: A semiconductor device that can rapidly stabilize a control voltage for controlling an electric current source is provided. A semiconductor device includes a filter circuit that is provided between a control voltage generation circuit and an electric current source and removes noise of the control voltage. The filter circuit includes a first resistive element that is provided between the control voltage generation circuit and an output node that outputs the control voltage, a first capacitive element that is provided between the output node and a first voltage, a second capacitive element that is coupled between the output node and the first voltage via a first switch element. The second capacitive element is coupled between the first voltage and a second voltage when the first switch element is non-conductive. The second capacitive element is coupled with the first capacitive element through the output node when the first switch element is conductive.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: December 5, 2017
    Assignee: Renesas Electronics Corporation
    Inventors: Masayuki Kawae, Takafumi Noguchi, Atsuo Yoneyama
  • SEMICONDUCTOR DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT
    Publication number: 20170178735
    Abstract: A semiconductor device that can rapidly stabilize a control voltage for controlling an electric current source is provided. A semiconductor device includes a filter circuit that is provided between a control voltage generation circuit and an electric current source and removes noise of the control voltage. The filter circuit includes a first resistive element that is provided between the control voltage generation circuit and an output node that outputs the control voltage, a first capacitive element that is provided between the output node and a first voltage, a second capacitive element that is coupled between the output node and the first voltage via a first switch element. The second capacitive element is coupled between the first voltage and a second voltage when the first switch element is non-conductive. The second capacitive element is coupled with the first capacitive element through the output node when the first switch element is conductive.
    Type: Application
    Filed: November 29, 2016
    Publication date: June 22, 2017
    Applicant: Renesas Electronics Corporation
    Inventors: Masayuki KAWAE, Takafumi NOGUCHI, Atsuo YONEYAMA