Patents by Inventor Takayuki Ibaraki

Takayuki Ibaraki 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 integrated circuit, semiconductor storage device and impedance adjustment method
    Patent number: 8111085
    Abstract: It is desired to reduce the current consumption of an autonomous impedance adjustment circuit. The semiconductor integrated circuit according to the present invention stops the change in the drive capability of a driver correspondingly to the output (count data) of a comparator which is sequentially outputted for changing the drive capability of a replica driver and an output driver.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: February 7, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Takayuki Ibaraki, Shinya Tashiro
  • SEMICONDUCTOR INTEGRATED CIRCUIT, SEMICONDUCTOR STORAGE DEVICE AND IMPEDANCE ADJUSTMENT METHOD
    Publication number: 20110037496
    Abstract: It is desired to reduce the current consumption of an autonomous impedance adjustment circuit. The semiconductor integrated circuit according to the present invention stops the change in the drive capability of a driver correspondingly to the output (count data) of a comparator which is sequentially outputted for changing the drive capability of a replica driver and an output driver.
    Type: Application
    Filed: July 29, 2010
    Publication date: February 17, 2011
    Applicant: Renesas Electronics Corporation
    Inventors: Takayuki IBARAKI, Shinya Tashiro