Patents by Inventor Kuniaki IWANO

Kuniaki IWANO 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).

  • Control device and electronic apparatus
    Patent number: 10719113
    Abstract: When an electronic apparatus including a core chip and a hub controller chip is connected to an apparatus on the host side, a USB hub controller in the hub controller chip executes a process on a configuration between the USB hub controller and the apparatus on the host side and sets a limit value of power to be supplied, from a first limit value to a second limit value higher than the first limit value, and a VBUS current controller in the hub controller chip supplies the core chip with a power supply voltage generated based on a supplied power, which allows to maintain a configuration state between the apparatus on the host side and the USB hub controller at a time of starting up or at a time of class switching of the core chip and supply the core chip with the sufficient power.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: July 21, 2020
    Assignee: SOCIONEXT INC.
    Inventors: Takashi Oyama, Kuniaki Iwano, Masakazu Sato, Soichi Hagiwara
  • CONTROL DEVICE AND ELECTRONIC APPARATUS
    Publication number: 20160231793
    Abstract: When an electronic apparatus including a core chip and a hub controller chip is connected to an apparatus on the host side, a USB hub controller in the hub controller chip executes a process on a configuration between the USB hub controller and the apparatus on the host side and sets a limit value of power to be supplied, from a first limit value to a second limit value higher than the first limit value, and a VBUS current controller in the hub controller chip supplies the core chip with a power supply voltage generated based on a supplied power, which allows to maintain a configuration state between the apparatus on the host side and the USB hub controller at a time of starting up or at a time of class switching of the core chip and supply the core chip with the sufficient power.
    Type: Application
    Filed: April 15, 2016
    Publication date: August 11, 2016
    Applicant: Socionext Inc.
    Inventors: Takashi OYAMA, Kuniaki IWANO, Masakazu SATO, Soichi HAGIWARA