Patents by Inventor Eisaku Tomida

Eisaku Tomida 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).

  • Data processing device and data processing system
    Patent number: 8335883
    Abstract: To provide a data processing device in which a plurality of CPUs can individually and independently communicate with different functions of a USB device using a single communication path. The data processing device is configured so that a USB host module to be coupled to a plurality of central processing units has a plurality of pipes to communicate with an arbitrary end point of a USB device coupled from the outside of the data processing device, the data processing device also includes an access control register to specify which central processing unit should have a right to control the pipe and specify to which extent a range of the content of setting of a function for the pipe should be allowed, and a USB host interface is controlled in accordance with the content of setting of the access control register.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: December 18, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Shohei Tateyama, Takao Yamauchi, Eisaku Tomida, Kunihiko Nishiyama, Yasuyuki Suzuki
  • DATA PROCESSING DEVICE AND DATA PROCESSING SYSTEM
    Publication number: 20110072184
    Abstract: To provide a data processing device in which a plurality of CPUs can individually and independently communicate with different functions of a USB device using a single communication path. The data processing device is configured so that a USB host module to be coupled to a plurality of central processing units has a plurality of pipes to communicate with an arbitrary end point of a USB device coupled from the outside of the data processing device, the data processing device also includes an access control register to specify which central processing unit should have a right to control the pipe and specify to which extent a range of the content of setting of a function for the pipe should be allowed, and a USB host interface is controlled in accordance with the content of setting of the access control register.
    Type: Application
    Filed: August 11, 2010
    Publication date: March 24, 2011
    Inventors: Shohei TATEYAMA, Takao YAMAUCHI, Eisaku TOMIDA, Kunihiko NISHIYAMA, Yasuyuki SUZUKI