Patents by Inventor Wataru Kiriake

Wataru Kiriake 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).

  • Information processing unit with a clock control circuit having access to the system bus during system clock changes
    Patent number: 7155631
    Abstract: An information processing unit has a system bus that connects devices configuring the information processing unit. An arbiter performs arbitration related to use of this system bus, and a clock control circuit controls the clock to be supplied to the devices. The clock control circuit can make a bus request to the arbiter and executes a clock switch or clock halt after being granted use of the bus by the arbiter.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: December 26, 2006
    Assignee: NEC Electronics Corporation
    Inventor: Wataru Kiriake
  • Information processing unit
    Publication number: 20030159080
    Abstract: An information processing unit has a system bus that connects devices configuring the information processing unit; an arbiter that performs arbitration related to use of this system bus; and a clock control circuit that controls the clock to be supplied to the devices, wherein the clock control circuit has means for performing a bus request to the arbiter; and means for performing a clock switch or clock halt after being granted use of the bus by the arbiter.
    Type: Application
    Filed: February 19, 2003
    Publication date: August 21, 2003
    Applicant: NEC Electronics Corporation
    Inventor: Wataru Kiriake