Patents by Inventor Yusuke Ishizawa

Yusuke Ishizawa 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 system and memory sharing method
    Patent number: 7249226
    Abstract: A semiconductor system according to an embodiment of the present invention comprises a shared memory; a plurality of processing units each of which designates a memory size and a memory address, and which uses the shared memory; an address allocation unit which allocates memory addresses having the memory size designated by the each processing unit to the processing unit; and an address conversion unit which converts the memory address designated by the each processing unit into one of the memory addresses allocated to the processing unit, the converted memory address being including in the shared memory and being accessed by the processing unit.
    Type: Grant
    Filed: September 1, 2004
    Date of Patent: July 24, 2007
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hiroshi Koguchi, Yusuke Ishizawa
  • Semiconductor system and memory sharing method
    Publication number: 20050102485
    Abstract: A semiconductor system according to an embodiment of the present invention comprises a shared memory; a plurality of processing units each of which designates a memory size and a memory address, and which uses the shared memory; an address allocation unit which allocates memory addresses having the memory size designated by the each processing unit to the processing unit; and an address conversion unit which converts the memory address designated by the each processing unit into one of the memory addresses allocated to the processing unit, the converted memory address being including in the shared memory and being accessed by the processing unit.
    Type: Application
    Filed: September 1, 2004
    Publication date: May 12, 2005
    Inventors: Hiroshi Koguchi, Yusuke Ishizawa