Patents by Inventor Mitsuhiko Kodaira

Mitsuhiko Kodaira 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).

  • Address translation apparatus
    Patent number: 4835734
    Abstract: A virtual space is divided into a plurality of areas of different memory block size, and a plurality of address translation modes are executed using different memory block sizes and based upon a virtual memory address. By dividing a part of the virtual memory space into finer memory blocks, the efficiency of use of the memory space is improved, and existing programs can be easily applied. Selecting one of a plurality of address translation modes is performed using such means as part of a virtual address, and/or a flag.
    Type: Grant
    Filed: April 9, 1987
    Date of Patent: May 30, 1989
    Assignee: Hitachi, Ltd.
    Inventors: Mitsuhiko Kodaira, Tokio Shiraga