Patents by Inventor Koichi Kagawa

Koichi Kagawa 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).

  • Bit map rotation processor
    Patent number: 5063526
    Abstract: An apparatus for rotating bit-mapped data includes a specially designed data array (9) that includes a normal port (10) for accessing horizontal words of data and a rotated port (15) for accessing vertical words of data. In addition, address generating logic (6) is provided that automatically generates proper address seqences for accessing the normal words or the vertical words as appropriate during a rotation operation. The apparatus is cascadable (FIG. 29) to provide effectively any size data array.
    Type: Grant
    Filed: June 3, 1987
    Date of Patent: November 5, 1991
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Koichi Kagawa, Chung-Li Yu, Shinkyo Kaku, Vinod Menon