Patents by Inventor Taiji Horiuchi

Taiji Horiuchi 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 system provided with an address translation lookaside buffer capable of quick partial purge operation
    Patent number: 5710903
    Abstract: A data processing system capable of simultaneously processing a plurality of partial purge requests stored in a purge address stack and of reducing the effective time necessary for carrying out a partial purge process for the partial purging of an address translation lookaside buffer is disclosed. The data processing system comprises a purge address stack (106) having a plurality of registers (106a to 106d) for storing a plurality of partial purge requests, a plurality of comparators (109a to 109d) associated with the registers of the purge address stack respectively and functioning for both gaining normal access to an address translation lookaside buffer and carrying out a partial purge process, and a comparator (110) to be used when an address translator (107) operates.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: January 20, 1998
    Assignees: Hitachi, Ltd., Hitachi Computer Engineering Co., Ltd.
    Inventors: Taiji Horiuchi, Kuniki Toubaru, Hiromichi Kainou