Patents by Inventor Toshiyuki Kitami

Toshiyuki Kitami 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).

  • Cache system of external storage device
    Patent number: 5586290
    Abstract: In a cache system for executing a cache operation for an external storage device, there is disposed a block number table for stopping a cache function for an external storage device, for which a storage medium is exchanged, when the storage medium of the external storage device is exchanged, and stores the number of data stored from each external storage device into the cache memory when all the data cached from a certain external storage device are purged out by a purging process or an LRU process, so as to restore the cache function of this external storage device.
    Type: Grant
    Filed: April 4, 1994
    Date of Patent: December 17, 1996
    Assignee: Fujitsu Limited
    Inventors: Giro Hirai, Mitsuo Sakurai, Kenichi Arika, Toshiyuki Kitami