Patents by Inventor Kota Hamaya

Kota Hamaya 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).

  • Patent number: 6799250
    Abstract: A cache control device of the invention comprises a first register for holding address data, a second register for holding address data held by the first register at the next timing, caches for receiving address data, comparators for receiving the outputs of the first and second registers, a first multiplexer for selecting data of the comparators, a second multiplexer for selecting data of the caches, and an access controller for controlling the caches, the cache control device having a plurality of ways which are not simultaneously confirmed with regard to coincidence, and selecting in advance one of the address buses prior to comparison of the address buses.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: September 28, 2004
    Assignee: NEC Electronics Corporation
    Inventor: Kota Hamaya
  • Publication number: 20020156978
    Abstract: A cache control device of the invention comprises a first register for holding address data, a second register for holding address data held by the first register at the next timing, caches for receiving address data, comparators for receiving the outputs of the first and second registers, a first multiplexer for selecting data of the comparators, a second multiplexer for selecting data of the caches, and an access controller for controlling the caches, the cache control device having a plurality of ways which are not simultaneously confirmed with regard to coincidence, and selecting in advance one of the address buses prior to comparison of the address buses.
    Type: Application
    Filed: April 17, 2002
    Publication date: October 24, 2002
    Inventor: Kota Hamaya