Patents by Inventor Taku ADACHI

Taku ADACHI 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).

  • Storage apparatus and control method thereof
    Patent number: 10482019
    Abstract: Proposed are a storage apparatus and a control method thereof capable of improving the response performance to a read access of various access patterns. When data to be read is not retained in a data buffer memory, upon staging the data to be read, a processor performs sequential learning of respectively observing an access pattern in units of blocks of a predetermined size and an access pattern in units of slots configured from a plurality of the blocks regarding an access pattern of the read access from the host apparatus, and expands a data range to be staged as needed based on a learning result of the sequential learning.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: November 19, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Taku Adachi, Hisaharu Takeuchi
  • STORAGE APPARATUS AND CONTROL METHOD THEREOF
    Publication number: 20180329824
    Abstract: Proposed are a storage apparatus and a control method thereof capable of improving the response performance to a read access of various access patterns. When data to be read is not retained in a data buffer memory, upon staging the data to be read, a processor performs sequential learning of respectively observing an access pattern in units of blocks of a predetermined size and an access pattern in units of slots configured from a plurality of the blocks regarding an access pattern of the read access from the host apparatus, and expands a data range to be staged as needed based on a learning result of the sequential learning.
    Type: Application
    Filed: February 24, 2016
    Publication date: November 15, 2018
    Inventors: Taku ADACHI, Hisaharu TAKEUCHI