Patents by Inventor Akiyoshi Nakamizo

Akiyoshi Nakamizo 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: 8191066
    Abstract: In response to an activation of a data processing system, a request for processing is accepted in parallel with loading a series of data (a data body) from an external storage into a main memory independent of whether the processing of individual data is requested or not, and if target data of the request for processing is not loaded into the main memory, apparent system starting time is reduced by executing processing corresponding to the request after the target data is loaded into the main memory.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: May 29, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Natsuko Sugaya, Katsushi Yako, Akiyoshi Nakamizo
  • Publication number: 20090165013
    Abstract: In response to the activation of the data processing system, a request for processing is accepted in parallel with loading a series of data (a data body) from an external storage into a main memory independent of whether the processing of individual data is requested or not, and if target data of the request for processing is not loaded into the main memory, apparent system starting time is reduced by executing processing corresponding to the request after the target data is loaded into the main memory.
    Type: Application
    Filed: March 14, 2008
    Publication date: June 25, 2009
    Inventors: Natsuko SUGAYA, Katsushi Yako, Akiyoshi Nakamizo
  • Publication number: 20080127212
    Abstract: A memory leak detecting method includes steps of corresponding an accepted request with an identifier to be specified to the accepted request to store a history of an executed processing in request trace information; deleting correspondence information of the accepted request and an object to be created when the object is created in the processing of the accepted request and corresponding information of the request and object when trace information of an object creation is recorded and a use of the created object is ended; recording trace information of an object release; acquiring a list of the requests in execution from the request trace information in accepting an instruction for detecting a memory leak; and detecting an object corresponding to the request as a suspicion of memory leak, in which the object corresponding the request is not included in the request list and is included in the correspondence information.
    Type: Application
    Filed: September 7, 2007
    Publication date: May 29, 2008
    Inventors: Akiyoshi NAKAMIZO, Masatoshi YOSHIDA