Patents by Inventor TAKU IZUMI

TAKU IZUMI 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: 9507657
    Abstract: A non-transitory computer readable storage medium that stores therein an investigation program for causing an information processing apparatus to execute processing, the processing includes creating, in a storage medium, a first dump file for writing out data in a memory in the information processing apparatus when an operating system detects a first abnormality, rebooting the information processing apparatus without erasing the data stored in the memory after the detection of the first abnormality and after the creation of the first dump file, creating, during the reboot, a first table that associates a plurality of page areas in the memory and a plurality of dump file areas in the first dump file that correspond to the page areas, and writing out, when a page area in the memory is released, data stored in the page area to the first dump file.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: November 29, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Hideyuki Niwa, Hiroyuki Kamezawa, Yasuo Ueda, Yuichi Nagahama, Hidetoshi Seto, Taku Izumi, Yasuaki Ishimatsu, Ken Ichikawa
  • Patent number: 9442790
    Abstract: A circuitry of a computer is configured to monitor an update state in a prescribed period of time of a plurality of units of management of data stored in the memory device for each of the plurality of units, to select a target unit as a target of dumping that outputs data from among the plurality of units on the basis of a monitoring result of the update state, and to dump data corresponding to the selected target unit.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: September 13, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Yuichi Nagahama, Hidetoshi Seto, Yasuo Ueda, Hideyuki Niwa, Yasuaki Ishimatsu, Taku Izumi, Hiroyuki Kamezawa, Kenji Kaneshige, Ken Ichikawa
  • Publication number: 20150160994
    Abstract: A non-transitory computer readable storage medium that stores therein an investigation program for causing an information processing apparatus to execute processing, the processing includes creating, in a storage medium, a first dump file for writing out data in a memory in the information processing apparatus when an operating system detects a first abnormality, rebooting the information processing apparatus without erasing the data stored in the memory after the detection of the first abnormality and after the creation of the first dump file, creating, during the reboot, a first table that associates a plurality of page areas in the memory and a plurality of dump file areas in the first dump file that correspond to the page areas, and writing out, when a page area in the memory is released, data stored in the page area to the first dump file.
    Type: Application
    Filed: November 25, 2014
    Publication date: June 11, 2015
    Inventors: Hideyuki Niwa, Hiroyuki KAMEZAWA, Yasuo UEDA, Yuichi Nagahama, Hidetoshi Seto, TAKU IZUMI, Yasuaki Ishimatsu, Ken Ichikawa
  • Publication number: 20150046754
    Abstract: A circuitry of a computer is configured to monitor an update state in a prescribed period of time of a plurality of units of management of data stored in the memory device for each of the plurality of units, to select a target unit as a target of dumping that outputs data from among the plurality of units on the basis of a monitoring result of the update state, and to dump data corresponding to the selected target unit.
    Type: Application
    Filed: July 11, 2014
    Publication date: February 12, 2015
    Inventors: Yuichi Nagahama, Hidetoshi Seto, Yasuo UEDA, Hideyuki Niwa, Yasuaki Ishimatsu, TAKU IZUMI, Hiroyuki KAMEZAWA, Kenji Kaneshige, Ken Ichikawa