Patents by Inventor Tsuyoshi Ebata

Tsuyoshi Ebata 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).

  • Exclusive access controlling apparatus, exclusive access controlling method and recording medium recorded with exclusive access controlling program, for electronic information
    Patent number: 7117492
    Abstract: An electronic information name of electronic information prepared by attaching a version number of the electronic information with a unique appellation of the electronic information is distributed to users of electronic information. Based on this electronic information name, accesses to the electronic information are conducted. There is further provided a table for holding the version number of the electronic information, and the version number held in the table is changed such as by a locking request, a locking release request for the electronic information. Upon an access request to the electronic information, the version number included in the electronic information name is compared with the version number held in the table, so as to judge whether or not the access to the electronic information is to be permitted, to thereby conduct an exclusive access control of the electronic information.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: October 3, 2006
    Assignee: Fujitsu Limited
    Inventors: Junji Ikeda, Hiroyuki Akamatsu, Tsuyoshi Ebata, Nobuyuki Kanaya
  • Apparatus and system for managing work flow, and computer-readable storage medium for storing work flow management program
    Patent number: 6493675
    Abstract: A system for managing a work flow functions efficiently at a high speed. To attain this, the system includes a plurality of work flow support units, and a work flow support unit management unit. The work flow support unit management unit determines which work flow support unit is to manage a work flow. At this time, the work flow support unit management unit refers to the load condition of each work flow support unit to instruct the work flow support unit indicating the smallest load state to manage work flows, thereby preventing the process load from concentrating on a specific work flow support unit.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: December 10, 2002
    Assignee: Fujitsu Limited
    Inventors: Nobuyuki Kanaya, Hirotaka Hara, Hiroyuki Akamatsu, Tsuyoshi Ebata, Junji Ikeda
  • Exclusive access controlling apparatus, exclusive access controlling method and recording medium recorded with exclusive access controlling program, for electronic information
    Publication number: 20010018763
    Abstract: An electronic information name of electronic information prepared by attaching a version number of the electronic information with a unique appellation of the electronic information is distributed to users of electronic information. Based on this electronic information name, accesses to the electronic information are conducted. There is further provided a table for holding the version number of the electronic information, and the version number held in the table is changed such as by a locking request, a locking release request for the electronic information. Upon an access request to the electronic information, the version number included in the electronic information name is compared with the version number held in the table, so as to judge whether or not the access to the electronic information is to be permitted, to thereby conduct an exclusive access control of the electronic information.
    Type: Application
    Filed: April 3, 2001
    Publication date: August 30, 2001
    Inventors: Junji Ikeda, Hiroyuki Akamatsu, Tsuyoshi Ebata, Nobuyuki Kanaya