Patents by Inventor Ryoichi Shibuya

Ryoichi Shibuya 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: 6578006
    Abstract: A work management method and system which manage a project executed by individuals or groups belonging to an organization. In response to a phase transition request from a task management unit, a workflow management unit performs transition and activation of a business phase included in a process definition, sets a work in work management table, and issues a task addition request. In response to an event addition request or a deletion request, an event management unit adds or deletes events to or from an event queue, monitors an occurrence of the event and, when the event occurs, sends a task status transition request to the task management unit. In response to the task addition request, the task management unit sets a task name and a task status name in the work management table, generates the event associated with the task name, issues the event addition request.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: June 10, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Takashi Saito, Hiroshi Majima, Ryoichi Shibuya, Hiroshi Tsuji, Yoshiaki Hattori
  • Publication number: 20030056121
    Abstract: A client terminal device at a user side transmits a plurality of IDs in an arbitrary arrangement order to an authentication server machine on a network on the basis of a device environment of the user when a license authentication for software is performed. The authentication server machine performs the license authentication using an authentication program and ID issue program corresponding to the software for which the license authentication is applied, and issues an ID in the ID form corresponding to the software.
    Type: Application
    Filed: July 1, 2002
    Publication date: March 20, 2003
    Inventors: Yousuke Kimoto, Izumi Kawanishi, Toyoshi Okada, Muneki Shimada, Tadashi Nakamura, Kenjiro Komaki, Kazuhiro Kanee, Makoto Kubo, Mitsuhiro Nakamura, Ryoichi Shibuya, Yasuo Sasaki