Patents by Inventor Tamayo Tokuda

Tamayo Tokuda 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).

  • Method and system for managing workflow
    Patent number: 6401073
    Abstract: A workflow managing system includes a workflow server for automatically extracting a next workflow entrance location from an electronic document for management of the next workflow entrance location.
    Type: Grant
    Filed: March 13, 2000
    Date of Patent: June 4, 2002
    Assignee: Hitachi, Ltd.
    Inventors: Tamayo Tokuda, Hisao Mase, Hiroshi Tsuji
  • Method and system for managing workflow of electronic documents
    Patent number: 6038541
    Abstract: A workflow managing system includes a workflow server for automatically extracting a next workflow entrance location from an electronic document for management of the next workflow entrance location.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: March 14, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Tamayo Tokuda, Hisao Mase, Hiroshi Tsuji
  • Method and system for managing workflow of electronic documents
    Patent number: 5878398
    Abstract: A workflow managing system includes a workflow server for automatically extracting a next workflow entrance location from an electronic document for management of the next workflow entrance location.
    Type: Grant
    Filed: March 20, 1996
    Date of Patent: March 2, 1999
    Assignee: Hitachi, Ltd.
    Inventors: Tamayo Tokuda, Hisao Mase, Hiroshi Tsuji