Patents by Inventor Eizou Sakamoto

Eizou Sakamoto 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).

  • Document management system
    Patent number: 6829601
    Abstract: A document referencing computer applying relationships or links between documents, wherein the documents are managed by a document managing computer, and the relationships or links are managed by a knowledge managing computer. The display of the links is controlled according to a variety of conditions. The display of a respective link between documents can be controlled by either a user who sets the respective link (the link setting user) or by a user using the document referencing computer to reference documents(a referencing user), thereby enabling related documents to be referenced easily.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: December 7, 2004
    Assignee: Hitachi, Ltd.
    Inventors: Yoshinori Honda, Eizou Sakamoto, Junji Nakata
  • Document management system
    Publication number: 20020120613
    Abstract: The present intervention wherein a document referencing computer applies relationships between documents that are documents managed by a document managing computer, and a knowledge managing computer manages these relationship, or links. The display of the links is controlled according to a variety of conditions. The display of these links between documents can be controlled by either the user who set the link (the link setting user) or by a user using the system to reference documents, or a referencing user, thereby enabling related documents to be referenced easily.
    Type: Application
    Filed: April 24, 2002
    Publication date: August 29, 2002
    Applicant: HITACHI, LTD.
    Inventors: Yoshinori Honda, Eizou Sakamoto, Junji Nakata
  • Document management system
    Publication number: 20020095418
    Abstract: The present intervention wherein a document referencing computer applies relationships between documents that are documents managed by a document managing computer, and a knowledge managing computer manages these relationship, or links. The display of the links is controlled according to a variety of conditions. The display of these links between documents can be controlled by either the user who set the link (the link setting user) or by a user using the system to reference documents, or a referencing user, thereby enabling related documents to be referenced easily.
    Type: Application
    Filed: October 3, 2001
    Publication date: July 18, 2002
    Inventors: Yoshinori Honda, Eizou Sakamoto, Junji Nakata