Patents by Inventor Michikazu Hirota

Michikazu Hirota 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).

  • Schedule management system and method
    Patent number: 6594637
    Abstract: When a regularly and periodically occurring schedule is inputted along with a period and condition of occurrence for a plurality of arbitrary users, a schedule of a corresponding date is automatically generated for the plurality of users. A common routine schedule number is correlated to the generated schedules and a common sum schedule number is associated to each date. The schedules thus registered can be corrected/deleted individually and in a group.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: July 15, 2003
    Assignee: International Business Machines Corporation
    Inventors: Tohru Furukawa, Michikazu Hirota, Kenichi Nagashima
  • Schedule management system and method for displaying, managing, and changing a schedule and recording medium for storing the same
    Patent number: 6392669
    Abstract: A schedule management system and method of displaying a schedule of at least a part of a plurality of users on a schedule management apparatus includes a display screen and an input device, and manages personal schedule information registered for each of the plurality of users.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: May 21, 2002
    Assignee: International Business Machines Corporation
    Inventors: Nobumitsu Matoba, Kenichi Nagashima, Michikazu Hirota