Patents by Inventor Ohata: Tadashi

Ohata: Tadashi 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 for automatically generating a simulation program for a physical phenomenon governed by a partial differential equation, with simplified input procedure and debug procedure
    Patent number: 5148379
    Abstract: The entry of a problem describing program is assisted by a database or a display screen. An error in numerical calculation of the input problem describing program is automatically checked. A simulation program which interrupts the execution of a process requsted by a statement in the problem describing program which a user designates as a break point when the simulation program executes the process is automatically generated. At the time of interruption, the execution status of the simulation is diagnosed upon the user's request.
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: September 15, 1992
    Assignees: Hitachi Ltd., Hitachi VLSI Engineering Corporation
    Inventors: Chisato Konno, Ohata: Tadashi, Mitsuyoshi Igai, Yukio Umetani, Michiru Yamabe