Patents by Inventor Hideo Tatumi

Hideo Tatumi 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).

  • Electromagnetic driving system for controlling electromagnetic driving device by simulator
    Patent number: 5812433
    Abstract: An electromagnetic driving system controls an electromagnetic driving device by a simulator. The driving system includes a simulation system. The simulation system includes a preprocessor for generating initial data used in the simulation, an analyzer for executing coupling analysis for magnetic field analysis, circuit analysis and control mode analysis, a postprocessor for displaying the output data of the system on a display, and a library for storing data given to and provided by the system. The simulation system is combined with the electromagnetic driving device to control the electromagnetic driving device.
    Type: Grant
    Filed: June 22, 1995
    Date of Patent: September 22, 1998
    Assignee: Hitachi, Ltd.
    Inventors: Kaoru Kawabata, Motoya Ito, Fumio Tajima, Naganori Motoi, Hideo Tatumi