Patents by Inventor Noboru Oouchi

Noboru Oouchi 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).

  • 3-D CAD/CAM data transfer method, 3-D CAD apparatus, 3-D CAM apparatus, 3-D CAD/CAM apparatus, NC process apparatus, and storage medium
    Patent number: 6804568
    Abstract: A 3-D CAD apparatus is provided with a color attribute addition section for adding color attribute to a portion of 3-D model data, at which a casted material is to be subjected to a process. A 3-D CAM is provided with a recognition section for recognizing the portion at which the casted material is to be subjected to the process, on the basis of the color attribute added to the 3-D model data.
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: October 12, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kouichi Miyazaki, Noboru Oouchi
  • Control system for induction motor-driven car
    Patent number: 4315203
    Abstract: A control system for an electric car driven by an induction motor which is supplied with electric power of a variable frequency and a variable voltage from an inverter comprises means for detecting the car speed, means for setting a slip frequency of the motor, a frequency command generator, control means for controlling the output frequency of the power converter in accordance with the frequency command and controlling the output voltage of the power converter, a current command generator, and a voltage command generator. The output voltage of the power converter is controlled in accordance with selected one of the current command and the voltage command while being limited by the other command.
    Type: Grant
    Filed: July 3, 1980
    Date of Patent: February 9, 1982
    Assignee: Hitachi, Ltd.
    Inventors: Masahiko Ibamoto, Hiroshi Narita, Noboru Oouchi, Shigetoshi Okamatsu