Patents by Inventor Takaaki Nishyama

Takaaki Nishyama 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).

  • Obstacle-detection system
    Patent number: 5341344
    Abstract: A method and apparatus for detecting objects around a vehicle, comprising a plurality of microwave-transceiver sensors for transmitting microwave signals to reflect off objects around the vehicle. The reflected signals are received and passed to a control unit for comparing the received signal to a transmitted signal to determine whether a detected object constitutes a threat to the moving vehicle. An alarm means is connected to the control unit and activates upon the receipt of an alarm signal when the control unit determines a detected object constitutes a threat to the vehicle.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: August 23, 1994
    Assignee: Optical Detective Systems, Inc.
    Inventors: Stephen W. O'Brien, Leo C. Hayes, Jr., Takaaki Nishyama