Patents by Inventor Po Man Yuen

Po Man Yuen 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).

  • Patent number: 7351062
    Abstract: Educational devices, educational systems, and methods of teaching and learning reading are provided. The devices, systems, and methods can include an indicium reader, such as an optical character recognition device, for reading indicium from objects. Such objects can be three-dimensional blocks and the indicium can be a letter, word, sentence, number, or some other type of readable character(s). The devices, systems, and methods can include a display for displaying the read indicium and an audio producing device for producing audio corresponding to the read indicium. The educational devices can be a self-contained, portable unit with the indicium reader, the display, and the audio producing device supported by a housing of the educational devices.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: April 1, 2008
    Assignee: Learning Resources, Inc.
    Inventors: Gayle E. Gordon, Victor Kwok-ho Ng, Barbara E. Plain, Po Man Yuen
  • Patent number: 6129606
    Abstract: An action mechanism toy or amusement device which by centrifugal force causes the device to wobble, bob and rock due to a motor mechanism and offset weight rotating about a fixed motor shaft.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: October 10, 2000
    Inventor: Po Man Yuen
  • Patent number: 6123600
    Abstract: A motor driven surface engaging multi directional and surface translating amusement device which simulates a creature of the sea or land, or a robot which has forward, reverse or rotational movement across a surface and which forward and reverse movement may be interval-cycling timed including forward-reverse speed control.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: September 26, 2000
    Inventor: Po Man Yuen