Patents by Inventor Hsueh-Yen Liou

Hsueh-Yen Liou 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).

  • Light emitting golf ball
    Patent number: 6712487
    Abstract: A light emitting golf ball is constructed to include a plastic outer shell that admits light, a plastic core embedded in the outer shell, the plastic core admitting light, and a light emitting circuit assembly embedded in the core, the light emitting circuit assembly including a battery, a plurality of LEDs, and an impact switch electrically connected between the battery and the LEDs and adapted to turn on the LEDs upon an impact.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: March 30, 2004
    Inventor: Hsueh-Yen Liou
  • Light emitting golf ball
    Publication number: 20030202362
    Abstract: A light emitting golf ball is constructed to include a plastic outer shell that admits light, a plastic core embedded in the outer shell, the plastic core admitting light, and a light emitting circuit assembly embedded in the core, the light emitting circuit assembly including a battery, a plurality of LEDs, and an impact switch electrically connected between the battery and the LEDs and adapted to turn on the LEDs upon an impact.
    Type: Application
    Filed: April 24, 2002
    Publication date: October 30, 2003
    Inventor: Hsueh-Yen Liou