Patents by Inventor Zengguang Yuan

Zengguang Yuan 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).

  • LED BULBS WITH ADJUSTABLE LIGHT EMITTING DIRECTION
    Publication number: 20130278132
    Abstract: The invention provides modular, interchangeable LED light bulbs configured to have an adjustable lateral emission direction. Such light bulbs overcome the drawbacks of conventional LED light bulbs that are not suited for use certain application, such as with sideway mounted light fixtures.
    Type: Application
    Filed: October 11, 2011
    Publication date: October 24, 2013
    Inventors: Zengguang Yuan, Ching Fong