Patents by Inventor Pi-Yu Hsu

Pi-Yu Hsu 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).

  • Enhanced Natural Colors
    Publication number: 20120014934
    Abstract: A natural color is concentrated to intensify color range and to provide useful amounts of one or more of anti-oxidant, nutritional, and anti-inflammatory compounds derived from one or more pigment sources. In a preferred embodiment, the pigment source is a fruit, a vegetable, a legume, a spice, algae, or a combination thereof.
    Type: Application
    Filed: July 13, 2011
    Publication date: January 19, 2012
    Inventors: Paul Altaffer, Jeffrey M. Wuagneux, Pi-Yu Hsu