Patents by Inventor Pengfel Qi

Pengfel Qi 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).

  • Metal and metal oxide surface texturing
    Publication number: 20120017989
    Abstract: A method of texturing a metal provides a metal with a thickness of 50 to 400 ?m. The metal is anodized, etched and then textured in a first texturing step to produce a first textured surface of the metal. A textured metal is produced with a dimpled surface of dimples with diameters of 5 nm to 2 and a depth of from 2 nm to 2 ?m.
    Type: Application
    Filed: August 24, 2011
    Publication date: January 26, 2012
    Inventors: Pai-Chun Chang, Chung-Jen Chien, Pengfel Qi