Patents by Inventor Shuyl Qin

Shuyl Qin 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).

  • Publication number: 20080283522
    Abstract: A polycrystalline body comprising aluminum oxide, magnesium oxide, hafnium oxide, and yttrium oxide in which alumina grains have an average size of at least 10 ?m and wherein the yttrium oxide is present in an amount of at least 6 ppm of the weight of the ceramic body, and the magnesium and hafnium oxides are present at a molar ratio of about 0.5:1 to about 3:1.
    Type: Application
    Filed: May 14, 2007
    Publication date: November 20, 2008
    Inventors: Shuyl Qin, Ming Gao, Karthik Sivaraman