Patents by Inventor Tseng-Ying Tein

Tseng-Ying Tein 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).

  • Method for improving the toughness of silicon carbide-based ceramics
    Patent number: 5580510
    Abstract: Method of improving the toughness of SiC-based ceramics. SiC, , AlN, Al.sub.2 O.sub.3 and optionally .alpha.-Si.sub.3 N.sub.4 are hot pressed to form a material which includes AlN polytypoids within its structure.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: December 3, 1996
    Assignee: The Regents Of The University of Michigan
    Inventors: Tseng-Ying Tein, Gregory E. Hilmas