Patents by Inventor Minghon Yau

Minghon Yau 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).

  • Patent number: 7517677
    Abstract: The present invention discloses two novel D-amino acid oxidases, whose activities of converting cephalosporin C to glutaryl-7-aminocephalosporanic acid are at least 25% higher than that of wild-type Trigonopsis variabilis D-amino acid oxidase and the encoding DNA sequences thereof.
    Type: Grant
    Filed: April 12, 2004
    Date of Patent: April 14, 2009
    Inventors: Jun Wang, Hongkin Yap, Waikei Tsang, Yuksun Lui, Yaulung Philip Siu, Supyin Tsang, Minghon Yau
  • Publication number: 20080009052
    Abstract: The present invention discloses two novel D-amino acid oxidases, whose activities of converting cephalosporin C to glutaryl-7-aminocephalosporanic acid are at least 25% higher than that of wild-type Trigonopsis variabilis D-amino acid oxidase and the encoding DNA sequences thereof.
    Type: Application
    Filed: April 12, 2004
    Publication date: January 10, 2008
    Inventors: Jun Wang, Hongkin Yap, Waikei Tsang, Yuksun Lui, Yaulung Siu, Supyin Tsang, Minghon Yau