Patents by Inventor Kam M. Hui

Kam M. Hui 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).

  • Human leukocyte antigen typing
    Patent number: 5552275
    Abstract: A method of human HLA-DR and/or Dw allotype matching comprises:(i) effecting polymerase chain reaction (PCR) amplification of a HLA-DRB gene exon 2 nucleotide sequence of a first sample of DNA;(ii) separating according to size the DNA fragments resulting from the said amplification;(iii) determining the length polymorphism of the thus separated DNA fragments; and(iv) comparing the thus-determined length polymorphism with the length polymorphism of DNA fragments resulting from PCR amplification of the said HLA-DRB gene exon 2 nucleotide sequence of a second sample of DNA.
    Type: Grant
    Filed: February 23, 1994
    Date of Patent: September 3, 1996
    Assignee: National University of Singapore
    Inventors: Kam M. Hui, Jeffrey L. Bidwell