Patents by Inventor Yung-Chil Hah

Yung-Chil Hah 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).

  • Composition, kit, and method for detecting Helicobacter pylori in biopsy
    Patent number: 6187556
    Abstract: Disclosed are a composition for detecting Helicobacter pylori including urea 0.5 to 4 percent by volume, potassium phosphate 0.05 to 0.2 percent by volume, phenate reagent solution 0.8 to 1.7 percent by volume, an indicator having a pKa of 6.5 to 8.5, 0.002 to 0.005 percent by volume, and a balance of water, a kit for detecting Helicobacter pylori using the composition and detecting method using the composition can determine quickly and accurately whether or not an infection by Helicobacter pylori exists, can obtain the same determination results after an elapse of time and can be used easily in an endoscope chamber.
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: February 13, 2001
    Inventors: Jong-Hwa Lee, Hak-Sung Lee, Im-Hwan Roe, Jung-Taik Kim, Yung-Chil Hah, Tae-Boo Choe