Patents by Inventor Kallum Cheng

Kallum Cheng 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: 20150126903
    Abstract: A punch biopsy tool includes a punch cutting element which includes an inner surface, an outer surface, and a cutting edge along a bottom edge, and which defines an aperture between the inner surface and the outer surface. The punch biopsy tool also includes a flexible cutting element which is disposed along the inner surface of the punch cutting element and is configured to be pulled through the aperture.
    Type: Application
    Filed: May 3, 2013
    Publication date: May 7, 2015
    Inventors: Timothy Wang, Sewon Kang, Nishant Genesh Kumar, Makoto Tanigawa, Sebastian Kwon, Abhilash Guduru, Kallum Cheng, Tomas Gaigalas, Bofeng Zhang