Patents by Inventor Chong-Fai Wang

Chong-Fai Wang 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: 6336931
    Abstract: An automatic bone drilling apparatus for surgery operation uses a computer to control a hand tool drilling device to drill opening in skeleton. The computer has a fuzzy logic software to control the hand tool operation through a control box and a manual-automatic mode switch box. The hand tool drilling device may be securely mounted on the patient. Drilling location and size and depth may be precisely controlled to enhance surgical operation safety. It is particularly useful for drilling patient skeleton for brain surgery operation.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: January 8, 2002
    Inventors: Yeh-Liang Hsu, Shih-Tseng Lee, Chong-Fai Wang, Jia-Wen Chen, Hao-Wei Lin, Tsung-Cheng Huang