Patents by Inventor Kuang-Yuan Hung

Kuang-Yuan Hung 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).

  • Resin plunging apparatus for molding resin to seal an electronic device
    Patent number: 6382945
    Abstract: A resin plunging apparatus for molding resin to seal an electronic device, in which a ball screw is rotated to move a movable base plate and two load elements at the movable base plate, enabling a plunger holder which is supported on the load elements to be moved with the movable base plate along guide bars, so that plungers which are securely mounted on the plunger holder are positively smoothly forced into cavities in upper and lower molds to plunge resin tablets.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: May 7, 2002
    Assignee: Industrial Technology Research Institute
    Inventors: Li-Wei Chen, Muh-Wang Liang, Sheng-Lang Lee, Kuang-Yuan Hung