Patents by Inventor S. P. Hsu

S. P. Hsu 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).

  • Semiconductor device test system
    Publication number: 20060194352
    Abstract: An apparatus for mitigating condensation formation on a device interface board during low-temperature semiconductor device testing includes a nozzle. The nozzle includes an input orifice for receiving gas from a gas source and at least one output orifice for discharging gas from the nozzle against a surface of the device interface board. The area of the at least one output orifice is substantially greater than the area of input orifice.
    Type: Application
    Filed: February 28, 2005
    Publication date: August 31, 2006
    Inventors: N. L. Peng, S. P. Hsu
  • Device for automatic lock
    Patent number: 4509348
    Abstract: A new lock wherein during locking, the lock latch is moved horizontally into a socket and rotated therein so as to hook up the socket housing, thus reinforcing the lock, and the pins in the lock cylinder are designed to be adjustable in order to fit for some keys with special shapes; furthermore, the cylinder spindle is covered with a sleeve to strengthen the locking function.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: April 9, 1985
    Inventor: S. P. Hsu