Patents by Inventor Jeng Wei

Jeng Wei 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: 20020107535
    Abstract: A union for connection of artificial vessel to human vessel is provided. The union is made of a biocompatible material, such as titanium, for fixedly positioning in an open end of an artificial vessel before a cut human vessel is put around the same open end of the artificial vessel and fixedly connected thereto with a binding string wound around the human vessel against a predetermined location on the union. The union allows the artificial vessel to be quickly connected to the cut human vessel to reduce bleeding and time needed to complete a surgical operation. And, the positioning of the union in the artificial vessel also reduces the difference between an outer diameter of the human vessel and an inner diameter of the artificial vessel at the joint of the two vessels.
    Type: Application
    Filed: February 8, 2001
    Publication date: August 8, 2002
    Inventors: Jeng Wei, Tan-Yen Sun
  • Publication number: 20020072698
    Abstract: A blood pumping device includes a receptacle for receiving blood and having a non-valved inlet and outlet openings coupled to an aorta and the femoral artery. The receptacle includes a surface having a peripheral portion coupled to a peripheral portion of a diaphragm, and having a port coupled to a pump. The pump may shrink the diaphragm to draw the blood into the receptacle and may expand the diaphragm to pump the blood in the chamber of the receptacle out of the inlet opening and the outlet opening of the receptacle and into the aorta and the femoral artery of the patient.
    Type: Application
    Filed: January 15, 2002
    Publication date: June 13, 2002
    Inventors: Jih Chung Chiang, Chin Sheng Tung, Kevin Kuo Tsai Cheng, Shih Hsiung Chen, Tzu Min Kao, Jeng Wei, Pong Jeu Lu
  • Patent number: 5657239
    Abstract: A computer-based method and program for improving a design of a circuit through analysis of a computer stored model of the circuit. Individual synchronization points are identified in the circuit at each of which a signal may be blocked or allowed to pass in response to appearance of a second signal at the synchronization point. The timing of the circuit is verified based on the individual synchronization points.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: August 12, 1997
    Assignee: Digital Equipment Corporation
    Inventors: Joel J. Grodstein, Nicholas L. Rethman, Jeng-Wei Pan
  • Patent number: 5648909
    Abstract: In a method for improving a circuit having a logically false path through static analysis of a software model, a computer receives information describing the false path, determines a true path alternate to the false path, and analyses the circuit model with respect to the true path.
    Type: Grant
    Filed: June 12, 1995
    Date of Patent: July 15, 1997
    Assignee: Digital Equipment Corporation
    Inventors: Larry L. Biro, Joel J. Grodstein, Jeng-Wei Pan, Nicholas L. Rethman
  • Patent number: 5533307
    Abstract: Two energy dissipation devices, each comprising a first plate, a plurality of spaced tapered plates, a plurality of cylinders, a plurality of washers, and a base frame. The devices can absorb seismic energy through the yielding of the tapered plates and effectively reduce a building vibration response during an earthquake. The devices are particularly suitable for use in building structures that must be designed to dissipate a large amount of seismic energy to achieve economical earthquake-resistant construction.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: July 9, 1996
    Assignee: National Science Council
    Inventors: Keh-Chyuan Tsai, Jeng-Wei Li
  • Patent number: 5462704
    Abstract: A porous polyurethane tube suitable for use as a vascular graft prosthesis is prepared by placing solvent type polyurethane resin coated mandrel in a static coagulant consisting of water, ethanol and optionally aprotic solvent within 30 seconds immediately after the coating step, separating the tube by placing the mandrel in a swelling agent containing at least 90 percent by weight of ethanol and rinsing with a solution containing at least 80 percent by weight ethanol.
    Type: Grant
    Filed: April 26, 1994
    Date of Patent: October 31, 1995
    Assignee: Industrial Technology Research Institute
    Inventors: Jui-Hsiang Chen, Jeng Wei, Andrew T. Hu, Yu-Der Lee, Ru-Fong Laiw, Muh-Lan Chen, Chung-Yi Chang, Fan-Yen Lee, Shu-Fang Jiang