Patents by Inventor Wen-Chi Tseng

Wen-Chi Tseng 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: 20170225965
    Abstract: A multilayer composite materials nano-scale filter apparatus includes a vessel including an inlet and an outlet; a main line for flowing contaminants to the vessel through the inlet; a filtration assembly disposed in the vessel for separating particulates from the contaminants to obtain filtered liquids, the filtration assembly including a first magnetic layer, a second magnetic layer, an intermediate filtration layer disposed between the first magnetic layer and the second magnetic layer; and an outlet line for flowing the filtered liquids out of the vessel through the outlet. The intermediate filtration layer is a steel layer or a resin layer.
    Type: Application
    Filed: April 24, 2017
    Publication date: August 10, 2017
    Inventors: Yong Shang Tseng, Shu Yun Yu, Yen Je Tseng, Wen Chi Tseng, Wen Jin Tseng, Hong Kuan Tseng
  • Publication number: 20090175905
    Abstract: A transfection reagent and a method for enhancing transfection efficiency are described. A nucleic acid is provided, and a disaccharide is added as a transfection reagent. The disaccharide is composed of two identical monosaccharides. The transfection reagent is then applied to cells to introduce the nucleic acid into the cells.
    Type: Application
    Filed: July 4, 2008
    Publication date: July 9, 2009
    Applicant: National Taiwan University of Science and Technology
    Inventors: Wen-Chi Tseng, Tsuei-Yun Fang, Chien-Hsiang Tang
  • Patent number: 5561653
    Abstract: An ejector apparatus of a tray device is provided. The tray device movably seats within the space of an electronic equipment. The ejector apparatus includes a support and an ejector. The support has a attachment apparatus adapted to mount on a chassis of the electronic equipment. The ejector pushes the tray device out of the electronic equipment in response to a force applied from the outside of the electronic equipment. The ejector is pivotally connected to the support.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: October 1, 1996
    Assignee: Acer Peripherals Inc.
    Inventors: Dong-Yih Liou, Wen-Chi Tseng, Chung-Chi Liao
  • Patent number: RE36511
    Abstract: An ejector apparatus of a tray device is provided. The tray device movably seats within the space of an electronic equipment. The ejector apparatus includes a support and an ejector. The support has a attachment apparatus adapted to mount on a chassis of the electronic equipment. The ejector pushes the tray device out of the electronic equipment in response to a force applied from the outside of the electronic equipment. The ejector is pivotally connected to the support.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: January 18, 2000
    Assignee: Acer Peripherals Inc.
    Inventors: Dong-Yih Liou, Wen-Chi Tseng, Chung-Chi Liao
  • Patent number: D798782
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: October 3, 2017
    Inventor: Wen Chi Tseng