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).

  • Optical element driving mechanism having movable portion for holding lens
    Patent number: 11982866
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: May 14, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Liang-Ting Ho, Chen-Er Hsu, Yi-Liang Chan, Fu-Lai Tseng, Fu-Yuan Wu, Chen-Chi Kuo, Ying-Jen Wang, Wei-Han Hsia, Yi-Hsin Tseng, Wen-Chang Lin, Chun-Chia Liao, Shou-Jen Liu, Chao-Chun Chang, Yi-Chieh Lin, Shang-Yu Hsu, Yu-Huai Liao, Shih-Wei Hung, Sin-Hong Lin, Kun-Shih Lin, Yu-Cheng Lin, Wen-Yen Huang, Wei-Jhe Shen, Chih-Shiang Wu, Sin-Jhong Song, Che-Hsiang Chiu, Sheng-Chang Lin
  • Multilayer composite materials nano-scale filter
    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
  • TRANSFECTION REAGENT AND METHOD FOR ENHANCING TRANSFECTION EFFICIENCY
    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
  • Ejector for a tray device
    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
  • Ejector for a tray device
    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
  • Truck side mirror
    Patent number: D798782
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: October 3, 2017
    Inventor: Wen Chi Tseng