Patents by Inventor Liang Kuo Chen

Liang Kuo Chen 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
    Publication number: 20240069299
    Abstract: An optical element driving mechanism includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. 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 in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Inventors: Chao-Chang HU, Kuen-Wang TSAI, Liang-Ting HO, Chao-Hsi WANG, Chih-Wei WENG, He-Ling CHANG, Che-Wei CHANG, Sheng-Zong CHEN, Ko-Lun CHAO, Min-Hsiu TSAI, Shu-Shan CHEN, Jungsuck RYOO, Mao-Kuo HSU, Guan-Yu SU
  • Folding walker with removable back rest
    Patent number: 6837503
    Abstract: A walker having a detachable backrest is described. The walker contains a seat, and a person may sit in the walker, and rest his or her back against the detachable backrest.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: January 4, 2005
    Assignee: Nova Ortho-Med, Inc.
    Inventors: Kuang-Muh Chen, Liang Kuo Chen
  • Folding walker with removable back rest
    Publication number: 20040104559
    Abstract: A walker having a detachable backrest is described. The walker contains a seat, and a person may sit in the walker, and rest his or her back against the detachable backrest.
    Type: Application
    Filed: December 3, 2002
    Publication date: June 3, 2004
    Inventors: Kuang-Muh Chen, Liang Kuo Chen