Patents by Inventor Kun-Cheng Kuo

Kun-Cheng Kuo 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
  • Bobbin
    Patent number: 8382021
    Abstract: A bobbin has a body and a ring. The body has a seat, a spool and a winder. The seat has a taper surface with multiple stairs. The stairs have a guiding surface, and the guiding surfaces of all of the stairs face to a same direction. The spool is formed on the top of the seat. The winder is formed on the bottom on the seat. The ring is removably mounted on the winder to form an annular gap between the seat and the ring. A secured end of thread is wound around the annular gap. A free end of thread is wound around the seat and extends curvedly over one of the stairs. Therefore, the stairs each having one guiding edge prevent the thread from being broken.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: February 26, 2013
    Inventor: Kun-Cheng Kuo
  • BOBBIN
    Publication number: 20120032022
    Abstract: A bobbin has a body and a ring. The body has a seat, a spool and a winder. The seat has a taper surface with multiple stairs. The stairs have a guiding surface, and the guiding surfaces of all of the stairs face to a same direction. The spool is formed on the top of the seat. The winder is formed on the bottom on the seat. The ring is removably mounted on the winder to form an annular gap between the seat and the ring. A secured end of thread is wound around the annular gap. A free end of thread is wound around the seat and extends curvedly over one of the stairs. Therefore, the stairs each having one guiding edge prevent the thread from being broken.
    Type: Application
    Filed: August 6, 2010
    Publication date: February 9, 2012
    Inventor: Kun-Cheng Kuo