Patents by Inventor Jiun-Hseng Chuang

Jiun-Hseng Chuang 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).

  • Golf club head
    Patent number: 8029384
    Abstract: A golf club head includes a striking face having a plurality of grooves formed therein. At least one groove includes a first curved side surface, a second curved side surface opposite to the first curved side surface, and a bottom surface connecting the first and the second curved side surfaces. As viewed in the longitudinal direction of the at least one groove, the first and the second curved surfaces respectively have first and second involute profiles. A distance measured between the first and the second curved surfaces continuously increases from the bottom surface to the striking face.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: October 4, 2011
    Assignee: Fusheng Precision Co., Ltd.
    Inventors: Chan-Tung Chen, Wen-Ching Hou, Chiang-Tai Lin, Jiun-Hseng Chuang, Chun-Han Wu
  • GOLF CLUB HEAD
    Publication number: 20100292025
    Abstract: A golf club head includes a striking face having a plurality of grooves formed therein. At least one groove includes a first curved side surface, a second curved side surface opposite to the first curved side surface, and a bottom surface connecting the first and the second curved side surfaces. As viewed in the longitudinal direction of the at least one groove, the first and the second curved surfaces respectively have first and second involute profiles. A distance measured between the first and the second curved surfaces continuously increases from the bottom surface to the striking face.
    Type: Application
    Filed: May 12, 2009
    Publication date: November 18, 2010
    Applicants: NELSON PRECISION CASTING CO., LTD., FU SHENG INDUSTRIAL CO., LTD.
    Inventors: Chan-Tung CHEN, Wen-Ching HOU, Chiang-Tai LIN, Jiun-Hseng CHUANG, Chun-Han WU