Patents by Inventor Chi-Shiuan Hsien

Chi-Shiuan Hsien 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 sight
    Patent number: 8449131
    Abstract: An optical sight of the present invention may aim at an object via a cross. The optical sight has a focusing adjuster for focusing and a brightness adjuster for adjusting luminance on a cross. The focusing adjuster and the brightness adjuster are made at the same position that user may operate the optical sight more conveniently.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: May 28, 2013
    Assignee: Asia Optical Co., Inc.
    Inventors: Chia-Chi Tang, Chi-Shiuan Hsien
  • OPTICAL SIGHT
    Publication number: 20120195023
    Abstract: An optical sight of the present invention may aim at an object via a cross. The optical sight has a focusing adjuster for focusing and a brightness adjuster for adjusting luminance on a cross. The focusing adjuster and the brightness adjuster are made at the same position that user may operate the optical sight more conveniently.
    Type: Application
    Filed: August 2, 2011
    Publication date: August 2, 2012
    Applicant: ASIA OPTICAL CO., INC.
    Inventors: CHIA-CHI TANG, Chi-Shiuan Hsien