Patents by Inventor Weon Yeol Choi

Weon Yeol Choi 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).

  • Publication number: 20090000015
    Abstract: The present disclosure relates to a safety helmet; and, more particularly, to a safety helmet having an extended sun visor capable of preventing light from entering directly into eyes of a helmet wearer. A safety helmet includes a cap having a front opening portion; a sun visor fixed on the cap to be protruded from an upper portion of the front opening portion toward the front; and an extended member located on a front end portion of the sun visor to pivot about the sun visor.
    Type: Application
    Filed: September 20, 2007
    Publication date: January 1, 2009
    Applicant: HJC CO., LTD.
    Inventors: Joong Koo Ahn, Weon Yeol Choi
  • Patent number: D581099
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: November 18, 2008
    Assignee: HJC Co., Ltd
    Inventors: Joong Koo Ahn, Weon Yeol Choi