Patents by Inventor Joong Koo Ahn

Joong Koo Ahn 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).

  • Helmet shield including ventilation unit
    Patent number: 9801425
    Abstract: A helmet shield coupled to a front opening of a helmet includes a lens unit provided to face a front of the front opening; a frame unit provided along a circumference of the lens unit; and a ventilation unit provided at both sides of the lens unit for communication between an inside and an outside of the helmet shield.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: October 31, 2017
    Assignee: HJC CORP.
    Inventors: Joong Koo Ahn, Young Il Kim, Chang Seob Lee
  • HELMET SHIELD INCLUDING VENTILATION UNIT
    Publication number: 20120011641
    Abstract: A helmet shield coupled to a front opening of a helmet includes a lens unit provided to face a front of the front opening; a frame unit provided along a circumference of the lens unit; and a ventilation unit provided at both sides of the lens unit for communication between an inside and an outside of the helmet shield.
    Type: Application
    Filed: July 11, 2011
    Publication date: January 19, 2012
    Applicant: HJC CORP.
    Inventors: Joong Koo Ahn, Young Il Kim, Chang Seob Lee
  • SUN VISOR ASSEMBLY AND SAFETY HELMET HAVING THE SAME
    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
  • Safety helmet
    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