Patents by Inventor Jang-Hou Ha

Jang-Hou Ha 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).

  • Advertising system and method using lotto game
    Publication number: 20050027595
    Abstract: An advertising system and method using a lotto game. The advertising system provides a user with a free-of-charge lotto game in payment for the exposure of advertising messages, enables the user having a lotto-game subscription coupon manufactured by an advertiser to enjoy the free-of-charge lotto game such that it can encourage the user to aggressively view the advertising messages of the advertiser by himself or herself, resulting in the maximum advertising effect of the desired advertisement.
    Type: Application
    Filed: March 30, 2004
    Publication date: February 3, 2005
    Inventors: Jang-Hou Ha, Yong-Nam Ryu, Ju-Heon Lee