Patents by Inventor Yeun-Gil Choi

Yeun-Gil 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).

  • Cathode ray tube
    Patent number: 7250714
    Abstract: A cathode ray tube includes a panel with inner and outer surfaces, a funnel connected to the panel, a neck connected to the rear of the funnel, and a shadow mask mounted within the panel. The inner surface of the panel satisfies the following condition: 0.2?Px?0.4, 0.3?Py?0.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: July 31, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Do-Hun Pyun, Sung-Hun Ji, Yeun-Gil Choi, Soon-Dong Jeong, Joon-Soo Bae
  • Cathode ray tube
    Publication number: 20050285499
    Abstract: A cathode ray tube includes a panel with inner and outer surfaces, a funnel connected to the panel, a neck connected to the rear of the funnel, and a shadow mask mounted within the panel. The inner surface of the panel satisfies the following condition: 0.2?Px?0.4, 0.3?Py?0.
    Type: Application
    Filed: June 21, 2005
    Publication date: December 29, 2005
    Inventors: Do-Hun Pyun, Sung-Hun Ji, Yeun-Gil Choi, Soon-Dong Jeong, Joon-Soo Bae