Patents by Inventor Inho Chung

Inho Chung 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).

  • Drum assembly having helical gear and spur gear spaced therebetween for use in printer
    Patent number: 6978105
    Abstract: The present invention relates to a photo-sensitive drum assembly for use in an ink-jet printer or a laser printer. According to the present invention, there is provided a photo-sensitive drum assembly capable of preventing a helical gear from interrupting a first spur gear while engages with a second spur gear, by placing a gap between the helical gear and the first spur gear, in case that the helical gear which accept the rotational driving force and the first spur gear which transmits the rotational driving force are positioned on a common axis.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: December 20, 2005
    Assignee: Park & OPC Co., Ltd.
    Inventors: Inho Chung, Seungyub Han, Minchul Kim
  • Photo-sensitive drum assembly for use in an image forming apparatus
    Publication number: 20040156652
    Abstract: The present invention relates to a photo-sensitive drum assembly for use in an ink-jet printer or a laser printer.
    Type: Application
    Filed: December 11, 2003
    Publication date: August 12, 2004
    Inventors: Inho Chung, Seungyub Han, Minchul Kim