Patents by Inventor Chang-Ming Yan

Chang-Ming Yan 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).

  • Patent number: 6927972
    Abstract: A concealed type hook structure includes a base member, a portable computer, and a hook assembly mounted in a locating hole of the base member for locking the portable computer to the base member, the hook assembly having a hook holder, a swivel hook pivoted to the hook holder, a pressure plate for biasing the swivel hook to force the swivel hook into engagement with the portable computer upon pressing of the portable computer on the base member, and a return unit for moving by the user to return the pressure plate and to further disengage the swivel hook from the portable computer.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: August 9, 2005
    Assignee: Tatung Co., Ltd.
    Inventors: Wen-Chieh Wang, Chang-Ming Yan, Chao-Ming Huang
  • Patent number: 6870732
    Abstract: A portable computer host has a display face, a back face and four side faces. First magnetic units and at least one positioning unit are placed on the display face or the back face. An attached panel, having an attaching face and four edges, has second magnetic units placed on the attaching face that correspond to the first magnetic units, and also has at least one second positioning unit placed on the attaching face corresponding to the first positioning unit.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: March 22, 2005
    Assignee: Tatung Co., Ltd.
    Inventors: Chao-Ming Huang, Wen-Chieh Wang, Chang-Ming Yan
  • Publication number: 20040174670
    Abstract: A portable computer host has a display face, a back face and four side faces. First magnetic units and at least one positioning unit are placed on the display face or the back face. An attached panel, having an attaching face and four edges, has second magnetic units placed on the attaching face that correspond to the first magnetic units, and also has at least one second positioning unit placed on the attaching face corresponding to the first positioning unit.
    Type: Application
    Filed: May 28, 2003
    Publication date: September 9, 2004
    Applicant: Tatung Co., Ltd.
    Inventors: Chao-Ming Huang, Wen-Chieh Wang, Chang-Ming Yan