Patents by Inventor Yichia Chen

Yichia Chen 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).

  • Electrical power-generating device
    Patent number: 6933621
    Abstract: An electrical power-generating device comprising an outer shell, at least one power generation unit, a centerboard, a transmission axis, a gear set and a starting device. The major characteristic is: at least one power generation unit and at least one centerboard are installed vertically to the transmission axis. The centerboards with many permanent magnetic bodies are inside the power generation unit, many coil sets are installed on both sides of the power generation unit, the number of the permanent magnetic bodies is equal or twice the number of the coil sets; users can roll the starting device and turn the transmission axis, the movement generates electrical power when the permanent magnet bodies pass through the coil sets on both sides.
    Type: Grant
    Filed: October 9, 2003
    Date of Patent: August 23, 2005
    Assignee: KJC International Company Limited
    Inventors: Choi Yau Man, Yichia Chen
  • Electrical power-generating device
    Publication number: 20050035599
    Abstract: An electrical power-generating device comprising an outer shell, at least one power generation unit, a centerboard, a transmission axis, a gear set and a starting device. The major characteristic is: at least one power generation unit and at least one centerboard are installed vertically to the transmission axis. The centerboards with many permanent magnetic bodies are inside the power generation unit, many coil sets are installed on both sides of the power generation unit, the number of the permanent magnetic bodies is equal or twice the number of the coil sets; users can roll the starting device and turn the transmission axis, the movement generates electrical power when the permanent magnet bodies pass through the coil sets on both sides.
    Type: Application
    Filed: October 9, 2003
    Publication date: February 17, 2005
    Inventors: Choi Man, Yichia Chen