Patents by Inventor Jixian Hu

Jixian Hu 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).

  • Publication number: 20100104350
    Abstract: A LED luminous pen includes a penholder (1), a pen core (2), a battery (3), a luminous circuit board (4), and a LED (5). A rotary assembly (8) can move the pen core (2) up and down restrictedly and is sleeved at upper portion of the pen core (2). The penholder (1) at least includes an upper penholder portion (11) and a lower penholder portion (13), an anode of the battery (3) is electrically connected with an anode input (41) of the luminous circuit board (4), a cathode of the battery (3) is electrically connected with a conductive spring (7) through a metallic core cap of the pen core (71) and a cathode spring (72). When the pen core is in use, the strength of the core will not be transmitted to the battery, so that it can make every contact in LED luminous circuit conduct well.
    Type: Application
    Filed: March 26, 2008
    Publication date: April 29, 2010
    Inventor: Jixian Hu