Patents by Inventor Chao-Hui Tsai

Chao-Hui Tsai 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).

  • Magnetized fan and method of fabricating the same
    Publication number: 20050147501
    Abstract: A magnetized fan and a method of fabricating the same are disclosed. The fan has a hub and a plurality of blades radially extending from a periphery of the hub. The fan is fabricated from magnetic material. Thereby, sectors are formed multiple N and S poles. To fabricate the fan, the N and S poles are arranged in accordance with the requirement of the sectors, and the magnetic material is injected to the fan according to the arrangement of the N and S poles. The magnetic material is then magnetized to generate magnetic force.
    Type: Application
    Filed: January 5, 2004
    Publication date: July 7, 2005
    Inventors: Ming-Kun Cheng, Chao-Hui Tsai, Chieh-Jen Lin, Jeremy Lee, Shih Chen