Patents by Inventor Cheng Hia Kang

Cheng Hia Kang 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).

  • Ferrofluid pivot bearing
    Publication number: 20020158529
    Abstract: A ferrofluid pivot bearing has a shaft, at least a first magnetic element fixedly attached to the shaft, a housing containing the magnetic element such that the housing is rotatable about the magnetic element, and a quantity of magnetic fluid within the housing.
    Type: Application
    Filed: October 9, 2001
    Publication date: October 31, 2002
    Inventors: Yulan Liu, Cheng Hia Kang, Terutoshi Komatsu