Patents by Inventor Hsiao-Kwang Lee

Hsiao-Kwang Lee 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).

  • Method for producing a bio-coal
    Patent number: 9096810
    Abstract: A method for producing a bio-coal includes the following steps: (a) lowering the moisture content of a fiber residue obtained after oil extraction of oil palm fruit to less than 25%; (b) after step (a), cutting the fiber residue; (c) after step (b), pelletizing the fiber residue into short-fiber pellets; (d) drying the short-fiber pellets to reduce the moisture content of the short-fiber pellets to below 10%; and (e) after step (d), carbonizing the short-fiber pellets at a temperature below 300° C.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 4, 2015
    Assignee: China Steel Corporation
    Inventors: Ming-Tsai Hung, Chao-Wen Chen, Der-Her Wang, Hsiao-Kwang Lee, Jung-Tung Yang, Yung-Ping Chu, Huang-Chih Cheng