Patents by Inventor Chung-E Wang

Chung-E Wang 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).

  • Cryptography in data compression
    Publication number: 20040076299
    Abstract: Cryptographic methods for concealing information in data compression processes. The invention includes novel approaches of introducing pseudo random shuffles into the processes of dictionary coding (Lampel-Ziv compression), Huffman coding, and arithmetic coding.
    Type: Application
    Filed: October 18, 2002
    Publication date: April 22, 2004
    Inventor: Chung-E Wang