Patents by Inventor Ying-Chu Hsiao

Ying-Chu Hsiao 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).

  • Key management system and method for wireless networks
    Publication number: 20090110196
    Abstract: A key management method for wireless networks is disclosed. Before a mobile station residing in a first ASN switches to a neighboring second ASN, an authentication process between the mobile station and the second ASN is implemented. Thus, the authentication process is not required when the mobile station is switching to the second ASN.
    Type: Application
    Filed: March 25, 2008
    Publication date: April 30, 2009
    Inventors: Frank Chee-Da Tsai, Yi-Chung Shen, Jian-Chian Chiou, Hung-Min Sun, Shuai-Min Chen, Yue-Hsun Lin, Ying-Chu Hsiao