Patents by Inventor Yoke Yau Kok

Yoke Yau Kok 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).

  • VoIP terminal capable of having conversation through both internet and PSTN
    Patent number: 7675904
    Abstract: A VoIP terminal, which supports to make a phone call through both PSTN and Internet is disclosed. A local subscriber may choose to have a conversation through PSTN or Internet on his own. Besides, by reference to a switch such as a relay, the VoIP terminal is able to establish a PSTN connection under some special cases, such as the terminal power off or Internet shutdown.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: March 9, 2010
    Assignee: Inventec Multimedia & Telecom Corporation
    Inventors: Hong Chou, Min-Chieh Wu, Yu-Min Shen, Hsiao-Wen Tin, Chia-Hsuan Wu, Yoke Yau Kok