Location History:
- Newton, MA (US) (2012)
- Westford, MA (US) (2009 - 2013)
Company Filing History:
4 out of 33 
1 out of 832,912 Years Active: 2009-2013
Title: Innovations by Inventor Lizhong Zhang
Introduction
Lizhong Zhang is a notable inventor based in Westford, MA, who has made significant contributions to the field of telecommunications. With a total of five patents to his name, Zhang has focused on enhancing voice communication technologies over the Internet.
Latest Patents
One of Zhang's latest patents is a system and method for voice over Internet protocol (VoIP) and facsimile over Internet protocol (FoIP) calling over the Internet. This innovative system optimizes the performance of long-distance telephone calls by utilizing cost and quality of service data. It employs a network of gateways that convert analog calls into data packets for transmission over the Internet. The system also checks the quality of communications between gateways and uses this information to determine the most efficient routing for calls. Another significant patent involves using exception routing tables in an Internet-based telephone call routing system. This system allows for more personalized call routing based on client preferences, enhancing the overall user experience.
Career Highlights
Zhang has worked with various companies throughout his career, including iBasis, Inc. His experience in the telecommunications industry has allowed him to develop innovative solutions that address the challenges of Internet-based communication.
Collaborations
Zhang has collaborated with notable professionals in the field, including Ajay Joseph and Hwan Jang Tang. These collaborations have contributed to the advancement of his inventions and the development of new technologies.
Conclusion
Lizhong Zhang's contributions to telecommunications through his patents demonstrate his commitment to innovation and improving communication technologies. His work continues to influence the industry and pave the way for future advancements.