This inventor holds 5 USPTO granted patents. Top assignee: Calix Limited. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Youwu Tu: Innovator in Network Access Control
Introduction
Youwu Tu is a prominent inventor based in Nanjing, China. He has made significant contributions to the field of network access control, holding 5 patents that focus on enhancing security measures in client-server communications.
Latest Patents
Tu's latest patents include innovative technologies aimed at controlling network access. The first patent, titled "Controlling network access using risk levels determined by user activity and program versioning," describes a component that manages network access by assessing the risk level of a client based on application software versions. This component negotiates with the client using a set of high-security programs when the risk level is high and employs a mix of high and low-security programs when the risk is not as critical. It also utilizes secure network protocols for communication, making it suitable for integration into a zero trust network access (ZTNA) system.
The second patent, "Controlling network access using negotiated encryption programs based on resource requirements," outlines a component that determines network access based on negotiation proposals from the client. This component evaluates the compatibility of programs with the client and considers the resource requirements of each program to avoid overload. It sends a second negotiation proposal to the client, ensuring efficient resource management during the negotiation process.
Career Highlights
Youwu Tu is currently employed at Calix Limited, where he continues to develop innovative solutions in network security. His work focuses on creating systems that enhance the security and efficiency of network communications.
Collaborations
Tu collaborates with notable colleagues, including Yongsheng Xue and Tian Deng, who contribute to his projects and innovations in the field.
Conclusion
Youwu Tu is a key figure in the realm of network access control, with his patents reflecting a commitment to improving security protocols. His contributions are vital in the ongoing evolution of secure network communications.