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Eric Y. Chen, Ph.D.

 Eric Chenチェン

International Patents

US Patent 7,188,366

Distributed Denial of Service Attack Defense Method and Device

ＷＯ2006/040910

Distributed Denial of Service Attack Defense Method and Device

ＷＯ2006/040895

Distributed Denial of Service Attack Defense Method and Device

Japanese Patents

Publication No. 2007−267151　　

SIP Traffic Anomaly Detection System and Method

Publication No. 2007−189540

DNS Server Selection Method

Publication No. 2007−189539

A System that Filters VoIP Spams using Turing Tests

Publication No. 2007−166154

DoS Attack Detection Method based on the Ratio of Incoming and Outgoing Traffic

Publication No. 2006−186845

A System that Builds a Whitelist of Legitimate Source IP Addresses during a DoS Attack

Publication No. 2005−229234

Detecting DDoS Attacks by Analyzing Client Response Patterns  

Publication No. 2004−158044

Software Module Dispatch System and Method

Publication No. 2003−283572

Distributed Denial of Service Attack Defense Method and Device

Publication No. 2003−283571

Denial of Service Attack Defense Method and Device

Publication No. 2003−283555

Distributed Denial of Service Attack Defense Method and Device

Patent No. 3699941 / Publication No. 2003−283554

Distributed Denial of Service Attack Defense Method and Device

Publication No. 2003−283548

Packet Processing Method that Supports Active Networks

Publication No. 2003−022139

Program Module Deployment to Intermediary Network Devices

Publication No. 2002−335246

Network Intrusion Detection System

Publication No. 2002−335244

A Method that Supports Dynamic Deployment of New Network Services

Publication No. 2002−164938

Distributed Denial of Service Attack Defense Method and Device

Publication No. 2001−156838

Network Resource Reservation System and Method