Inventor · Nanhu, CN

Qing Li

56Patents
6h-index
72Co-inventors
75Inventor score

Filing activity: Aug 21, 2002 → Mar 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7683793B2 Time-dependent classification and signaling of evacuation route safety Physics 54 Active
US8130747B2 System and method of traffic inspection and stateful connection forwarding among geographically dispersed network appliances organized as clusters Electricity 53 Active
US7924832B2 Facilitating transition of network operations from IP version 4 to IP version 6 Electricity 17 Active
US8839404B2 System and method for building intelligent and distributed L2-L7 unified threat management infrastructure for IPv4 and IPv6 environments Electricity 12 Active
US8032641B2 Assymmetric traffic flow detection Electricity 8 Active
US10630677B1 Systems and methods for protecting users Electricity 7 Active
US7629894B2 Methods and systems for controlling directional sounders for route guidance Physics 6 Active
US8813189B2 System and method for capturing network traffic Electricity 5 Active
US11283768B1 Systems and methods for managing connections Electricity 5 Active
US7210044B2 Mobile phone with an encryption function Electricity 5 Expired
US7936766B2 System and method for separating logical networks on a dual protocol stack Electricity 5 Active
US11140136B1 Systems and methods for enhancing user privacy Electricity 4 Active
US8639837B2 System and method of traffic inspection and classification for purposes of implementing session ND content control Electricity 4 Active
US7743160B2 System and method of delaying connection acceptance to support connection request processing at layer-7 Electricity 4 Active
US10880265B1 Systems and methods for improving network efficiency Electricity 4 Active
US11303643B1 Systems and methods for protecting users Electricity 4 Active
US8253574B2 Systems and methods to predict fire and smoke propagation Physics 3 Active
US7058841B2 System and method for implementing a timer facility Physics 3 Expired
US11323454B1 Systems and methods for securing communications Electricity 3 Active
US9455950B1 System and method for implementing traffic optimization for overlay networks Electricity 3 Active
US8458344B2 Establishing tunnels between selective endpoint devices along communication paths Electricity 3 Active
US10852150B2 Methods and apparatuses for fuel consumption prediction Physics 3 Active
US6876601B2 Timer facility for a stack or operating system Physics 2 Expired
US10708770B1 Systems and methods for protecting users Electricity 2 Active
US11374903B1 Systems and methods for managing devices Electricity 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.