Inventor
NGUYEN HAROLD
US20 patents
⚠️ This page may combine multiple inventors who share the name “NGUYEN HAROLD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROOFPOINT INC
17 patentsUS10679088B1Jun 9, 2020
Visual domain detection systems and methods
PROOFPOINT INC26 citations93
US11201850B2Dec 14, 2021
Domain name processing systems and methods
PROOFPOINT INC5 citations82
US10785188B2Sep 22, 2020
Domain name processing systems and methods
PROOFPOINT INC6 citations82
US11995541B2May 28, 2024
Systems and methods for location threat monitoring
PROOFPOINT INC2 citations72
US11580760B2Feb 14, 2023
Visual domain detection systems and methods
PROOFPOINT INC2 citations72
US10789355B1Sep 29, 2020
Spammy app detection systems and methods
PROOFPOINT INC1 citations72
US11665135B2May 30, 2023
Domain name processing systems and methods
PROOFPOINT INC3 citations71
US10896473B2Jan 19, 2021
Detection and prevention of fraudulent activity on social media accounts
PROOFPOINT INC3 citations71
US12388869B2Aug 12, 2025
Message management platform for performing impersonation analysis and detection
PROOFPOINT INC0 citations62
US12041086B2Jul 16, 2024
Message management platform for performing impersonation analysis and detection
PROOFPOINT INC0 citations62
US11552990B2Jan 10, 2023
Message management platform for performing impersonation analysis and detection
PROOFPOINT INC0 citations62
US12417279B2Sep 16, 2025
Spammy app detection systems and methods
PROOFPOINT INC0 citations61
US12347212B2Jul 1, 2025
Visual domain detection systems and methods
PROOFPOINT INC0 citations61
US11710195B2Jul 25, 2023
Detection and prevention of fraudulent activity on social media accounts
PROOFPOINT INC0 citations61
US11615182B2Mar 28, 2023
Spammy app detection systems and methods
PROOFPOINT INC0 citations61
US11252123B2Feb 15, 2022
Classifying social entities and applying unique policies on social entities based on crowd-sourced data
PROOFPOINT INC0 citations59
US12307531B2May 20, 2025
Detection and prevention of fraudulent activity on social media accounts
PROOFPOINT INC0 citations56