P

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 patents
US10679088B1Jun 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

TUGBOAT LOGIC INC

1 patent

NEXGATE INC

1 patent

Proofpoint

1 patent