Inventor

YIP CHING WA

CN5 patents

⚠️ This page may combine multiple inventors who share the name “YIP CHING WA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DEEP SENTINEL CORP

3 patents

US10373458B2Aug 6, 2019

Automatic threat detection based on video frame delta information in compressed video streams

DEEP SENTINEL CORP10 citations80

US10304303B2May 28, 2019

System and method for a security checkpoint using radio signals

DEEP SENTINEL CORP5 citations69

US12574477B2Mar 10, 2026

Distributed deep learning using a distributed deep neural network

DEEP SENTINEL CORP0 citations48

SELINGER DAVID LEE

2 patents

US10109166B1Oct 23, 2018

System and method for a security checkpoint using radio signals

SELINGER DAVID LEE17 citations90

US11074791B2Jul 27, 2021

Automatic threat detection based on video frame delta information in compressed video streams

SELINGER DAVID LEE2 citations70