Inventor
WU ZHIZHUO
US8 patents
Patents
8 patentsUS11551497B2Jan 10, 2023
Communication interface device for wireless door controllers
CORNELLCOOKSON LLC3 citations71
US11512518B2Nov 29, 2022
Apparatus and method for door control
CORNELLCOOKSON LLC2 citations69
US12098979B2Sep 24, 2024
Communication interface device for wireless door controllers
CORNELLCOOKSON LLC0 citations60
US11952823B2Apr 9, 2024
Apparatus and method for door control
CORNELLCOOKSON LLC0 citations59
US12469373B2Nov 11, 2025
Door monitoring system and method
CORNELLCOOKSON LLC0 citations58
US11875655B2Jan 16, 2024
Door monitoring system and method
CORNELLCOOKSON LLC0 citations58
US11354988B1Jun 7, 2022
Door monitoring system and method
CORNELLCOOKSON LLC0 citations58
US12104425B2Oct 1, 2024
Apparatus and method for door control
CORNELLCOOKSON LLC0 citations48