Inventor
ZHU ZHENGANG
CN3 patents
Patents
3 patentsUS11487912B2Nov 1, 2022
Method and system for 3D visually monitoring a building, and memorizer
CARRIER CORP0 citations57
US11011034B2May 18, 2021
Egress controller, egress control system and mobile communication terminal
CARRIER CORP0 citations57
US11113516B2Sep 7, 2021
People flow estimation system and people flow estimation method
CARRIER CORP0 citations47