Inventor

SUN YUANJING

CN2 patents

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

OTIS ELEVATOR CO

1 patent

US11299371B2Apr 12, 2022

System and method for detecting elevator maintenance behavior in elevator hoistway

OTIS ELEVATOR CO4 citations68

CARRIER CORP

1 patent

US11077826B2Aug 3, 2021

Method of processing ambient radio frequency data for activity recognition

CARRIER CORP1 citations57