Inventor
ZHANG HANGFANG
US7 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG HANGFANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ORIGIN WIRELESS INC
4 patentsUS10735298B2Aug 4, 2020
Method, apparatus, server and system for vital sign detection and monitoring
ORIGIN WIRELESS INC16 citations85
US10374863B2Aug 6, 2019
Apparatus, systems and methods for event recognition based on a wireless signal
ORIGIN WIRELESS INC15 citations85
US10495725B2Dec 3, 2019
Method, apparatus, server and system for real-time vital sign detection and monitoring
ORIGIN WIRELESS INC11 citations83
US10397039B2Aug 27, 2019
Apparatus, systems and methods for fall-down detection based on a wireless signal
ORIGIN WIRELESS INC12 citations83