Inventor

HE CHANG

CN18 patents

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

HE CHANG

TENCENT TECH SHENZHEN CO LTD

Method and system of login authentication

Method, device and system for information verification

Method and device for information transmission

Method, terminal, server and system for information registration

Resource sharing method and terminal

Resource sharing method and terminal

Method and system for implementing near field communication

Method, terminal, server and system for information registration

Information input method, account information input method and terminal

Information input method, account information input method and terminal

Order processing system, method, device and storage medium

Resource sharing method and terminal

Lost account information recovery method and associated apparatus and system

UNIV HUAZHONG SCIENCE TECH

Gravity balancing device for rehabilitation robot arm

Upper limb exoskeleton rehabilitation device with man-machine motion matching and side-to- side interchanging

Reversible mechanical arm gravitational torque balancing device

HUAWEI TECH CO LTD

Method and apparatus for determining sidelink transmission resource

UNIV TIANJIN

Distributed optical fiber disturbance positioning system based on the asymmetric dual Mach-Zehnder interference, and positioning method thereof