Inventor
SU CHANGZHENG
CN15 patents
⚠️ This page may combine multiple inventors who share the name “SU CHANGZHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUAWEI TECH CO LTD
13 patentsUS11595196B2Feb 28, 2023
Quantum key distribution method and device, and storage medium
HUAWEI TECH CO LTD2 citations70
US12028450B2Jul 2, 2024
Quantum key relay method based on centralized management and control network, and apparatus
HUAWEI TECH CO LTD7 citations68
US10778341B2Sep 15, 2020
Quantum communication method and related apparatus
HUAWEI TECH CO LTD2 citations68
US7779266B2Aug 17, 2010
Method for controlling pluggable port on interface board of communication device and interface board
HUAWEI TECH CO LTD3 citations60
US11880068B2Jan 23, 2024
Space optical coupling apparatus
HUAWEI TECH CO LTD0 citations51
US11329810B2May 10, 2022
Continuous-variable quantum key distribution device and method
HUAWEI TECH CO LTD0 citations50
US10958427B2Mar 23, 2021
Original key recovery apparatus and method
HUAWEI TECH CO LTD0 citations50
US11875223B2Jan 16, 2024
Quantum bit control apparatus
HUAWEI TECH CO LTD0 citations49
US11444758B2Sep 13, 2022
Key generation device and method
HUAWEI TECH CO LTD0 citations49
US11044016B2Jun 22, 2021
Data transmission method, apparatus, and system
HUAWEI TECH CO LTD0 citations48
US12308135B2May 20, 2025
Ion trap system
HUAWEI TECH CO LTD0 citations44
US11327233B2May 10, 2022
Encoding apparatus using same polarization modes, and quantum key distribution device and system based on same
HUAWEI TECH CO LTD0 citations42
US10574364B2Feb 25, 2020
Quantum signal detection method and quantum signal detection apparatus
HUAWEI TECH CO LTD0 citations40