Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Peijun Chen
Hangzhou
CN
1 patent
2 Patents
US12289157
2025
Two-phase Access Authentication Method Integrating Spatial-temporal Features in Space-air-ground Integrated Networks
ZHEJIANG LAB
0 cites
USD0983559
2023
Soap Dispenser
0 cites