Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Keyu Ruan
Ningde
CN
4 patents
2 Patents
US12573673
2026
Battery Charge and Discharge Test Apparatus
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
0 cites
US12512520
2025
Testing Apparatus
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
0 cites