Inventor
YANG CHANGJUN
CN9 patents
⚠️ This page may combine multiple inventors who share the name “YANG CHANGJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAMEDATA TECH CO LIMITED
7 patentsUSD1022876SApr 16, 2024
Outdoor power supply
HAMEDATA TECH CO LIMITED5 citations68
US12255294B1Mar 18, 2025
Voltage drop circuit assembly of lithium battery and 1.5V lithium battery
HAMEDATA TECH CO LIMITED0 citations58
US12125992B1Oct 22, 2024
1.5V lithium battery and manufacturing method thereof
HAMEDATA TECH CO LIMITED1 citations57
US12300793B1May 13, 2025
1.5V lithium battery and manufacturing method thereof
HAMEDATA TECH CO LIMITED0 citations47
US12230818B1Feb 18, 2025
Voltage-reduced lithium battery and manufacturing method thereof
HAMEDATA TECH CO LIMITED0 citations47
US12394830B1Aug 19, 2025
Rechargeable lithium battery and manufacturing method thereof
HAMEDATA TECH CO LIMITED0 citations42
US12381293B1Aug 5, 2025
Preparation method, apparatus, device and medium for No. 5 lithium-ion battery
HAMEDATA TECH CO LIMITED0 citations42