Inventor

SUN KEYUAN

CN2 patents

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

NANJING COMPTECH COMPOSITES CORP

1 patent

US12172348B2Dec 24, 2024

Compression molding die for I-shaped part

NANJING COMPTECH COMPOSITES CORP0 citations38

KUNMING METALLURGICAL RES INSTITUTE CO LTD

1 patent

US12479745B2Nov 25, 2025

Method for treating polluted acidic wastewater from smelting with activated pyrite concentrate

KUNMING METALLURGICAL RES INSTITUTE CO LTD0 citations34