Inventor

ZHANG ZICHENG

CN2 patents

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

VALMET OY

1 patent

US11174591B2Nov 16, 2021

Green liquor clarification using sedimentation tank during white liquor preparation

VALMET OY0 citations41

GUANGZHOU AUTOMOBILE GROUP CO

1 patent

US12301733B2May 13, 2025

Vehicle digital certificate management method and device

GUANGZHOU AUTOMOBILE GROUP CO0 citations37