P

Inventor

DING JIANSHENG

CN12 patents
⚠️ This page may combine multiple inventors who share the name “DING JIANSHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WANHUA CHEMICAL GROUP CO LTD

4 patents

DING JIANSHENG

3 patents

NINGBO WANHUA POLYURETHANES CO

2 patents

WANG YE

1 patent

ZHANG HONGKE

1 patent

SHANG YONGHUA

1 patent