P

Inventor

DING HAIYAN

CN9 patents
⚠️ This page may combine multiple inventors who share the name “DING HAIYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHINA TOBACCO YUNNAN IND CO LTD

3 patents

SCHROEDER CAROLA

3 patents

OCTAPHARMA AG

1 patent

QIWEI MEDICAL TECH SHENZHEN CO LTD

1 patent

UNIV YANTAI

1 patent