NF

Ninghan Feng

Overall (2025): #266,437 of 469,880Top 60%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12420055 Method of preparing urinary catheter having balloon of three cavities at top end of urinary catheter Yuwei Zhang, Yangkun Feng, Ye Hua, Yang Wang, Menglu Li +3 more 2025-09-23