DH

Dongfeng He

Overall (2025): #402,211 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12429323 Involute gear profile artifact for large gear traceable metrology Jialin Zhang, Jianhua Wang, Peili Yin, Shaokang Li, Bingqing Jiang +6 more 2025-09-30