HM

Haijun Ma

NS Nv Bekaert Sa: 2 patents #50 of 255Top 20%
Overall (All Time): #1,088,516 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12398512 Steel cord for rubber reinforcement Aijun Zhang, Yaodong Li 2025-08-26
12351980 Steel cord for rubber reinforcement Aijun Zhang 2025-07-08
11434205 Substituted imidazole carboxylate derivatives and the use thereof Changhua Wang, Zhenbiao XIE 2022-09-06
10850468 High-speed hydraulic forging press Lianhua Zhang, Hui Zhang 2020-12-01