HJ

Hongfei Ji

Shimano: 1 patents #486 of 759Top 65%
Overall (All Time): #3,135,102 of 4,157,543Top 80%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8888629 Bicycle sprocket assembly with chain protector 2014-11-18