HN

Hu-Dong Niu

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,801,103 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D980182 Record player — 2023-03-07
9469904 Surface processing method for a high hardness and abrasion resistant zinc alloy surface of imitation plating hexvalent chromium Ying Wang, Song Ming, Zi-bao Wu 2016-10-18