YH

Yalan Han

Overall (All Time): #1,866,001 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10895032 Vibration squeeze drum washing machine Chao Han 2021-01-19
9118248 Naturally freewheeling alternating current chopper main circuit structure — 2015-08-25