PY

Pengda Yan

SI Sumitomo Heavy Industries: 2 patents #252 of 917Top 30%
Overall (All Time): #1,957,725 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10006669 Cryogenic refrigerator and cooling method Zui Ri 2018-06-26
7600385 Pulse tube cryogenic cooler — 2009-10-13