PY

Pengda Yan

SI Sumitomo Heavy Industries: 1 patents #20 of 62Top 35%
Overall (2018): #276,510 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10006669 Cryogenic refrigerator and cooling method Zui Ri 2018-06-26