YH

Yoshikatsu Hiratsuka

SI Sumitomo Heavy Industries: 2 patents #4 of 49Top 9%
Overall (2017): #90,874 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9759459 Regenerator and regenerative refrigerator with insertion member 2017-09-12
9574798 U-shaped pulse-tube refrigerator Kyosuke Nakano 2017-02-21