YH

Yoshikatsu Hiratsuka

SI Sumitomo Heavy Industries: 2 patents #10 of 62Top 20%
Overall (2018): #87,774 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9976780 Stirling-type pulse tube refrigerator Kyosuke Nakano 2018-05-22
9964340 Stirling refrigerator Kyosuke Nakano, Kenta Yumoto 2018-05-08