KY

Kazuyuki Yamahata

RI Riken: 1 patents #14 of 151Top 10%
Overall (2019): #391,006 of 560,194Top 70%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10197160 Oil ring Daisuke Nakamura, Mitsuhiro Adachi 2019-02-05