HY

Hiroyuki Yabune

RI Riken: 1 patents #23 of 137Top 20%
Overall (2020): #447,667 of 565,922Top 80%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10557551 Combined oil control ring Hiroshi Shimizu 2020-02-11