TS

Takuma Sekiya

RI Riken: 1 patents #14 of 151Top 10%
Overall (2019): #250,769 of 560,194Top 45%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10352446 Combined oil control ring Takayuki Ichikawa 2019-07-16