RO

Ryou Obara

RI Riken: 1 patents #30 of 129Top 25%
Overall (2018): #253,598 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9885417 Piston ring Kouhei Sugimoto, Yoshinari Watanabe, Toshikatsu Hayashi 2018-02-06