RO

Ryo Obara

RI Riken: 1 patents #29 of 126Top 25%
Overall (2016): #242,224 of 481,213Top 55%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9353864 Oil ring for internal combustion engine Yunzhi Gao, Junichi Takahashi, Gyo Muramatsu, Tetsuji Miyashita, Tadahiko Watanabe 2016-05-31