SO

Sakae Okubo

SI Sumitomo Rubber Industries: 1 patents #87 of 237Top 40%
Overall (2022): #272,285 of 548,613Top 50%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11236223 Rubber composition for inner liner and pneumatic tire Hiroshi Ito, Kei Kohara 2022-02-01