RK

Ryoji Kojima

SI Sumitomo Rubber Industries: 1 patents #87 of 237Top 40%
📍 Tochigi, MA: #2 of 6 inventorsTop 35%
Overall (2022): #277,214 of 548,613Top 55%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11261314 Pneumatic tire Tsuyoshi Tsuchida, Yukari TOMISAKI 2022-03-01