KK

Kouji Kawaguchi

SI Sumitomo Rubber Industries: 2 patents #60 of 295Top 25%
📍 Izumi, JP: #3 of 18 inventorsTop 20%
Overall (2020): #150,648 of 565,922Top 30%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10738181 Rubber composition and pneumatic tire Tatsuya Miyazaki, Naoya Hashimoto 2020-08-11
10550247 Rubber composition for tires, and pneumatic tire Ryuichi Tokimune, Naoya Kitamura, Naoya Hashimoto 2020-02-04