SI

Shuji Imaoka

SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #2,114,317 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8058339 Rubber composition for tire and pneumatic tire Takafumi Taguchi 2011-11-15
5430086 Rubber composition for tire treads Yuichi Saito, Toru Fukumoto, Keisaku Yamamoto, Kizuku Wakatsuki, Mitsuji Tsuji 1995-07-04