SO

Sakae Okubo

SI Sumitomo Rubber Industries: 3 patents #635 of 1,637Top 40%
Overall (All Time): #1,407,814 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11236223 Rubber composition for inner liner and pneumatic tire Hiroshi Ito, Kei Kohara 2022-02-01
11097447 Method for producing rubber member Tomoo Tanaka, Masayuki Sakamoto, Takafumi Taguchi, Takuma Konishi 2021-08-24
9267020 Rubber composition and pneumatic tire Toshikazu Kondo, Jun Okamoto, Ryoichi Kasahara, Kenji Murata, Kazuhiro Kodama +1 more 2016-02-23