HO

Hirotoshi Otsuki

SI Sumitomo Rubber Industries: 5 patents #438 of 1,637Top 30%
Overall (All Time): #966,893 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11118034 Tire Yuki KASAI 2021-09-14
10603958 Airless tire Wako Iwamura, Makoto Sugiya 2020-03-31
10174185 Pneumatic tire 2019-01-08
10131763 Modified natural rubber, process for producing same, rubber composition for tire, and pneumatic tire Toshiaki Sakaki, Yuka Yokoyama, Tatsuya Miyazaki, Ryo Mashita 2018-11-20
7893147 Radial tire 2011-02-22