AI

Akio Iakashima

Bridgestone: 1 patents #1,586 of 2,860Top 60%
JR Japan Synthetic Rubber: 1 patents #256 of 558Top 50%
Overall (All Time): #3,962,164 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4782119 Rubber composition comprising a styrene-butadiene block copolymer having two kinds of blocks Fumio Tsutsumi, Mitsuhiko Sakakibara, Noboru Oshima, Tatsuo Fujimaki, Yoshiyuki Morimoto 1988-11-01