RO

Ryuzo Osawa

Bridgestone: 2 patents #1,066 of 2,860Top 40%
BM Bridgestone Metalpha: 1 patents #10 of 19Top 55%
Overall (All Time): #2,240,954 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6102095 Corrosion resistant steel cords and pneumatic tires reinforced with same Naohiko Obana, Yoshikazu Kaneko 2000-08-15
4904553 Polyaniline Tadashi Nakajima, Shinichi Toyosawa, Shigeru Kijima, Katsuhiko Arai, Yuko Maeda +4 more 1990-02-27