RO

Ryozo Okada

SI Sumitomo Rubber Industries: 3 patents #635 of 1,637Top 40%
Overall (All Time): #1,649,823 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5429165 Pneumatic-shaped solid tire Kouji Ichikawa, Motoshi Tanigawa, Takashi Nishimura, Shigeki Yamanaka, Kiyoshige Muraoka 1995-07-04
5429169 Radial tire for motorcycle with two part bead apex Yasuo Igarashi, Toru Fukumoto, Kazuhiro Hirose 1995-07-04
5386866 Radial tire with band formed from plural ribbons Shigehiko Suzuki 1995-02-07