SH

Seiichi Hirayama

The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
Overall (All Time): #3,815,163 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5178704 Spirally winding a belt reinforcing layer for a pneumatic radial tire at a higher density beneath the groove areas Ryoji Hanada, Katsuhide Kawaguchi 1993-01-12