RI

Ryutaro Ishii

Bridgestone: 6 patents #390 of 2,860Top 15%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
Overall (All Time): #766,744 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5348600 Method and apparatus for forming a cylindrical member 1994-09-20
5156713 Tire building machine having a cylindrical member transfer apparatus Kichinosuke Nishimoto, Yuzo Kumagai 1992-10-20
5051149 Tire building apparatus including bead supply means for bead setters 1991-09-24
4812196 Apparatus for sticking rubber sheet material 1989-03-14
4775433 Method and apparatus for manufacturing ring-shaped bodies 1988-10-04
4596617 Process and apparatus for joining a rubber sheet member on a drum 1986-06-24
4540131 Rolled sheet paying out transfer apparatus Yuichiro Ogawa 1985-09-10