YK

Yuzo Kumagai

Bridgestone: 6 patents #390 of 2,860Top 15%
BL Bridgestone Tire Company Limited: 2 patents #115 of 438Top 30%
📍 Kodaira, JP: #238 of 1,073 inventorsTop 25%
Overall (All Time): #669,780 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5181982 Tire forming drum including stitching supports Kichinosuke Nishimoto 1993-01-26
5156713 Tire building machine having a cylindrical member transfer apparatus Ryutaro Ishii, Kichinosuke Nishimoto 1992-10-20
5064330 Belt-shaped member taking-out and transfer apparatus 1991-11-12
5059274 Tire forming apparatus including upper and lower conveyors 1991-10-22
4875959 Tire forming method and apparatus 1989-10-24
4846907 Method of producing tire belts Yasutoshi Aoki 1989-07-11
4584050 Looped-article transfer apparatus Yuichiro Ogawa 1986-04-22
4292112 Tire building drum 1981-09-29