DR

David M. Roggeman

Bridgestone: 27 patents #46 of 2,860Top 2%
BO Bridgestone Americas Tire Operations: 2 patents #144 of 375Top 40%
TR The Firestone Tire & Rubber: 2 patents #74 of 233Top 35%
BF Bridgestone Firestone: 1 patents #131 of 276Top 50%
📍 North Royalton, OH: #6 of 245 inventorsTop 3%
🗺 Ohio: #1,668 of 73,341 inventorsTop 3%
Overall (All Time): #116,607 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
5489660 Copolymers of conjugated dienes and aromatic vinyl compounds prepared by continuous process Jung W. Kang, Takatsugu Hashimoto 1996-02-06
5272207 Process for continuously producing cyclicly tapered SBR-type copolymers James E. Hall 1993-12-21
5231152 Continuous process for preparing copolymers of conjugated dienes and aromatic vinyl compounds Jung W. Kang, Takatsugu Hashimoto 1993-07-27
5096943 Method for incorporating metal salts of .alpha.,.beta.-ethylenically unsaturated carboxylic acids in polymers Takatsugu Hashimoto, Arthur E. Oberster, Jung W. Kang 1992-03-17
4616048 Solution compounding process for achieving uniform, fine particle size dispersion of curing agents Mario N. De Trano, William L. Hergenrother, Ralph A. Maglio 1986-10-07
4501866 Continuous method for preparing high cis-1,4 polybutadiene Shrikant R. Malani, Jung W. Kang 1985-02-26