YK

Yujirou Kobayashi

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,231,539 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6305206 Reversible rolling method and reversible rolling system 2001-10-23
6151945 Cluster type rolling mill and rolling method Yasutsugu Yoshimura, Toshiyuki Yoshimura, Yoshio Takakura, Hidekazu Tabata 2000-11-28