YF

Yoshifumi Fujioka

JS Jfe Steel: 1 patents #825 of 1,401Top 60%
Overall (All Time): #3,139,263 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8912462 Method of manufacturing electric resistance welding pipes having excellent characterization of welded seams Kazuhito Kenmochi, Takatoshi Okabe, Hiroyasu Yokoyama, Yuji Sugimoto, Kei Sakata +5 more 2014-12-16