KN

Kazuo Nagatomo

NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,866,567 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5175405 Method of automatically welding rails Kenichi Karimine, Makoto Okumura, Koichi Shinada, Nobuyuki Aoki, Hirohisa Fujiyama 1992-12-29