SI

Susumu Izumi

IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #4,052,937 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4388068 Metal heating furnace Osamu Takeuchi, Hiroshi Hasegawa, Naoki Otsuki 1983-06-14