Inventor
NAKASHIMA HIROHISA
JP8 patents
⚠️ This page may combine multiple inventors who share the name “NAKASHIMA HIROHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON KOKAN KK
7 patentsUS6316106B1Nov 13, 2001
Filler sand for a ladle tap hole valve
NIPPON KOKAN KK19 citations88
US4551174ANov 5, 1985
Method of refining molten steel by arc process
NIPPON KOKAN KK7 citations71
US4652308AMar 24, 1987
Process for refining molten steel
NIPPON KOKAN KK5 citations60
US4652306AMar 24, 1987
Method of refining molten steel by arc process
NIPPON KOKAN KK2 citations60
US4552587ANov 12, 1985
Method of operating ladle refining furnace
NIPPON KOKAN KK5 citations60
US4674101AJun 16, 1987
Arc-heating type extra-furnace refining apparatus
NIPPON KOKAN KK5 citations58
US4551173ANov 5, 1985
Method for adjusting composition of molten steel in arc process
NIPPON KOKAN KK5 citations57