Assignee
NKK STEEL ENGINEERING INC
US·3 granted patents·29 citations·filing 1997–1998
Top patents by PatentIndex Score
3 records- 0161US5956366AArc furnace and method in which molten material is stirred and the arc is guidedNKK STEEL ENGINEERING INC·Filed 1997·Granted Sep 21, 1999·10 cites·14 claims
- 0259US6137822ADirect current arc furnace and a method for melting or heating raw material or molten materialNKK STEEL ENGINEERING INC·Filed 1998·Granted Oct 24, 2000·10 cites·11 claims
- 0340US6038246AMethod and apparatus for operating a furnaceNKK STEEL ENGINEERING INC·Filed 1997·Granted Mar 14, 2000·9 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when NKK STEEL ENGINEERING INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →