Inventor
ISHIWATA NATSUO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “ISHIWATA NATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
6 patentsUS6872074B2Mar 29, 2005
Method for discharging reduced product from a movable-hearth furnace and a discharging device
JFE STEEL CORP15 citations91
US11512899B2Nov 29, 2022
Blast furnace apparatus and operation method for blast furnace
JFE STEEL CORP2 citations67
US7473393B2Jan 6, 2009
Method for discharging reduced product from a movable-hearth furnace and a discharging device
JFE STEEL CORP2 citations61
US7141205B2Nov 28, 2006
Method for discharging reduced product from a movable-hearth furnace and a discharging device
JFE STEEL CORP3 citations61
US12378615B2Aug 5, 2025
Blast furnace operation method
JFE STEEL CORP0 citations56
US11940215B2Mar 26, 2024
Blast furnace apparatus and operation method for blast furnace
JFE STEEL CORP0 citations46