Inventor · disambiguated record
Natsuo Ishiwata
Also filed as: ISHIWATA NATSUO
7 granted patents·2 pending applications·22 citations·filing 2001–2021
79Inventor score
Top patents by PatentIndex Score
9 records- 0187US6872074B2Method for discharging reduced product from a movable-hearth furnace and a discharging deviceJFE STEEL CORP·Filed 2004·Granted Mar 29, 2005·15 cites·6 claims
- 0282US11512899B2Blast furnace apparatus and operation method for blast furnaceJFE STEEL CORP·Filed 2019·Granted Nov 29, 2022·2 cites·4 claims
- 0376US7473393B2Method for discharging reduced product from a movable-hearth furnace and a discharging deviceJFE STEEL CORP·Filed 2006·Granted Jan 6, 2009·2 cites·4 claims
- 0466US7141205B2Method for discharging reduced product from a movable-hearth furnace and a discharging deviceJFE STEEL CORP·Filed 2004·Granted Nov 28, 2006·3 cites·4 claims
- 0562US12378615B2Blast furnace operation methodJFE STEEL CORP·Filed 2021·Granted Aug 5, 2025·0 cites·2 claims
- 0645US2011036204A1Method for producing reduced ironJFE STEEL CORP·Filed 2009·Application pending·0 cites
- 0744US11940215B2Blast furnace apparatus and operation method for blast furnaceJFE STEEL CORP·Filed 2019·Granted Mar 26, 2024·0 cites·9 claims
- 0843US8298316B2Method for producing pig ironISHIWATA NATSUO·Filed 2009·Granted Oct 30, 2012·0 cites·16 claims
- 0942US2002053307A1Method for discharging reduced product from a moveable-hearth furnace and a discharging deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →