Inventor · disambiguated record
Tetsuharu Ibaraki
Also filed as: IBARAKI TETSUHARU
15 granted patents·4 pending applications·83 citations·filing 1990–2025
91Inventor score
Files withNIPPON STEEL CORP7IBARAKI TETSUHARU5CLEAN PLANET INC3HIROSHIMA METAL & MACHINERY CO LTD2ICHIKAWA HIROSHI1
Top patents by PatentIndex Score
19 records- 0181US6755888B2Facility for reducing metal oxide, method for operating the facilities and moldings as raw material to be charged to reduction furnaceNIPPON STEEL CORP·Filed 2000·Granted Jun 29, 2004·15 cites·11 claims
- 0280US11499789B2Heat utilization system, and heat generating deviceCLEAN PLANET INC·Filed 2019·Granted Nov 15, 2022·2 cites·33 claims
- 0376US5078785AMethod of operating in-bath smelting reduction furnaceNIPPON STEEL CORP·Filed 1990·Granted Jan 7, 1992·34 cites·8 claims
- 0473US6986801B2Method of producing reduced iron compacts in rotary hearth-type reducing furnace, reduced iron compacts, and method of producing molten iron using themNIPPON STEEL CORP·Filed 2002·Granted Jan 17, 2006·9 cites·12 claims
- 0571US2025257908A1Heat utilization system and heat generating deviceCLEAN PLANET INC·Filed 2025·Application pending·0 cites
- 0670US8440016B2Sulfate resistant ground granulated blast furnace slag, sulfate resistant cement, and method of production of sameIBARAKI TETSUHARU·Filed 2009·Granted May 14, 2013·3 cites·6 claims
- 0769US9034074B2Process for producing reduced iron pellets, and process for producing pig ironIBARAKI TETSUHARU·Filed 2008·Granted May 19, 2015·1 cites·16 claims
- 0867US8092574B2Method of producing reduced iron cast, and method of producing pig ironIBARAKI TETSUHARU·Filed 2008·Granted Jan 10, 2012·1 cites·10 claims
- 0967US6993855B2Method for drying compact containing metal oxide, method for reducing metal oxide, and rotary-hearth-type metal reducing furnaceNIPPON STEEL CORP·Filed 2002·Granted Feb 7, 2006·4 cites·13 claims
- 1065US8419851B2Sulfate resistant cementIBARAKI TETSUHARU·Filed 2008·Granted Apr 16, 2013·2 cites·10 claims
- 1164US12287126B2Heat utilization system and heat generating deviceCLEAN PLANET INC·Filed 2019·Granted Apr 29, 2025·0 cites·12 claims
- 1260US7192552B2Facility for reducing metal oxide, method of operating the same, and shaped article of raw material for reducing furnaceNIPPON STEEL CORP·Filed 2004·Granted Mar 20, 2007·2 cites·7 claims
- 1357US2023256453A1Bead millHIROSHIMA METAL & MACHINERY CO LTD·Filed 2023·Application pending·0 cites
- 1455US7879132B2Method for reduction treatment of metal oxide or ironmaking waste and method for concentration and recovery zinc and/or leadNIPPON STEEL CORP·Filed 2003·Granted Feb 1, 2011·1 cites·5 claims
- 1554US8308844B2Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or leadICHIKAWA HIROSHI·Filed 2011·Granted Nov 13, 2012·0 cites·10 claims
- 1650US12285526B2Nanoparticle composition with reduced contaminant and production method thereofSHIONOGI & CO·Filed 2020·Granted Apr 29, 2025·0 cites·17 claims
- 1748US5135572AMethod for in-bath smelting reduction of metalsNIPPON STEEL CORP·Filed 1990·Granted Aug 4, 1992·9 cites·5 claims
- 1846US2022287985A1Organic nanoparticle production method and organic nanoparticlesHIROSHIMA METAL & MACHINERY CO LTD·Filed 2020·Application pending·0 cites
- 1944US2009102088A1Method for molding waste plastic and method for thermal decomposition of plasticIBARAKI TETSUHARU·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →