Inventor · disambiguated record
Koji Tokuda
Also filed as: TOKUDA KOJI
28 granted patents·9 pending applications·434 citations·filing 1998–2023
96Inventor score
Top patents by PatentIndex Score
37 records- 0194US6630010B2Method of producing metallic ironMIDREX INT BV ZUERICH·Filed 2001·Granted Oct 7, 2003·66 cites·10 claims
- 0294US6149709AMethod of making iron and steelKOBE STEEL LTD·Filed 1998·Granted Nov 21, 2000·98 cites·19 claims
- 0393US6592649B2Method of producing iron nuggetsMIDREX INT BV ZUERICH·Filed 2001·Granted Jul 15, 2003·49 cites·15 claims
- 0490US6569223B2Method of manufacturing molten metal ironMIDREX INT BV ZUERICH·Filed 2001·Granted May 27, 2003·38 cites·18 claims
- 0589US6413295B2Iron production method of operation in a rotary hearth furnace and improved furnace apparatusMIDREX INTERNAT B V ROTTERDAM·Filed 1999·Granted Jul 2, 2002·70 cites·34 claims
- 0683US6284018B1Method of making iron and steelKOBE STEEL LTD·Filed 2000·Granted Sep 4, 2001·15 cites·2 claims
- 0782US6210462B1Method and apparatus for making metallic ironKOBE STEEL LTD·Filed 1998·Granted Apr 3, 2001·39 cites·15 claims
- 0880US7806959B2Metallic iron nuggetsMIDREX INT BV ZUERICH·Filed 2007·Granted Oct 5, 2010·2 cites·13 claims
- 0974US9310133B2Rotary hearth furnace exhaust gas duct apparatus and method for operating sameMIZUTANI NORIAKI·Filed 2011·Granted Apr 12, 2016·2 cites·16 claims
- 1072US12497668B2Hot metal production from DRI with electric arc heatingMIDREX TECHNOLOGIES INC·Filed 2023·Granted Dec 16, 2025·0 cites·11 claims
- 1172US7674316B2Method for producing metallic ironMIDREX INT BV ZUERICH·Filed 2008·Granted Mar 9, 2010·1 cites·15 claims
- 1271US8617459B2Method and apparatus for manufacturing granular metallic ironTOKUDA KOJI·Filed 2012·Granted Dec 31, 2013·1 cites·10 claims
- 1371US8012236B2Method and apparatus for producing reduced metalKOBE STEEL LTD·Filed 2004·Granted Sep 6, 2011·5 cites·10 claims
- 1471US7768447B2Radar apparatus and the likeMAXSEA INTERNAT S A S·Filed 2007·Granted Aug 3, 2010·10 cites·25 claims
- 1566US8377169B2Method and apparatus for manufacturing granular metallic ironKOBE STEEL LTD·Filed 2007·Granted Feb 19, 2013·3 cites·3 claims
- 1666US8034283B2Rotary hearth furnace and method of operating the sameKOBE STEEL LTD·Filed 2006·Granted Oct 11, 2011·1 cites·7 claims
- 1764US8157888B2Process for producing molten ironITO SHUZO·Filed 2007·Granted Apr 17, 2012·2 cites·6 claims
- 1863US8620106B2Chart display device and method for displaying chartPRYSZO BRICE·Filed 2008·Granted Dec 31, 2013·6 cites·33 claims
- 1963US7160353B2Process for producing molten ironKOBE STEEL LTD·Filed 2003·Granted Jan 9, 2007·3 cites·24 claims
- 2063US2007258843A1Metallic iron nuggetsMIDREX INTERNAT B V ZURICH·Filed 2007·Application pending·0 cites
- 2162US7462219B2Production method of metal ironKOBE STEEL LTD·Filed 2002·Granted Dec 9, 2008·2 cites·6 claims
- 2260US6689182B2Method and device for producing molten ironKOBE STEEL LTD·Filed 2001·Granted Feb 10, 2004·12 cites·19 claims
- 2360US2006248981A1Granular metallic ironMIDREX INT BV ZUERICH·Filed 2006·Application pending·0 cites
- 2459US2006070495A1Granular metallic ironMIDREX INT BV ZUERICH·Filed 2005·Application pending·0 cites
- 2557US12281365B2Method for producing molten steelKOBE STEEL LTD·Filed 2020·Granted Apr 22, 2025·0 cites·4 claims
- 2657US12276002B2Molten steel production methodKOBE STEEL LTD·Filed 2020·Granted Apr 15, 2025·0 cites·7 claims
- 2756US8187359B2Granulated metallic iron superior in rust resistance and method for producing the sameTOKUDA KOJI·Filed 2006·Granted May 29, 2012·2 cites·15 claims
- 2851US7369461B2Acoustic transducer and underwater sounding apparatusFURUNO ELECTRIC CO·Filed 2006·Granted May 6, 2008·2 cites·10 claims
- 2951US2012007292A1Method and apparatus for producing reduced metalTOKUDA KOJI·Filed 2011·Application pending·0 cites
- 3049US11549155B2Reduced iron production method and production apparatusKOBE STEEL LTD·Filed 2017·Granted Jan 10, 2023·0 cites·7 claims
- 3149US2004076539A1Granular metallic ironFiled 2002·Application pending·0 cites
- 3249US2006021469A1Process for producing molten ironKABSUHIKI KAISHA KOBE SEIKO SH·Filed 2003·Application pending·0 cites
- 3348US2008063749A1Mead making methodTOKUDA KOJI·Filed 2007·Application pending·0 cites
- 3447US2004173054A1Method of manufacturing metal ironFiled 2002·Application pending·0 cites
- 3546US11428468B2Rotary hearth furnace, and method for producing reduced iron using rotary hearth furnaceKOBE STEEL LTD·Filed 2017·Granted Aug 30, 2022·0 cites·19 claims
- 3645US6778467B2Underwater sounding apparatusFURUNO ELECTRIC CO·Filed 2002·Granted Aug 17, 2004·5 cites·21 claims
- 3741US2002005089A1Method of and apparatus for manufacturing the metallic ironKOBE STEEL LTD·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →