Inventor · disambiguated record

Yuki Toji

Also filed as: TOJI YUKI

28 granted patents·28 pending applications·38 citations·filing 2009–2023

93Inventor score

Technology areasC21D C22C C23C B23K B32B

Files withJFE STEEL CORP51 CLEVELAND CLIFFS STEEL PROPERTIES INC1 NAKAGAITO TATSUYA1 TAKASHIMA KATSUTOSHI1 THYSSENKRUPP STEEL EUROPE AG1

Top patents by PatentIndex Score

56 records

0196US10174396B2High-strength cold-rolled steel sheet and method for manufacturing the same (as amended)JFE STEEL CORP·Filed 2015·Granted Jan 8, 2019·9 cites·4 claims
0292US12442056B2High-strength galvanized steel sheet and member, and method for manufacturing sameJFE STEEL CORP·Filed 2022·Granted Oct 14, 2025·1 cites·20 claims
0392US12428700B2High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2022·Granted Sep 30, 2025·1 cites·12 claims
0492US11788163B2High-strength steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2019·Granted Oct 17, 2023·2 cites·4 claims
0591US9057123B2Hot-rolled steel sheet and method for producing sameJFE STEEL CORP·Filed 2012·Granted Jun 16, 2015·6 cites·12 claims
0683US11661642B2High-strength steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2019·Granted May 30, 2023·2 cites·5 claims
0783US9145594B2Method for manufacturing ultra high strength memberTOJI YUKI·Filed 2011·Granted Sep 29, 2015·4 cites·2 claims
0882US9574254B2Hot-rolled steel sheet and method for producing sameJFE STEEL CORP·Filed 2012·Granted Feb 21, 2017·2 cites·8 claims
0981US9011614B2High-strength galvanized steel sheet with excellent formability and method for manufacturing the sameNAKAGAITO TATSUYA·Filed 2009·Granted Apr 21, 2015·11 cites·20 claims
1068US2025197979A1High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2023·Application pending·0 cites
1168US2025197960A1High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2023·Application pending·0 cites
1268US2025223662A1High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2023·Application pending·0 cites
1368US2025197959A1High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2023·Application pending·0 cites
1467US2025171871A1High Strength, Cold Rolled Steel With Reduced Sensitivity to Hydrogen Embrittlement and Method for the Manufacture ThereofTHYSSENKRUPP STEEL EUROPE AG·Filed 2023·Application pending·0 cites
1566US2025137084A1High-strength steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
1665US12404565B2High-strength cold-rolled steel sheet, high-strength coated or plated steel sheet, method of producing high-strength cold-rolled steel sheet, and method of producing high-strength coated or plated steel sheetJFE STEEL CORP·Filed 2021·Granted Sep 2, 2025·0 cites·7 claims
1765US2024263287A1Hot-dip galvanized steel sheet and method for producing same, and memberJFE STEEL CORP·Filed 2022·Application pending·0 cites
1865US2024150876A1Clad steel plate, member, and production methods for sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
1965US2024158884A1Clad steel plate, member, and production methods for sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
2064US2024376577A1High strength steel sheet, high strength coated or plated steel sheet, methods of producing these, and memberJFE STEEL CORP·Filed 2022·Application pending·0 cites
2164US2024287636A1High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
2263US12467110B2High strength steel sheet, high strength coated or plated steel sheet, methods of producing same, and memberJFE STEEL CORP·Filed 2022·Granted Nov 11, 2025·0 cites·20 claims
2363US2024368719A1High strength steel sheet and method for manufacturing same and memberJFE STEEL CORP·Filed 2022·Application pending·0 cites
2463US2024360532A1High strength steel sheet, high strength coated or plated steel sheet, methods of producing these, and memberJFE STEEL CORP·Filed 2022·Application pending·0 cites
2563US2024352549A1Dehydrogenation apparatus, steel sheet production system, and steel sheet production methodJFE STEEL CORP·Filed 2022·Application pending·0 cites
2662US11459647B2High-strength cold rolled steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2018·Granted Oct 4, 2022·0 cites·8 claims
2762US2025084515A1High-strength steel sheet and method for producing sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
2860US11643700B2High-strength steel sheet and production method thereofJFE STEEL CORP·Filed 2019·Granted May 9, 2023·0 cites·4 claims
2960US11359256B2High-strength cold-rolled steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2018·Granted Jun 14, 2022·0 cites·8 claims
3060US2024167127A1High-strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2021·Application pending·0 cites
3160US2024110264A1High-strength cold-rolled steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
3260US2023235421A1High-strength cold-rolled steel sheet, high-strength coated or plated steel sheet, method of producing high-strength cold-rolled steel sheet, method of producing high-strength coated or plated steel sheet, and automotive partJFE STEEL CORP·Filed 2021·Application pending·0 cites
3359US12365961B2High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2019·Granted Jul 22, 2025·0 cites·20 claims
3458US12428710B2High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2020·Granted Sep 30, 2025·0 cites·18 claims
3558US12378624B2High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2020·Granted Aug 5, 2025·0 cites·18 claims
3658US12264378B2High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2020·Granted Apr 1, 2025·0 cites·18 claims
3758US12221668B2High strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2020·Granted Feb 11, 2025·0 cites·18 claims
3858US11326238B2Steel material for high heat input weldingJFE STEEL CORP·Filed 2017·Granted May 10, 2022·0 cites·8 claims
3958US2024352552A1Steel sheet and method of producing sameCLEVELAND CLIFFS STEEL PROPERTIES INC·Filed 2022·Application pending·0 cites
4057US2023357883A1Dehydrogenation apparatus, steel sheet production system, and steel sheet production methodJFE STEEL CORP·Filed 2021·Application pending·0 cites
4156US11365459B2High strength cold rolled steel sheet and method of producing sameJFE STEEL CORP·Filed 2018·Granted Jun 21, 2022·0 cites·16 claims
4256US10144996B2High strength cold rolled steel sheet with low yield ratio and method of manufacturing the sameJFE STEEL CORP·Filed 2013·Granted Dec 4, 2018·0 cites·6 claims
4356US2024307991A1Resistance spot welding method and method of manufacturing welded jointJFE STEEL CORP·Filed 2022·Application pending·0 cites
4456US2024425959A1Continuous annealing line, continuous hot-dip galvanizing line, and steel sheet production methodJFE STEEL CORP·Filed 2022·Application pending·0 cites
4556US2023243006A1Dehydrogenation method for steel material and steel product, and production method for steel material and steel productJFE STEEL CORP·Filed 2021·Application pending·0 cites
4655US12297543B2High strength steel sheet, impact absorbing member, and method for manufacturing high strength steel sheetJFE STEEL CORP·Filed 2020·Granted May 13, 2025·0 cites·16 claims
4755US12180593B2High strength steel sheet, impact absorbing member, and method for manufacturing high strength steel sheetJFE STEEL CORP·Filed 2020·Granted Dec 31, 2024·0 cites·16 claims
4854US2025171872A1Continuous annealing line, continuous hot-dip galvanizing line, and method of producing steel sheetJFE STEEL CORP·Filed 2023·Application pending·0 cites
4954US2025179622A1Dehydrogenation apparatus, steel sheet production system, and method of producing steel sheetJFE STEEL CORP·Filed 2023·Application pending·0 cites
5052US11447841B2High-strength steel sheet and method for producing sameJFE STEEL CORP·Filed 2017·Granted Sep 20, 2022·0 cites·9 claims

Showing the top 50 of 56 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →