Inventor · disambiguated record
Katsutoshi Takashima
Also filed as: TAKASHIMA KATSUTOSHI
49 granted patents·31 pending applications·65 citations·filing 2010–2023
96Inventor score
Top patents by PatentIndex Score
80 records- 0196US11293074B2Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing sameJFE STEEL CORP·Filed 2018·Granted Apr 5, 2022·4 cites·8 claims
- 0296US11111558B2Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing sameJFE STEEL CORP·Filed 2018·Granted Sep 7, 2021·4 cites·16 claims
- 0396US10174396B2High-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
- 0495US10961600B2Steel sheet and plated steel sheet, method for producing steel sheet, and method for producing plated steel sheetJFE STEEL CORP·Filed 2017·Granted Mar 30, 2021·3 cites·18 claims
- 0594US10156005B2High-yield-ratio, high-strength cold rolled steel sheet and production method thereforJFE STEEL CORP·Filed 2014·Granted Dec 18, 2018·8 cites·12 claims
- 0692US11850821B2Hot-pressed member, cold-rolled steel sheet for hot-pressed member, and method for producing the sameJFE STEEL CORP·Filed 2019·Granted Dec 26, 2023·4 cites·4 claims
- 0792US11136643B2High-strength steel sheet and method for producing sameJFE STEEL CORP·Filed 2017·Granted Oct 5, 2021·2 cites·13 claims
- 0892US11085101B2Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing sameJFE STEEL CORP·Filed 2018·Granted Aug 10, 2021·2 cites·16 claims
- 0991US9057123B2Hot-rolled steel sheet and method for producing sameJFE STEEL CORP·Filed 2012·Granted Jun 16, 2015·6 cites·12 claims
- 1090US9127366B2Zinc-based metal coated steel sheetMATSUDA TAKESHI·Filed 2011·Granted Sep 8, 2015·6 cites·6 claims
- 1188US9322091B2Galvanized steel sheetJFE STEEL CORP·Filed 2013·Granted Apr 26, 2016·4 cites·6 claims
- 1287US10077486B2High-strength cold-rolled steel sheet and method of manufacturing the sameJFE STEEL CORP·Filed 2014·Granted Sep 18, 2018·3 cites·21 claims
- 1385US11193180B2High-strength steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2017·Granted Dec 7, 2021·1 cites·4 claims
- 1485US11136644B2High-strength cold rolled steel sheet and method for producing the sameJFE STEEL CORP·Filed 2017·Granted Oct 5, 2021·1 cites·8 claims
- 1582US9574254B2Hot-rolled steel sheet and method for producing sameJFE STEEL CORP·Filed 2012·Granted Feb 21, 2017·2 cites·8 claims
- 1681US12479190B2Fe-based electroplated steel sheet and galvannealed steel sheet, and methods of producing sameJFE STEEL CORP·Filed 2021·Granted Nov 25, 2025·0 cites·19 claims
- 1781US10920293B2Steel sheet and plated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full-hard steel sheet, method for producing heat-treated sheet, method for producing steel sheet, and method for producing plated steel sheetJFE STEEL CORP·Filed 2017·Granted Feb 16, 2021·1 cites·24 claims
- 1880US10253389B2High-yield-ratio, high-strength cold-rolled steel sheet and production method thereforJFE STEEL CORP·Filed 2015·Granted Apr 9, 2019·1 cites·16 claims
- 1977US11939640B2Method for producing hot-rolled steel sheet, method for producing cold-rolled full-hard steel sheet, and method for producing heat-treated sheetJFE STEEL CORP·Filed 2021·Granted Mar 26, 2024·0 cites·10 claims
- 2077US10435762B2High-yield-ratio high-strength cold-rolled steel sheet and method of producing the sameJFE STEEL CORP·Filed 2015·Granted Oct 8, 2019·1 cites·8 claims
- 2176US10946470B2Resistance spot welding method and welded member production methodJFE STEEL CORP·Filed 2016·Granted Mar 16, 2021·1 cites·12 claims
- 2272US11795520B2Hot-pressed member, method for manufacturing the same, and method for manufacturing steel sheet for hot-pressed memberJFE STEEL CORP·Filed 2019·Granted Oct 24, 2023·0 cites·20 claims
- 2371US12276028B2Galvanized steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing galvanized steel sheetJFE STEEL CORP·Filed 2021·Granted Apr 15, 2025·0 cites·14 claims
- 2471US12221705B2Alloyed galvanized steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing alloyed galvanized steel sheetJFE STEEL CORP·Filed 2021·Granted Feb 11, 2025·0 cites·16 claims
- 2570US11339452B2Hot-pressed steel sheet member and method for producing sameJFE STEEL CORP·Filed 2018·Granted May 24, 2022·0 cites·12 claims
- 2669US2025197984A1Method for producing high-strength hot-dip galvanized steel sheetJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 2765US11420247B2Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing sameJFE STEEL CORP·Filed 2018·Granted Aug 23, 2022·0 cites·9 claims
- 2865US11236406B2Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing sameJFE STEEL CORP·Filed 2018·Granted Feb 1, 2022·0 cites·16 claims
- 2965US2024150876A1Clad steel plate, member, and production methods for sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3065US2024158884A1Clad steel plate, member, and production methods for sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3164US2024367254A1Resistance spot welded member and resistance spot welding method thereforJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3263US12473652B2Galvannealed steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing galvannealed steel sheetJFE STEEL CORP·Filed 2021·Granted Nov 18, 2025·0 cites·16 claims
- 3363US12037665B2Spot welded memberJFE STEEL CORP·Filed 2019·Granted Jul 16, 2024·0 cites·20 claims
- 3463US9051654B2Galvanized steel sheetMATSUDA TAKESHI·Filed 2010·Granted Jun 9, 2015·2 cites·28 claims
- 3563US2024424595A1Resistance spot welded joint and resistance spot welding method thereforJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3663US2025235949A1Resistance spot welded joint and resistance spot welding method thereforJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3762US12195819B2High-strength thin steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2020·Granted Jan 14, 2025·0 cites·4 claims
- 3862US2025102009A1Projection welded joint and projection welding methodJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3962US2025303502A1Method of predicting expulsion occurrence in resistance spot welding, resistance spot welding method, and method of producing welded memberJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 4061US12467154B2Fe-based electroplated steel sheet, electrodeposition-coated steel sheet, automotive part, method of producing electrodeposition-coated steel sheet, and method of producing Fe-based electroplated steel sheetJFE STEEL CORP·Filed 2021·Granted Nov 11, 2025·0 cites·3 claims
- 4161US10900096B2Steel sheet and plated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full-hard steel sheet, method for producing heat-treated sheet, method for producing steel sheet, and method for producing plated steel sheetJFE STEEL CORP·Filed 2017·Granted Jan 26, 2021·0 cites·24 claims
- 4261US2025281996A1Welded joint, welded member, method of producing same, and resistance spot welding methodJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 4361US2024246167A1Automotive member and resistance spot welding method thereforJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4460US2024352959A1Resistance spot welded joint and resistance spot welding method thereforJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4560US2025178126A1Laser beam welding method, welding machine therefor, and butt-welded jointJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4660US2024110264A1High-strength cold-rolled steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 4760US2025178117A1Resistance spot welded joint and method for producing the sameJFE STEEL CORP·Filed 2023·Application pending·0 cites
- 4859US12434327B2Friction stir spot welded joint and production method therefor, and friction stir spot welding methodJFE STEEL CORP·Filed 2022·Granted Oct 7, 2025·0 cites·6 claims
- 4959US12215405B2Hot-pressed member, cold-rolled steel sheet for hot pressing, and manufacturing methods thereforJFE STEEL CORP·Filed 2020·Granted Feb 4, 2025·0 cites·10 claims
- 5059US10940556B2Automotive member having resistance weldJFE STEEL CORP·Filed 2017·Granted Mar 9, 2021·0 cites·16 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →