Assignee
JFE STEEL CORP
JP·1,541 granted patents·934 pending applications·2,690 citations·filing 1999–2025
Top patents by PatentIndex Score
2,475 records- 0198US10196727B2High strength galvanized steel sheet having excellent bendability and weldability, and method of manufacturing the sameJFE STEEL CORP·Filed 2015·Granted Feb 5, 2019·6 cites·4 claims
- 0298US9644247B2Methods for manufacturing a high-strength press-formed memberJFE STEEL CORP·Filed 2013·Granted May 9, 2017·14 cites·10 claims
- 0398US8876987B2High-strength steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2012·Granted Nov 4, 2014·20 cites·20 claims
- 0497US11306369B2High-strength stainless steel seamless pipe for oil country tubular goods, and method for producing sameJFE STEEL CORP·Filed 2018·Granted Apr 19, 2022·7 cites·4 claims
- 0597US11136645B2Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor coreJFE STEEL CORP·Filed 2018·Granted Oct 5, 2021·6 cites·4 claims
- 0697US10975459B2Ferritic stainless steelJFE STEEL CORP·Filed 2016·Granted Apr 13, 2021·5 cites·1 claims
- 0797US10550446B2High-strength steel sheet, high-strength hot-dip galvanized steel sheet, high-strength hot-dip aluminum-coated steel sheet, and high-strength electrogalvanized steel sheet, and methods for manufacturing sameJFE STEEL CORP·Filed 2015·Granted Feb 4, 2020·5 cites·14 claims
- 0897US10472697B2High-strength steel sheet and production method thereforJFE STEEL CORP·Filed 2016·Granted Nov 12, 2019·6 cites·16 claims
- 0997US10450642B2High-strength galvanized steel sheet and method for producing the sameJFE STEEL CORP·Filed 2015·Granted Oct 22, 2019·5 cites·17 claims
- 1097US10190186B2Method for manufacturing a high-strength galvanized steel sheet having excellent formability and crashworthinessJFE STEEL CORP·Filed 2016·Granted Jan 29, 2019·5 cites·11 claims
- 1197US9809869B2Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereofJFE STEEL CORP·Filed 2016·Granted Nov 7, 2017·7 cites·10 claims
- 1296US12258647B2Steel sheet, member, and methods for manufacturing the sameJFE STEEL CORP·Filed 2021·Granted Mar 25, 2025·4 cites·17 claims
- 1396US11946123B2Method of producing a non-oriented electrical steel sheetJFE STEEL CORP·Filed 2023·Granted Apr 2, 2024·1 cites·4 claims
- 1496US11495378B2Grain-oriented electrical steel sheet, stacked transformer core using the same, and method for producing stacked coreJFE STEEL CORP·Filed 2019·Granted Nov 8, 2022·5 cites·12 claims
- 1596US11293074B2Hot-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
- 1696US11111558B2Hot-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
- 1796US10272513B2Ferritic stainless steel sheet for plasma arc welding and welding method thereforJFE STEEL CORP·Filed 2015·Granted Apr 30, 2019·7 cites·12 claims
- 1896US10174396B2High-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
- 1996US9708681B2High-strength seamless steel pipe for oil well use having excellent resistance to sulfide stress crackingJFE STEEL CORP·Filed 2012·Granted Jul 18, 2017·13 cites·24 claims
- 2096US9493865B2Thick-walled high-strength hot rolled steel sheet with excellent low-temperature toughness and method of producing sameJFE STEEL CORP·Filed 2015·Granted Nov 15, 2016·7 cites·16 claims
- 2196US9463980B2Method for manufacturing cokeJFE STEEL CORP·Filed 2012·Granted Oct 11, 2016·47 cites·26 claims
- 2296US9028626B2Method for manufacturing high strength galvanized steel sheet with excellent formabilityJFE STEEL CORP·Filed 2013·Granted May 12, 2015·10 cites·6 claims
- 2396US6702904B2High tensile cold-rolled steel sheet having excellent strain aging hardening propertiesJFE STEEL CORP·Filed 2001·Granted Mar 9, 2004·46 cites·10 claims
- 2496US6676774B2Hot rolled steel plate and cold rolled steel plate being excellent in strain aging hardening characteristicsJFE STEEL CORP·Filed 2001·Granted Jan 13, 2004·46 cites·11 claims
- 2595US12258646B2High-strength steel sheet and method for producing sameJFE STEEL CORP·Filed 2020·Granted Mar 25, 2025·2 cites·17 claims
- 2695US12031192B2Continuous hot-dip galvanizing apparatusJFE STEEL CORP·Filed 2023·Granted Jul 9, 2024·2 cites·6 claims
- 2795US10961600B2Steel 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
- 2895US10876183B2High-strength seamless stainless steel pipe and method of manufacturing high-strength seamless stainless steel pipeJFE STEEL CORP·Filed 2016·Granted Dec 29, 2020·4 cites·8 claims
- 2995US10625368B2Resistance spot welding method and method for manufacturing resistance spot welded jointJFE STEEL CORP·Filed 2016·Granted Apr 21, 2020·8 cites·16 claims
- 3095US10526673B2Non-oriented electrical steel sheet and method for producing the same, and motor core and method of producing the sameJFE STEEL CORP·Filed 2015·Granted Jan 7, 2020·5 cites·16 claims
- 3195US10450625B2Ferritic stainless steel and method for producing sameJFE STEEL CORP·Filed 2015·Granted Oct 22, 2019·5 cites·4 claims
- 3295US10160031B2Method of forming a closed cross-sectional structureJFE STEEL CORP·Filed 2017·Granted Dec 25, 2018·5 cites·7 claims
- 3395US9194016B2Annealing separator for grain-oriented electromagnetic steel sheetJFE STEEL CORP·Filed 2012·Granted Nov 24, 2015·7 cites·2 claims
- 3494US12275053B2Shearing die and press-forming methodJFE STEEL CORP·Filed 2020·Granted Apr 15, 2025·2 cites·11 claims
- 3594US12098439B2Steel sheet, member, and method for producing themJFE STEEL CORP·Filed 2021·Granted Sep 24, 2024·2 cites·24 claims
- 3694US11085095B2High-strength seamless stainless steel pipe for oil country tubular goods and method of manufacturing high-strength seamless stainless steel pipeJFE STEEL CORP·Filed 2016·Granted Aug 10, 2021·3 cites·17 claims
- 3794US11066722B2Method of producing grain-oriented electrical steel sheetJFE STEEL CORP·Filed 2017·Granted Jul 20, 2021·3 cites·4 claims
- 3894US10920294B2Steel sheet, coated steel sheet, method for producing hot-rolled steel sheet, method for producing full-hard cold-rolled steel sheet, method for producing heat-treated sheet, method for producing steel sheet, and method for producing coated steel sheetJFE STEEL CORP·Filed 2017·Granted Feb 16, 2021·4 cites·20 claims
- 3994US10711333B2High-strength steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2015·Granted Jul 14, 2020·3 cites·12 claims
- 4094US10626485B2Thin high-strength cold-rolled steel sheet and method of producing the sameJFE STEEL CORP·Filed 2016·Granted Apr 21, 2020·6 cites·8 claims
- 4194US10563279B2High strength steel sheet having high Young's modulus and method for manufacturing the sameJFE STEEL CORP·Filed 2014·Granted Feb 18, 2020·6 cites·8 claims
- 4294US10458013B2Ferritic stainless steel and process for producing sameJFE STEEL CORP·Filed 2015·Granted Oct 29, 2019·5 cites·4 claims
- 4394US10385431B2High strength steel sheet having high young's modulus and method for manufacturing the sameJFE STEEL CORP·Filed 2014·Granted Aug 20, 2019·7 cites·18 claims
- 4494US10370737B2High-strength galvanized steel sheetJFE STEEL CORP·Filed 2015·Granted Aug 6, 2019·3 cites·8 claims
- 4594US10156005B2High-yield-ratio, high-strength cold rolled steel sheet and production method thereforJFE STEEL CORP·Filed 2014·Granted Dec 18, 2018·8 cites·12 claims
- 4694US10151011B2High-strength stainless steel seamless tube or pipe for oil country tubular goods, and method of manufacturing the sameJFE STEEL CORP·Filed 2013·Granted Dec 11, 2018·8 cites·22 claims
- 4794US9531014B2Stainless steel for fuel cell separatorsJFE STEEL CORP·Filed 2012·Granted Dec 27, 2016·9 cites·11 claims
- 4894US7879287B2Hot-rolled steel sheet for high-strength electric-resistance welded pipe having sour-gas resistance and excellent weld toughness, and method for manufacturing the sameJFE STEEL CORP·Filed 2005·Granted Feb 1, 2011·15 cites·9 claims
- 4994US6814819B2Methods of manufacturing hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening propertyJFE STEEL CORP·Filed 2003·Granted Nov 9, 2004·25 cites·15 claims
- 5093US11408058B2High-strength steel sheet and method for producing the sameJFE STEEL CORP·Filed 2018·Granted Aug 9, 2022·3 cites·20 claims
Showing the top 50 of 2,475 patent records by PatentIndex Score.
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