Assignee
NIPPON STEEL CORP
JP·2,932 granted patents·582 pending applications·38,172 citations·filing 1973–2025
Top patents by PatentIndex Score
3,514 records- 0198US7204887B2Wafer holding, wafer support member, wafer boat and heat treatment furnaceNIPPON STEEL CORP·Filed 2001·Granted Apr 17, 2007·581 cites·11 claims
- 0298US5412601ANon-volatile semiconductor memory device capable of storing multi-value data in each memory cellNIPPON STEEL CORP·Filed 1993·Granted May 2, 1995·278 cites·21 claims
- 0398US5369661ASemiconductor laser-pumped solid state laser system and optical coupling system coupling semiconductor laser with optical fiberNIPPON STEEL CORP·Filed 1992·Granted Nov 29, 1994·161 cites·21 claims
- 0498US4466842AFerritic steel having ultra-fine grains and a method for producing the sameNIPPON STEEL CORP·Filed 1983·Granted Aug 21, 1984·67 cites·6 claims
- 0597US11634790B2Plated steel sheetNIPPON STEEL CORP·Filed 2020·Granted Apr 25, 2023·6 cites·19 claims
- 0697US6632296B2Steel pipe having high formability and method for producing the sameNIPPON STEEL CORP·Filed 2001·Granted Oct 14, 2003·52 cites·28 claims
- 0797US5596527AElectrically alterable n-bit per cell non-volatile memory with reference cellsNIPPON STEEL CORP·Filed 1995·Granted Jan 21, 1997·251 cites·5 claims
- 0897US5436481AMOS-type semiconductor device and method of making the sameNIPPON STEEL CORP·Filed 1994·Granted Jul 25, 1995·184 cites·15 claims
- 0997US5306666AProcess for forming a thin metal film by chemical vapor depositionNIPPON STEEL CORP·Filed 1993·Granted Apr 26, 1994·847 cites·8 claims
- 1097US5181779AThermocouple temperature sensor and a method of measuring the temperature of molten ironNIPPON STEEL CORP·Filed 1989·Granted Jan 26, 1993·532 cites·12 claims
- 1197US4913258AElectric vehicleNIPPON STEEL CORP·Filed 1988·Granted Apr 3, 1990·154 cites·5 claims
- 1297US4293350AGrain-oriented electromagnetic steel sheet with improved watt lossNIPPON STEEL CORP·Filed 1979·Granted Oct 6, 1981·57 cites·15 claims
- 1396US11618933B2Coated steel member, coated steel sheet, and methods for manufacturing sameNIPPON STEEL CORP·Filed 2022·Granted Apr 4, 2023·3 cites·5 claims
- 1496US11584981B2Plated steel sheetNIPPON STEEL CORP·Filed 2020·Granted Feb 21, 2023·3 cites·20 claims
- 1596US11236412B2Steel sheet and plated steel sheetNIPPON STEEL CORP·Filed 2017·Granted Feb 1, 2022·9 cites·8 claims
- 1696US7079566B2Semiconductor laser apparatus capable of routing laser beams emitted from stacked-array laser diode to optical fiber with little lossNIPPON STEEL CORP·Filed 2005·Granted Jul 18, 2006·43 cites·23 claims
- 1796US6752451B2Strengthening member for automobileNIPPON STEEL CORP·Filed 2002·Granted Jun 22, 2004·66 cites·8 claims
- 1896US6589369B2High fatigue strength steel sheet excellent in burring workability and method for producing the sameNIPPON STEEL CORP·Filed 2000·Granted Jul 8, 2003·44 cites·21 claims
- 1996US6517955B1High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereofNIPPON STEEL CORP·Filed 1999·Granted Feb 11, 2003·90 cites·15 claims
- 2096US6469343B1Multi-level type nonvolatile semiconductor memory deviceNIPPON STEEL CORP·Filed 2000·Granted Oct 22, 2002·114 cites·3 claims
- 2196US5635306AHoneycomb panel and process for producing sameNIPPON STEEL CORP·Filed 1995·Granted Jun 3, 1997·72 cites·4 claims
- 2296US5454883AHigh toughness low yield ratio, high fatigue strength steel plate and process of producing sameNIPPON STEEL CORP·Filed 1994·Granted Oct 3, 1995·142 cites·32 claims
- 2396US5424978ANon-volatile semiconductor memory cell capable of storing more than two different data and method of using the sameNIPPON STEEL CORP·Filed 1994·Granted Jun 13, 1995·176 cites·13 claims
- 2496US5418743AMethod of writing into non-volatile semiconductor memoryNIPPON STEEL CORP·Filed 1993·Granted May 23, 1995·158 cites·13 claims
- 2596US4407681AHigh tensile steel and process for producing the sameNIPPON STEEL CORP·Filed 1982·Granted Oct 4, 1983·168 cites·11 claims
- 2696US3990923AMethod of producing grain oriented electromagnetic steel sheetNIPPON STEEL CORP·Filed 1975·Granted Nov 9, 1976·65 cites·14 claims
- 2795US12110595B2Hot-dip plated steel materialNIPPON STEEL CORP·Filed 2023·Granted Oct 8, 2024·1 cites·4 claims
- 2895US12065712B2Grain-oriented electrical steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2020·Granted Aug 20, 2024·2 cites·2 claims
- 2995US12054800B2Steel sheet for hot stampingNIPPON STEEL CORP·Filed 2020·Granted Aug 6, 2024·2 cites·4 claims
- 3095US12009709B2Rotating electrical machine, stator core and rotor core set, method for manufacturing rotating electrical machine, method for manufacturing non-oriented electrical steel sheet, method for manufacturing rotor and stator of rotating electrical machine, and non-oriented electrical steel sheet setNIPPON STEEL CORP·Filed 2022·Granted Jun 11, 2024·2 cites·3 claims
- 3195US11965231B2Steel material to be starting material of carbonitrided bearing componentNIPPON STEEL CORP·Filed 2019·Granted Apr 23, 2024·4 cites·4 claims
- 3295US11905570B2Hot dip galvanized steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2020·Granted Feb 20, 2024·2 cites·1 claims
- 3395US11814708B2Hot dip galvanized steel sheet and method for producing sameNIPPON STEEL CORP·Filed 2020·Granted Nov 14, 2023·2 cites·2 claims
- 3495US11749431B2Electrical steel sheet, laminated core, and laminated core manufacturing methodNIPPON STEEL CORP·Filed 2021·Granted Sep 5, 2023·2 cites·12 claims
- 3595US11274356B2Steel sheet, hot-dip galvanized steel sheet and galvannealed steel sheetNIPPON STEEL CORP·Filed 2017·Granted Mar 15, 2022·8 cites·19 claims
- 3695US10773755B2Hat memberNIPPON STEEL CORP·Filed 2018·Granted Sep 15, 2020·3 cites·6 claims
- 3795US10518596B2JointNIPPON STEEL CORP·Filed 2015·Granted Dec 31, 2019·19 cites·5 claims
- 3895US7867344B2Hot pressing method for high strength member using steel sheet and hot pressed partsNIPPON STEEL CORP·Filed 2005·Granted Jan 11, 2011·39 cites·4 claims
- 3995US7842142B1High strength part and method for producing the sameNIPPON STEEL CORP·Filed 2005·Granted Nov 30, 2010·20 cites·32 claims
- 4095US7534312B2Steel plate exhibiting excellent workability and method for producing the sameNIPPON STEEL CORP·Filed 2002·Granted May 19, 2009·26 cites·11 claims
- 4195US7471182B2Core having superior end face insulation and method of treating core end faces to give insulation coatingNIPPON STEEL CORP·Filed 2007·Granted Dec 30, 2008·38 cites·4 claims
- 4295US6895543B2Multilevel semiconductor memory, write/read method thereto/therefrom and storage medium storing write/read programNIPPON STEEL CORP·Filed 2003·Granted May 17, 2005·59 cites·4 claims
- 4395US5904204AApparatus for producing strip of stainless steelNIPPON STEEL CORP·Filed 1996·Granted May 18, 1999·58 cites·10 claims
- 4495US5762723APearlitic steel rail having excellent wear resistance and method of producing the sameNIPPON STEEL CORP·Filed 1995·Granted Jun 9, 1998·46 cites·13 claims
- 4595US4947023AMethod and apparatus for roll dulling by pulse laser beamNIPPON STEEL CORP·Filed 1988·Granted Aug 7, 1990·56 cites·16 claims
- 4695US4776900AProcess for producing nickel steels with high crack-arresting capabilityNIPPON STEEL CORP·Filed 1987·Granted Oct 11, 1988·46 cites·6 claims
- 4795US4152140AMethod for producing killed steels for continuous castingNIPPON STEEL CORP·Filed 1977·Granted May 1, 1979·53 cites·6 claims
- 4894US12215402B2Hot-rolled steel sheetNIPPON STEEL CORP·Filed 2020·Granted Feb 4, 2025·2 cites·19 claims
- 4994US12134808B2Hot-stamping formed bodyNIPPON STEEL CORP·Filed 2020·Granted Nov 5, 2024·2 cites·3 claims
- 5094US12018344B2High-strength steel sheet and method for manufacturing sameNIPPON STEEL CORP·Filed 2020·Granted Jun 25, 2024·2 cites·8 claims
Showing the top 50 of 3,514 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when NIPPON STEEL CORP files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →