Assignee
CHINA STEEL CORP
TW·26 granted patents·11 pending applications·275 citations·filing 1982–2025
Top patents by PatentIndex Score
37 records- 0194US5328528AProcess for manufacturing cold-rolled steel sheets with high-strength, and high-ductility and its named articleCHINA STEEL CORP·Filed 1993·Granted Jul 12, 1994·58 cites·2 claims
- 0287US4854976AMethod of producing a multi-phase structured cold rolled high-tensile steel sheetCHINA STEEL CORP·Filed 1988·Granted Aug 8, 1989·41 cites·1 claims
- 0385US4950337AMagnetic and mechanical properties of amorphous alloys by pulse high currentCHINA STEEL CORP·Filed 1989·Granted Aug 21, 1990·42 cites·4 claims
- 0484US5125250AFlying shear system with adaptive cut-length control and the operational method thereofCHINA STEEL CORP·Filed 1991·Granted Jun 30, 1992·28 cites·7 claims
- 0577US7879133B2Method for measuring an outline of a stratum of a reactant and a path of charging the reactant in a blast furnaceCHINA STEEL CORP·Filed 2007·Granted Feb 1, 2011·6 cites·11 claims
- 0672US2024233990A1Non-oriented electrical steel sheet and manufacturing method the sameCHINA STEEL CORP·Filed 2023·Application pending·0 cites
- 0771US2025010434A1Steel, processing method thereof and screwdriver bitCHINA STEEL CORP·Filed 2024·Application pending·0 cites
- 0870US7026583B2Surface mountable PTC deviceCHINA STEEL CORP·Filed 2004·Granted Apr 11, 2006·14 cites·2 claims
- 0963US8052920B2Apparatus for observing interior of a blast furnace systemCHINA STEEL CORP·Filed 2009·Granted Nov 8, 2011·2 cites·11 claims
- 1058US2025092481A1High-strength steel and method of manufacturing the sameCHINA STEEL CORP·Filed 2024·Application pending·0 cites
- 1158US2025346972A1High-toughness steel and method for manufacturing the sameCHINA STEEL CORP·Filed 2025·Application pending·0 cites
- 1254US9048388B2Multi-layer thermoelectric module and method for fabricating the sameCHINA STEEL CORP·Filed 2013·Granted Jun 2, 2015·1 cites·6 claims
- 1354US7754027B2Method for manufacturing a sputtering targetCHINA STEEL CORP·Filed 2007·Granted Jul 13, 2010·1 cites·16 claims
- 1453US5925312APush-pull apparatus adapted for assembling and disassembling a tubular body that is to be fitted into a ring retainer on a wall memberCHINA STEEL CORP·Filed 1998·Granted Jul 20, 1999·9 cites·6 claims
- 1553US4746453ACleaning composition for electrocleaning cold-rolled steelCHINA STEEL CORP·Filed 1986·Granted May 24, 1988·14 cites·9 claims
- 1652US4741772ASi contained ferroalloy addition as a weak pre-deoxidation process in steelmakingCHINA STEEL CORP·Filed 1984·Granted May 3, 1988·7 cites·10 claims
- 1748US8561912B2RFID tag having capacitive loadCHINA STEEL CORP·Filed 2013·Granted Oct 22, 2013·0 cites·2 claims
- 1848US8556185B2RFID tag having capacitive loadCHINA STEEL CORP·Filed 2013·Granted Oct 15, 2013·0 cites·5 claims
- 1946US4414025AProcess for addition of silicon to ironCHINA STEEL CORP·Filed 1982·Granted Nov 8, 1983·3 cites·10 claims
- 2045US8044805B2RFID tag using monopole antennaCHINA STEEL CORP·Filed 2009·Granted Oct 25, 2011·1 cites·14 claims
- 2145US2019055616A1Method for producing metal from metal oxide by carbothermic reduction and holed cake used thereforCHINA STEEL CORP·Filed 2017·Application pending·0 cites
- 2243US2015159369A1Energy-dissipating junction assembly and shockproof structure using the sameCHINA STEEL CORP·Filed 2014·Application pending·0 cites
- 2341US4776884AProcess for determining the arrangement of the layered charges in a blast furnace prior to smeltingCHINA STEEL CORP·Filed 1987·Granted Oct 11, 1988·8 cites·5 claims
- 2440US9096810B2Method for producing a bio-coalCHINA STEEL CORP·Filed 2013·Granted Aug 4, 2015·0 cites·5 claims
- 2540US4953710AAutomated apparatus for inspecting columnar bodies by eddy current methodCHINA STEEL CORP·Filed 1988·Granted Sep 4, 1990·12 cites·8 claims
- 2640US2009317280A1Method for manufacturing metal-based ceramic composite target containing noble metalCHINA STEEL CORP·Filed 2008·Application pending·0 cites
- 2740US2008159121A1Write-once optical recording mediumCHINA STEEL CORP·Filed 2007·Application pending·0 cites
- 2839US4879905AApparatus for measuring the internal friction of a tranversely vibrating metal specimenCHINA STEEL CORP·Filed 1988·Granted Nov 14, 1989·11 cites·5 claims
- 2937US10047418B2Method for manufacturing high-strength and high-ductility steelCHINA STEEL CORP·Filed 2015·Granted Aug 14, 2018·0 cites·4 claims
- 3036US2016083814A1High temperature oxidation-resistant coated steel plate and hot stamping method thereofCHINA STEEL CORP·Filed 2015·Application pending·0 cites
- 3135US8366994B2Method for manufacturing cobalt alloy-based ceramic composite sputtering targetCHINA STEEL CORP·Filed 2010·Granted Feb 5, 2013·0 cites·20 claims
- 3234US7728716B2Piezoelectric buzzerCHINA STEEL CORP·Filed 2007·Granted Jun 1, 2010·0 cites·4 claims
- 3334US5033720AApparatus for determining metal propertiesCHINA STEEL CORP·Filed 1990·Granted Jul 23, 1991·6 cites·2 claims
- 3434US5007958ALime-based injection powder for steel-refiningCHINA STEEL CORP·Filed 1990·Granted Apr 16, 1991·7 cites·2 claims
- 3534US2004120864A1Apparatus for removing acid substances from hot flue gasCHINA STEEL CORP·Filed 2002·Application pending·0 cites
- 3633US6766896B1Scraping deviceCHINA STEEL CORP·Filed 2003·Granted Jul 27, 2004·4 cites·8 claims
- 3733US2008150690A1Radio frequency identification tag device having a metal substrateCHINA STEEL CORP·Filed 2006·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →