Patents/Assignees

POSCO CO., Ltd

246 patents in portfolio

US11674194utility2023
Cold Rolled Steel Sheet for Flux-cored Wire, and Manufacturing Method Therefor
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US11667984utility2023
Grain-oriented Electrical Steel Sheet and Manufacturing Method Therefor
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US11667985utility2023
Composition for Forming Insulation Film of Oriented Electrical Steel Sheet, Method for Forming Insulation Film by Using Same, and Oriented Electrical Steel Sheet Having Insulation Film Formed Therein
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US11654654utility2023
Manufacturing Method of Aluminum-based Alloy Plated Steel
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US11655517utility2023
Ultrahigh-strength and High-ductility Steel Sheet Having Excellent Cold Formability
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US11649515utility2023
Thick Steel Plate Having Excellent Cryogenic Impact Toughness and Manufacturing Method Therefor
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US11649518utility2023
Ultra-thick Steel Material Having Excellent Surface Part NRL-DWT Properties and Method for Manufacturing Same
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US11649519utility2023
Sour-resistant Heavy-wall Steel Plate Having Excellent Low-temperature Toughness and Post-heat Treatment Characteristics and Method for Manufacturing Same
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US11649542utility2023
Multi-layered Zinc Alloy Plated Steel Having Excellent Spot Weldability and Corrosion Resistance
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US11643714utility2023
Method for Manufacturing Zinc Alloy Plated Steel Material Having Excellent Surface Quality and Corrosion Resistance
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US11639535utility2023
Steel Material for Welded Steel Pipe, Having Excellent Longitudinal Uniform Elongation, Manufacturing Method Therefor, and Steel Pipe Using Same
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US11634784utility2023
Ultra-thick Steel Material Having Excellent Surface Part NRL-DWT Properties and Method for Manufacturing Same
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US11634785utility2023
Steel Material Showing Excellent Hydrogen-induced Cracking Resistance and Method for Preparing Same
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US11634786utility2023
Non-oriented Electrical Steel Sheet and Method for Preparing Same
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US11634800utility2023
High-strength Austenite-based High-manganese Steel Material and Manufacturing Method for Same
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US11634801utility2023
Ferritic Stainless Steel Having Reduced Carbon Sludge Adsorption for Exhaust System Heat Exchanger and Method of Manufacturing Same
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US11634818utility2023
Solution Composition Containing Trivalent Chromium for Surface Treatment of Steel Sheet, Galvanized Steel Sheet Surface—treated with Same, and Method for Manufacturing Galvanized
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US11624100utility2023
Cold-rolled Steel Plate for Hot Forming, Having Excellent Corrosion-resistance and Spot-weldability, Hot-formed Member, and Method for Manufacturing Same
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US11624101utility2023
Steel for Pressure Vessel Having Excellent Surface Quality and Impact Toughness, and Method for Manufacturing Same
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US11618939utility2023
Galvanized Steel Sheet Having Excellent Plating Adhesion and Corrosion Resistance
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