Patents/Assignees

POSCO CO., Ltd

246 patents in portfolio

US12338515utility2025
Ultra-thick Steel Excellent in Brittle Crack Arrestability and Manufacturing Method Therefor
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US12330191utility2025
Alien Substance Removing Apparatus and Electrical Steel Sheet Manufacturing Facility Having Thereof
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US12331373utility2025
Steel Material, for Pressure Vessel, Showing Excellent Hydrogen-induced Cracking Resistance and Method for Preparing Same
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US12331375utility2025
Grain-oriented Electrical Steel Sheet and Method for Producing Same
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US12331405utility2025
High-strength Hot-dipped Galvanized Steel Sheet Having Excellent Surface Quality and Spot Weldability, and Manufacturing Method Therefor
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US12325887utility2025
Black Color Plated Steel Sheet, and Manufacturing Method Thereof
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US12325890utility2025
Annealing Separator Composition for Grain-oriented Electrical Steel Sheet, Grain-oriented Electrical Steel Sheet, and Method for Manufacturing Grain-oriented Electrical Steel Sheet
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US12312648utility2025
Hot-rolled Steel Sheet with Excellent Low-temperature Impact Toughness and Manufacturing Method Therefor
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US12312651utility2025
Oriented Electrical Steel Sheet and Manufacturing Method Therefor
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US12305249utility2025
High-strength Structural Steel Having Excellent Cold Bendability, and Manufacturing Method Therefor
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US12305256utility2025
High-strength Steel Sheet and Manufacturing Method Thereof
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US12305287utility2025
Plated Steel Sheet Having Excellent Strength, Formability and Surface Property and Method for Manufacturing Same
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US12305294utility2025
Composition for Surface Treatment of Mg-containing Galvanized Steel Sheet and Mg-containing Galvanized Steel Sheet Surface-treated Using Same
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US12297544utility2025
Hot Press Formed Product Having Excellent Corrosion Resistance and Method for Preparing Same
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US12294094utility2025
Battery Case
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US12285824utility2025
Methods of Welding High Manganese Steel with Step-out Weld Zone Erosion-corrosion Resistance
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US12286696utility2025
Hot Rolled and Unannealed Ferritic Stainless Steel Sheet Having Excellent Impact Toughness, and Manufacturing Method Therefor
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US12281368utility2025
Wire Rod of Which Softening Heat Treatment Can Be Omitted, and Manufacturing Method Therefor
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US12269081utility2025
Plated Steel Sheets for Hot Press Forming Having Excellent Hydrogen Brittleness Resistance and Impact Resistance, Hot Press Formed Parts, and Manufacturing Methods Thereof
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US12270108utility2025
Plated Steel Sheet Having Excellent Corrosion Resistance, Workability and Surface Quality and Method for Manufacturing Same
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