Patents/Assignees

POSCO CO., Ltd

246 patents in portfolio

US12539687utility2026
Constrained-type Vibration-damping Metal Sheet Having Foam Pores and Method for Manufacturing Same
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US12534773utility2026
High-strength Thick Hot-rolled Steel Sheet Having Excellent Elongation and Method for Manufacturing Same
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US12533722utility2026
Plated Steel Sheet for Hot Press Forming
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US12509742utility2025
Ultra-high Strength Steel Sheet Having Excellent Shear Workability and Method for Manufacturing Same
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US12509751utility2025
High Strength Steel Sheet Having Excellent Workability and Method for Manufacturing Same
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US12508796utility2025
Unconstrained Vibration Damping Metal Sheet with Foam Pores and Method for Manufacturing Same
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US12497706utility2025
Solution for Electroplating Iron, and Electroplated Steel Sheet Manufactured by Using Same
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US12497708utility2025
Electrogalvanized Steel Sheet Having Superb Whiteness and Method for Manufacturing Same
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US12492456utility2025
Ultra High Strength and High Ductility Steel Sheet Having Excellent Yield Ratio and Manufacturing Method for Same
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US12479192utility2025
Zinc-based Coated Steel Material Having Excellent Corrosion Resistance and Spot Weldability
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US12480171utility2025
Ultra-thick Structural Steel Having Excellent Brittle Crack Initiation Resistance, and Manufacturing Method Therefor
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US12473610utility2025
Steel Sheet for Enamel and Method of Manufacturing the Same
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US12467108utility2025
High-strength Steel Sheet and Manufacturing Method Thereof
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US12467111utility2025
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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US12467113utility2025
Wire Rod and Steel Wire for Springs Having Excellent Corrosion Fatigue Resistance Properties, and Method for Producing Same
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US12459049utility2025
Method for Welding a Zinc Coated Steel Sheet
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US12454732utility2025
Non-directional Electrical Steel Sheet and Method for Producing Same
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US12448674utility2025
Composite Plated Steel Sheet Having Excellent Post-formation Corrosion Resistance, and Manufacturing Method Therefor
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US12440886utility2025
Variable Die, and Pressing Apparatus and Method
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US12434288utility2025
Apparatus for Roll Stamping
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