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For the Inventor, By the Inventor

Pohang-si, South Korea

Posco Co., Ltd


USPTO Granted Patents = 248


Trademarks = 20

Forward Citations = 30

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417 inventors (with patents filed for the assignee):

goldMedal Jin-Keun Oh (21 out of 41 patents)

silverMedal Seong-Woo Kim (20 out of 37 patents)

bronzeMedal Yeol-Rae Cho (13 out of 29 patents)

4.  Il-Ryoung Sohn (12 out of 33 patents)

5.  Sung-Il Kim (11 out of 15 patents)

6.  Myung-Soo Kim (9 out of 27 patents)

7.  Sang-Deok Kang (9 out of 11 patents)

8.  Sang-Heon Kim (8 out of 24 patents)

9.  Hyun-Taek Na (8 out of 13 patents)

10.  Tae-Chul Kim (7 out of 19 patents)

11.  Jong-Tae Park (7 out of 16 patents)

12.  Dae-Woo Kim (7 out of 9 patents)

13.  Jong-Sang Kim (6 out of 24 patents)

14.  Tae-Jin Song (6 out of 8 patents)

15.  Se-Min Park (6 out of 10 patents)


Core Competencies:
Ultra-Thick Structural Steel
Zinc-Based Coated Steel
High-Strength Steel Sheet
Electrical Steel Sheet
Corrosion Resistance
Hot-Dip Galvanized Steel
Welding Methods
Lithium Compound Production
Porous Polysiloxane Film
Spring Steel Wire
Grain-Oriented Electrical Steel
Hot Press Forming

248 patents:

1. 12509751 - High strength steel sheet having excellent workability and method for manufacturing same (2025-12-30),
2. 12509742 - Ultra-high strength steel sheet having excellent shear workability and method for manufacturing same (2025-12-30),
3. 12508796 - Unconstrained vibration damping metal sheet with foam pores and method for manufacturing same (2025-12-30),
4. 12497708 - Electrogalvanized steel sheet having superb whiteness and method for manufacturing same (2025-12-16),
5. 12497706 - Solution for electroplating iron, and electroplated steel sheet manufactured by using same (2025-12-16),
6. 12492456 - Ultra high strength and high ductility steel sheet having excellent yield ratio and manufacturing method for same (2025-12-09),
7. 12480171 - Ultra-thick structural steel having excellent brittle crack initiation resistance, and manufacturing method therefor (2025-11-25),
8. 12479192 - Zinc-based coated steel material having excellent corrosion resistance and spot weldability (2025-11-25),
9. 12473610 - Steel sheet for enamel and method of manufacturing the same (2025-11-18),
10. 12473201 - Method for producing lithium compound (2025-11-18),
11. 12467113 - Wire rod and steel wire for springs having excellent corrosion fatigue resistance properties, and method for producing same (2025-11-11),
12. 12467111 - Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same (2025-11-11),
13. 12467108 - High-strength steel sheet and manufacturing method thereof (2025-11-11),
14. 12459049 - Method for welding a zinc coated steel sheet (2025-11-04),
15. 12454732 - Non-directional electrical steel sheet and method for producing same (2025-10-28),
POSCO Co., Ltd is a Korean multinational steel-making company. With headquarters in Pohang, South Korea, POSCO operates two integrated steel mills in the country and has subsidiaries worldwide. As one of the world's largest steel makers, the company produces various steel products for sectors like automotive, construction, shipbuilding, energy, and more. POSCO focuses on sustainable growth while prioritizing innovation and technology advancement in the steel industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

248 Patents

#3 in Pohang-si

#90 in South Korea

#3,386 in the World

...
Pohang-si, South Korea

Posco Co., Ltd

Forward Citations = 30

417 inventors:

goldMedal Jin-Keun Oh (21 out of 41 patents)

silverMedal Seong-Woo Kim (20 out of 37 patents)

bronzeMedal Yeol-Rae Cho (13 out of 29 patents)

4.  Il-Ryoung Sohn (12 out of 33 patents)

5.  Sung-Il Kim (11 out of 15 patents)

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