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For the Inventor, By the Inventor

Pohang, South Korea

Posco


USPTO Granted Patents = 706

% Expired Patents = 13.7



Trademarks = 14

Forward Citations = 848

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1,278 inventors (with patents filed for the assignee):

goldMedal Myung-Soo Kim (24 out of 33 patents)

silverMedal Jin-Keun Oh (24 out of 47 patents)

bronzeMedal Il-Ryoung Sohn (22 out of 34 patents)

4.  Seong-Woo Kim (21 out of 43 patents)

5.  Young-Jin Kwak (20 out of 23 patents)

6.  Jong-Sang Kim (20 out of 26 patents)

7.  Tae-Yeob Kim (19 out of 22 patents)

8.  Yeol-Rae Cho (19 out of 34 patents)

9.  Sang-Heon Kim (18 out of 28 patents)

10.  Woo-Sung Jung (15 out of 18 patents)

11.  Tae-Chul Kim (15 out of 22 patents)

12.  Hyeon-Seok Hwang (15 out of 18 patents)

13.  Ki-Cheol Kang (14 out of 18 patents)

14.  Kyoo-Young Lee (14 out of 18 patents)

15.  Sang-Ho Han (13 out of 21 patents)


Core Competencies:
Electrical Steel
High-Strength Steel
Corrosion Resistance
Workability
Fatigue Resistance
Welding Technology
Lithium-Ion Battery
Manufacturing Methods
Stainless Steel
Steel Sheet
Hot Press Forming
Durability

706 patents:

1. 12768002 - High-yield-ratio ultra-high-strength steel sheet having excellent thermal stability, and manufacturing method therefor (2026-10-20),
2. 12768001 - High-strength steel sheet having excellent impact resistance, and method for manufacturing same (2026-10-20),
3. 12766647 - Apparatus for preventing welding distortion, and method for welding pipe and flange using the same (2026-10-20),
4. 12766583 - Hot press-formed part, and manufacturing method thereof (2026-10-20),
5. 12760388 - Cold rolled steel sheet and manufacturing method therefor (2026-10-13),
6. 12760387 - Steel material for hot forming, hot-formed member, and manufacturing method therefor (2026-10-13),
7. 12760386 - Steel sheet for seismic damper having superior toughness property and manufacturing method of same (2026-10-13),
8. 12758188 - Transparent-ultrasonic-sensor-based optical-ultrasonic integrated endoscopic probe, endoscope apparatus, and catheter apparatus (2026-10-13),
9. 12753479 - Aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and method for manufacturing same (2026-10-06),
10. 12753458 - Steel sheet with excellent phosphatability and manufacturing method therefor (2026-10-06),
11. 12753457 - Annealing separator composition for grain- oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet (2026-10-06),
12. 12753455 - Ultra-high strength cold rolled steel sheet having excellent bendability, and method of manufacturing same (2026-10-06),
13. 12752852 - Side sill for vehicle (2026-10-06),
14. 12749755 - Battery case (2026-09-29),
15. 12742220 - Wire rod and steel wire for high strength spring, and manufacturing method therefor (2026-09-22),
Company Overview
Posco, headquartered in Pohang, South Korea, is a leading manufacturer specializing in electrical steel and high-strength steel products. The company focuses on advanced materials that exhibit superior corrosion resistance, workability, and fatigue resistance, catering to various industries including automotive and energy. Posco is also engaged in innovative technologies related to welding and lithium-ion battery manufacturing, positioning itself at the forefront of steel production and sustainable energy solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

706 Patents

#2 in Pohang

#44 in South Korea

#1,419 in the World

Pohang, KR
Pohang, South Korea

Posco

Forward Citations = 848

1,278 inventors:

goldMedal Myung-Soo Kim (24 out of 33 patents)

silverMedal Jin-Keun Oh (24 out of 47 patents)

bronzeMedal Il-Ryoung Sohn (22 out of 34 patents)

4.  Seong-Woo Kim (21 out of 43 patents)

5.  Young-Jin Kwak (20 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Posco. Retrieved from https://idiyas.com/company/posco

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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