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KR

Pohang Iron & Steel Co. Ltd.


USPTO Granted Patents = 72

Trademarks = 3

Forward Citations = 340

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208 inventors (with patents filed for the assignee):

goldMedal Werner Leopold Kepplinger (6 out of 30 patents)

silverMedal Il Ock Lee (6 out of 8 patents)

bronzeMedal Johannes Leopold Schenk (5 out of 32 patents)

4.  Felix Wallner (5 out of 25 patents)

5.  Sam-Kyu Chang (4 out of 4 patents)

6.  Hang Goo Kim (4 out of 8 patents)

7.  Soo-Hyoun Cho (3 out of 3 patents)

8.  Jae-Ryung Lee (3 out of 3 patents)

9.  Ki-Ho Kim (3 out of 3 patents)

10.  Jong Soo Woo (3 out of 3 patents)

11.  Yong Ha Kim (3 out of 5 patents)

12.  Dieter Siuka (3 out of 8 patents)

13.  Sang Hoon Joo (3 out of 5 patents)

14.  Panajiotis Matzawrakos (3 out of 6 patents)

15.  Chung San Lee (3 out of 3 patents)


Core Competencies:
Pig Iron Production
Cold Rolled Steel Sheet
Hot Rolled Steel Sheet
Electrical Steel Sheet
Corrosion Resistance
Metal Bonding
Fluidized Bed Reduction
Zinc Coating
High Strength Steel
Molten Iron Manufacturing
Steel Smelting
Automotive Fuel Tanks

72 patents:

1. 7638088 - Method and device for producing pig iron and/or pig iron intermediate products (2009-12-29),
2. 7425230 - Method and device for producing pig iron and/or pig iron intermediate products (2008-09-16),
3. 7225997 - Distributor bottom for the distribution of a gas charged with fine solid particles (2007-06-05),
4. 7045043 - Method of reducing a band mark of an electroplating steel sheet (2006-05-16),
5. 6978531 - Method of manufacturing hot rolled steel sheet using mini mill process (2005-12-27),
6. 6955287 - Method of bonding metal plates, apparatus therefor and hot strip mill (2005-10-18),
7. 6797372 - Resin-coated steel for fuel tanks of automobile and method for manufacturing the same (2004-09-28),
8. 6773518 - Cold rolled steel sheet having excellent corrosion resistance to sulfuric acid (2004-08-10),
9. 6713593 - Copolymer comprising alkylene carbonate and method of preparing same (2004-03-30),
10. 6667105 - Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet (2003-12-23),
11. 6565671 - Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same (2003-05-20),
12. 6451128 - Method for manufacturing high magnetic flux denshy grain oriented electrical steel sheet based on low temperature slab heating method (2002-09-17),
13. 6387538 - Surface-treated steel sheet for fuel tanks and method of fabricating same (2002-05-14),
14. 6346212 - Converter (2002-02-12),
15. 6319458 - Pulverized coal injecting apparatus (2001-11-20),
POSCO (formerly known as Pohang Iron & Steel Co. Ltd) is a leading steel manufacturing company based in South Korea. With over 50 years of expertise, POSCO produces various high-quality steel products including flat steel, long steel, and stainless steel. The company's commitment to innovation, sustainability, and customer satisfaction has driven its growth as one of the world's top steel producers. POSCO is dedicated to creating a better future through responsible and ethical business practices.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

72 Patents

#12 in

#236 in South Korea

#9,936 in the World

...
KR

Pohang Iron & Steel Co. Ltd.

Forward Citations = 340

208 inventors:

goldMedal Werner Leopold Kepplinger (6 out of 30 patents)

silverMedal Il Ock Lee (6 out of 8 patents)

bronzeMedal Johannes Leopold Schenk (5 out of 32 patents)

4.  Felix Wallner (5 out of 25 patents)

5.  Sam-Kyu Chang (4 out of 4 patents)

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