Hyeon-Seok HWANG

Person

Gwangyang-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Aluminum alloy-plated steel sheet having excellent workability and...
- Patent number 12,152,305
- Issue date Nov 26, 2024
- Posco
- Suk-Kyu Lee
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy-plated steel sheet having excellent workability and...
- Patent number 11,897,229
- Issue date Feb 13, 2024
- Posco
- Suk-Kyu Lee
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Aluminum-based alloy-plated steel sheet having excellent workabilit...
- Patent number 11,898,252
- Issue date Feb 13, 2024
- Posco
- Suk-Kyu Lee
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Plating steel sheet for hot press forming, forming member using sam...
- Patent number 11,833,778
- Issue date Dec 5, 2023
- Posco
- Hyeon-Seok Hwang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hot-dip galvanized steel sheet having excellent surface appearance...
- Patent number 11,801,665
- Issue date Oct 31, 2023
- POSCO Co., Ltd
- Hyeon-Seok Hwang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steel sheet having excellent image clarity after painting
- Patent number 11,584,973
- Issue date Feb 21, 2023
- POSCO Co., Ltd
- Doo-Jin Paik
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Austenite-based molten aluminum-plated steel sheet having excellent...
- Patent number 11,420,419
- Issue date Aug 23, 2022
- Posco
- Young-Ha Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Plating steel sheet for hot press forming, forming member using sam...
- Patent number 11,358,369
- Issue date Jun 14, 2022
- Posco
- Hyeon-Seok Hwang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot-dip galvanized steel sheet having excellent low-temperature adh...
- Patent number 11,338,551
- Issue date May 24, 2022
- Posco
- Hyeon-Seok Hwang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot dip aluminized steel material having excellent corrosion resist...
- Patent number 11,090,907
- Issue date Aug 17, 2021
- Posco
- Ki-Cheol Kang
- B32 - LAYERED PRODUCTS
Information Patent Grant
Hot-rolled galvanized steel sheet having excellent galling resistan...
- Patent number 10,982,309
- Issue date Apr 20, 2021
- Posco
- Sang-Heon Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High-manganese hot-dip aluminum-coated steel sheet having excellent...
- Patent number 10,968,506
- Issue date Apr 6, 2021
- Posco
- Heung-Yun Kim
- B32 - LAYERED PRODUCTS
Information Patent Grant
Plated steel sheet for hot press forming having excellent weldabili...
- Patent number 10,626,504
- Issue date Apr 21, 2020
- POSCO
- Myung-Soo Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel sheet for hot press forming with excellent corrosion resistan...
- Patent number 10,570,493
- Issue date Feb 25, 2020
- POSCO
- Myung-Soo Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Plated steel sheet for hot press forming having excellent weldabili...
- Patent number 10,190,221
- Issue date Jan 29, 2019
- POSCO
- Myung-Soo Kim
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
ALUMINUM ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILITY AND...
- Publication number 20250034692
- Publication date Jan 30, 2025
- POSCO CO., LTD.
- Suk-Kyu Lee
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING, AND METHOD OF MANUFACTURI...
- Publication number 20240051005
- Publication date Feb 15, 2024
- POSCO Co., Ltd
- Hyeon-seok Hwang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ALUMINUM ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILITY AND...
- Publication number 20240052495
- Publication date Feb 15, 2024
- POSCO
- Suk-Kyu Lee
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ALUMINUM-BASED ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILIT...
- Publication number 20230026159
- Publication date Jan 26, 2023
- POSCO
- Suk-Kyu LEE
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALUMINUM ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILITY AND...
- Publication number 20230012544
- Publication date Jan 19, 2023
- POSCO
- Suk-Kyu Lee
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALUMINUM ALLOY-PLATED STEEL SHEET, HOT-FORMED MEMBER, AND METHODS F...
- Publication number 20220372608
- Publication date Nov 24, 2022
- POSCO
- Hyeon-Seok Hwang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PLATING STEEL SHEET FOR HOT PRESS FORMING, FORMING MEMBER USING SAM...
- Publication number 20220274377
- Publication date Sep 1, 2022
- POSCO
- Hyeon-Seok HWANG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE APPEARANCE...
- Publication number 20220024181
- Publication date Jan 27, 2022
- POSCO
- Hyeon-Seok HWANG
- C21 - METALLURGY OF IRON
Information Patent Application
PLATING STEEL SHEET FOR HOT PRESS FORMING, FORMING MEMBER USING SAM...
- Publication number 20210008837
- Publication date Jan 14, 2021
- POSCO
- Hyeon-Seok HWANG
- B32 - LAYERED PRODUCTS
Information Patent Application
HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT LOW-TEMPERATURE ADH...
- Publication number 20200391480
- Publication date Dec 17, 2020
- POSCO
- Hyeon-Seok HWANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
STEEL SHEET HAVING EXCELLENT IMAGE CLARITY AFTER PAINTING AND METHO...
- Publication number 20200347474
- Publication date Nov 5, 2020
- POSCO
- Doo-Jin PAIK
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
AUSTENITE-BASED MOLTEN ALUMINUM-PLATED STEEL SHEET HAVING EXCELLENT...
- Publication number 20200262181
- Publication date Aug 20, 2020
- POSCO
- Young-Ha KIM
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HOT DIP ALUMINIZED STEEL MATERIAL HAVING EXCELLENT CORROSION RESIST...
- Publication number 20190381764
- Publication date Dec 19, 2019
- POSCO
- Ki-Cheol KANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HOT-ROLLED GALVANIZED STEEL SHEET HAVING EXCELLENT GALLING RESISTAN...
- Publication number 20190194792
- Publication date Jun 27, 2019
- POSCO
- Sang-Heon KIM
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT WELDABILI...
- Publication number 20190136386
- Publication date May 9, 2019
- POSCO
- Myung-Soo KIM
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH-MANGANESE HOT-DIP ALUMINUM-COATED STEEL SHEET HAVING EXCELLENT...
- Publication number 20190010597
- Publication date Jan 10, 2019
- POSCO
- Heung-Yun KIM
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MICROCRACK-REDUCED, HOT PRESS-FORMED ARTICLE, AND METHOD FOR MANUFA...
- Publication number 20190003031
- Publication date Jan 3, 2019
- POSCO
- Hyeon-Seok HWANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT PRESS FORMED PRODUCT HAVING EXCELLENT CORROSION RESISTANCE AND...
- Publication number 20180363117
- Publication date Dec 20, 2018
- POSCO
- Il-Ryoung SOHN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT WELDABILI...
- Publication number 20170029955
- Publication date Feb 2, 2017
- POSCO
- Myung-Soo KIM
- B32 - LAYERED PRODUCTS
Information Patent Application
STEEL SHEET FOR HOT PRESS FORMING WITH EXCELLENT CORROSION RESISTAN...
- Publication number 20170002450
- Publication date Jan 5, 2017
- POSCO
- Myung-Soo KIM
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Hyeon-Seok HWANG

Person

Patents Grantslast 30 patents

Aluminum alloy-plated steel sheet having excellent workability and...

Aluminum alloy-plated steel sheet having excellent workability and...

Aluminum-based alloy-plated steel sheet having excellent workabilit...

Plating steel sheet for hot press forming, forming member using sam...

Hot-dip galvanized steel sheet having excellent surface appearance...

Steel sheet having excellent image clarity after painting

Austenite-based molten aluminum-plated steel sheet having excellent...

Plating steel sheet for hot press forming, forming member using sam...

Hot-dip galvanized steel sheet having excellent low-temperature adh...

Hot dip aluminized steel material having excellent corrosion resist...

Hot-rolled galvanized steel sheet having excellent galling resistan...

High-manganese hot-dip aluminum-coated steel sheet having excellent...

Plated steel sheet for hot press forming having excellent weldabili...

Steel sheet for hot press forming with excellent corrosion resistan...

Plated steel sheet for hot press forming having excellent weldabili...

Patents Applicationslast 30 patents

ALUMINUM ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILITY AND...

PLATED STEEL SHEET FOR HOT PRESS FORMING, AND METHOD OF MANUFACTURI...

ALUMINUM ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILITY AND...

ALUMINUM-BASED ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILIT...

ALUMINUM ALLOY-PLATED STEEL SHEET HAVING EXCELLENT WORKABILITY AND...

ALUMINUM ALLOY-PLATED STEEL SHEET, HOT-FORMED MEMBER, AND METHODS F...

PLATING STEEL SHEET FOR HOT PRESS FORMING, FORMING MEMBER USING SAM...

HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE APPEARANCE...

PLATING STEEL SHEET FOR HOT PRESS FORMING, FORMING MEMBER USING SAM...

HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT LOW-TEMPERATURE ADH...

STEEL SHEET HAVING EXCELLENT IMAGE CLARITY AFTER PAINTING AND METHO...

AUSTENITE-BASED MOLTEN ALUMINUM-PLATED STEEL SHEET HAVING EXCELLENT...

HOT DIP ALUMINIZED STEEL MATERIAL HAVING EXCELLENT CORROSION RESIST...

HOT-ROLLED GALVANIZED STEEL SHEET HAVING EXCELLENT GALLING RESISTAN...

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT WELDABILI...

HIGH-MANGANESE HOT-DIP ALUMINUM-COATED STEEL SHEET HAVING EXCELLENT...

MICROCRACK-REDUCED, HOT PRESS-FORMED ARTICLE, AND METHOD FOR MANUFA...

HOT PRESS FORMED PRODUCT HAVING EXCELLENT CORROSION RESISTANCE AND...

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT WELDABILI...

STEEL SHEET FOR HOT PRESS FORMING WITH EXCELLENT CORROSION RESISTAN...