Sangwoo CHOI

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Pohang-si, KR

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Patents Applicationslast 30 patents

Information Patent Application
CALCIUM-CONTAINING GRAPHITE STEEL WIRE ROD, GRAPHITE STEEL, AND MAN...
- Publication number 20250043400
- Publication date Feb 6, 2025
- POSCO Co., Ltd
- Sangwoo CHOI
- C21 - METALLURGY OF IRON
Information Patent Application
GRAPHITE STEEL WIRE ROD AND GRAPHITE STEEL FOR TV PEM NUT PARTS, ME...
- Publication number 20250034672
- Publication date Jan 30, 2025
- POSCO Co., Ltd
- Sangwoo CHOI
- C21 - METALLURGY OF IRON
Information Patent Application
CALCIUM-CONTAINING GRAPHITE STEEL HAVING EXCELLENT MACHINABILITY, A...
- Publication number 20250019790
- Publication date Jan 16, 2025
- POSCO Co., Ltd
- Sangwoo CHOI
- C21 - METALLURGY OF IRON
Information Patent Application
SULFUR-ADDED GRAPHITE STEEL WIRE ROD, STEEL WIRE AND GRAPHITE STEEL...
- Publication number 20240401167
- Publication date Dec 5, 2024
- POSCOCO., LTD
- Sangwoo CHOI
- C21 - METALLURGY OF IRON