Yoo Dong Chung

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Incheon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Aluminum coated blank and manufacturing method thereof
- Patent number 11,975,375
- Issue date May 7, 2024
- Hyundai Steel Company
- Chang Yong Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF
- Publication number 20240226982
- Publication date Jul 11, 2024
- HYUNDAI STEEL COMPANY
- Chang Yong Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF
- Publication number 20240149322
- Publication date May 9, 2024
- HYUNDAI STEEL COMPANY
- Chang Yong Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF
- Publication number 20240131569
- Publication date Apr 25, 2024
- HYUNDAI STEEL COMPANY
- Chang Yong Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF
- Publication number 20220134404
- Publication date May 5, 2022
- HYUNDAI STEEL COMPANY
- Chang Yong Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR