Wooyoung Choi

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Ulsan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Hemming device of panel and manufacturing method thereof
- Patent number 9,669,451
- Issue date Jun 6, 2017
- Hyundai Motor Company
- Wooyoung Choi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
HEMMING DEVICE OF PANEL AND MANUFACTURING METHOD THEREOF
- Publication number 20170014892
- Publication date Jan 19, 2017
- Hyundai Motor Company
- Wooyoung Choi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...