Yun Sung CHUNG

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Busan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Rivet module and joining structure and method using the same
- Patent number 9,808,855
- Issue date Nov 7, 2017
- Sungwoo Hitech Co., Ltd.
- Yun Sung Chung
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
CLINCHING-TYPE BLIND HYBRID FASTENING APPARATUS
- Publication number 20240141946
- Publication date May 2, 2024
- Sung Woo Hitech Co., Ltd.
- Seok Hwan HWANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PROJECTION-TYPE BLIND HYBRID FASTENING APPARATUS AND FASTENING METH...
- Publication number 20240141942
- Publication date May 2, 2024
- Sung Woo Hitech Co., Ltd.
- Seok Hwan HWANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SELF PIERCING PROJECTION WELDING RIVET, AND JOINED STRUCTURE AND JO...
- Publication number 20160084288
- Publication date Mar 24, 2016
- SUNGWOO HITECH CO., LTD.
- Yun Sung CHUNG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
RIVET MODULE AND JOINING STRUCTURE AND METHOD USING THE SAME
- Publication number 20160084290
- Publication date Mar 24, 2016
- SUNGWOO HITECH CO., LTD.
- Yun Sung CHUNG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...