Jin-Hwan CHANG

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Yongin-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Rechargeable battery and manufacturing method of the same
- Patent number 9,174,265
- Issue date Nov 3, 2015
- Samsung SDI Co., Ltd.
- Jae-Wook Lee
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
RECHARGEABLE BATTERY AND MANUFACTURING METHOD OF THE SAME
- Publication number 20120094160
- Publication date Apr 19, 2012
- Samsung SDI Co., Ltd.
- Jae-Wook LEE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...