Kyung-Doo Ha

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Yongin-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Laser cleaning device for electrode tab of battery and laser cleani...
- Patent number 8,834,634
- Issue date Sep 16, 2014
- Samsung SDI Co., Ltd.
- Jung-Bae Cha
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Swaging apparatus
- Patent number 8,833,125
- Issue date Sep 16, 2014
- Samsung SDI Co., Ltd.
- Jung-Bae Cha
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
SWAGING APPARATUS
- Publication number 20120047982
- Publication date Mar 1, 2012
- Samsung SDI Co., Ltd.
- Jung-Bae Cha
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Laser Cleaning Device for Electrode Tab of Battery and Laser Cleani...
- Publication number 20110290276
- Publication date Dec 1, 2011
- Samsung SDI Co., Ltd.
- Jung-Bae Cha
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR