Geun Sig Cha

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Planar reference electrode
- Patent number 6,964,734
- Issue date Nov 15, 2005
- Geun Sig Cha
- Geun Sig Cha
- G01 - MEASURING TESTING
Information Patent Grant
Reference electrode with a polymeric reference electrode membrane
- Patent number 6,793,789
- Issue date Sep 21, 2004
- Geun Sig Cha
- Yong Suk Choi
- G01 - MEASURING TESTING

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