Dong Hwan Ryu

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Cheongju, KR

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing of a catalyst solution for fuel cell and a me...
- Patent number 8,309,276
- Issue date Nov 13, 2012
- Hanwha Chemical Corporation
- Byungchul Jang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PREPARING OF A CATALYST SOLUTION FOR FUEL CELL AND A ME...
- Publication number 20100330463
- Publication date Dec 30, 2010
- Hanwha Chemical Corporation
- Byungchul Jang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Process to prepare the self-stand electrode using porous supporter...
- Publication number 20090202885
- Publication date Aug 13, 2009
- Young Taek Kim
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...