Hong-Geun Chang

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Anyang-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic resin-laminated structure, method for preparation and...
- Patent number 7,479,313
- Issue date Jan 20, 2009
- Hong-Geun Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Thermoplastic resin-laminated structure, method for preparation and...
- Publication number 20080063847
- Publication date Mar 13, 2008
- Hong-Geun Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Thermoplastic resin-laminated structure, method for preparation and...
- Publication number 20050205203
- Publication date Sep 22, 2005
- Hong-Geun Chang
- Hong-Geun Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Thermoplastic resin-laminated structure, method for preparation and...
- Publication number 20030003317
- Publication date Jan 2, 2003
- Hong-Geun Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL