Long-Cheng Cheng

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Hsinchu, TW

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Patents Grantslast 30 patents

Information Patent Grant
Gas injection nozzle for gas assisted injection molding
- Patent number 5,785,247
- Issue date Jul 28, 1998
- Industrial Technology Research Institute
- Yung-Chih Chen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Ionic electroactive graft copolymer with a fluorine-containing back...
- Publication number 20040127986
- Publication date Jul 1, 2004
- Industrial Technology Research Institute
- Jen-Luan Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...