HAN-CHIEH CHANG

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Patents Grantslast 30 patents

Information Patent Grant
Mold protecting system and method for protecting an injection moldi...
- Patent number 7,854,868
- Issue date Dec 21, 2010
- Foxnum Technology Co., Ltd.
- Han-Chieh Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
MOLD PROTECTING SYSTEM AND METHOD FOR INJECTION MOLDING MACHINE
- Publication number 20100057241
- Publication date Mar 4, 2010
- FOXNUM TECHNOLOGY CO., LTD.
- HAN-CHIEH CHANG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
MOLD CLOSING SYSTEM AND METHOD FOR INJECTION MOLDING MACHINE
- Publication number 20100025875
- Publication date Feb 4, 2010
- FOXNUM TECHNOLOGY CO., LTD.
- HAN-CHIEH CHANG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL