Hen-Chieh Chang

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Servo-driven type mold clamping unit mold protection method
- Patent number 6,641,757
- Issue date Nov 4, 2003
- Industrial Technology Research Institute
- Hsing-Chang Liu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SERVO-DRIVEN TYPE MOLD CLAMPING UNIT MOLD PROTECTION METHOD
- Publication number 20030160344
- Publication date Aug 28, 2003
- Industrial Technology Research Institute
- Hsing-Chang Liu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL