Inventor

CHEN CHENG-JIEN

TW2 patents

Patents

2 patents

US7614870B2Nov 10, 2009

Injection unit of a two-stage injection molding machine

IND TECH RES INST2 citations57

US7156636B2Jan 2, 2007

Nozzle contact device of an injection machine

IND TECH RES INST0 citations45