Inventor

HE YUN-CHUN

TW2 patents

Patents

2 patents

US7435079B2Oct 14, 2008

Angular ejector mechanism and injection mold with the same

CHENG UEI PREC IND CO LTD26 citations90

US7549856B2Jun 23, 2009

Side core-pulling mechanism of mold

CHENG UEI PREC IND CO LTD1 citations47