Patent
Publish Date Patent Title Authors Patent Number Patent Country
2003/01/20 Reflective optical device performance testing device Tien-Kan （TK） Chung / Tu Ji town, Xie Shangbin 549436 ROC
2002/01/20 Expansion of photoelectric switches Tien-Kan （TK） Chung / Xieshang Bin, Liu Tingfang, the town of Tu Ji Zheng when Min 507930 ROC