Inventor

LIU CHENG-CHIANG

TW2 patents

Patents

2 patents

US9466160B2Oct 11, 2016

Method for unlocking door, method for renting asset and system thereof

GENERALPLUS TECHNOLOGY INC3 citations66

US9112983B2Aug 18, 2015

Bluetooth data/control message transmission module, interaction system and method thereof

GENERALPLUS TECHNOLOGY INC1 citations47