Inventor

KUAN YEOU-FUH

TW2 patents

Patents

2 patents

US7991434B2Aug 2, 2011

Combi-sim card framework of electronic purse combining wireless transceiver of mobile device

CHUNGHWA TELECOM CO LTD34 citations83

US11321439B2May 3, 2022

Identity authentication system and method thereof

CHUNGHWA TELECOM CO LTD0 citations33