Inventor

YEN HONG-KAI

TW2 patents

⚠️ This page may combine multiple inventors who share the name “YEN HONG-KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHUNGHWA TELECOM CO LTD

1 patent

US7991434B2Aug 2, 2011

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

CHUNGHWA TELECOM CO LTD34 citations83

CHUNGHWATELECOM CO LTD

1 patent

US6356208B1Mar 12, 2002

Structure for a car sensing infrared communication device placed over a lane of a freeway

CHUNGHWATELECOM CO LTD3 citations47