Inventor

HONG JONG-JENG

TW2 patents

Patents

2 patents

US8751144B2Jun 10, 2014

Automatic navigation method and automatic navigation system

TZAO SZU-HAN21 citations85

US8662901B2Mar 4, 2014

Sport guiding device and sport guiding method using the same

TZAO SZU-HAN12 citations75