JH

Jyh-Chyang Hsieh

IT International Currency Technologies: 3 patents #8 of 45Top 20%
Overall (All Time): #1,565,501 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8083139 Voice device for automatic vending machine 2011-12-27
7182198 Power control circuit for use in a vending machine Tien-Yuan Chien, Yeuh-Ping Hsu 2007-02-27
6991129 Power control circuit for use in a vending machine Tien-Yuan Chien, Yeuh-Ping Hsu 2006-01-31