Patents/Inventors

Pi-shun Chang

Kaohsiung CityTW3 patents

2 Patents

US125973062026
Electric Lock and Control Method Thereof
TAIWAN FU HSING INDUSTRIAL CO., Ltd.
0 cites
US121196992024
Method for Periodically Activating Battery Unit and Electronic Device
TAIWAN FU HSING INDUSTRIAL CO., Ltd.
0 cites