TW

Tak Tai Wong

Overall (All Time): #2,249,266 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5903417 Self-excitation type switch power supply unit with overcurrent protection 1999-05-11
4891571 Control device for switching a thyristor 1990-01-02