YC

Yih-Fang Chiou

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,257,394 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7023148 Power feedback power factor correction high frequency inverter James Chien Fan Chao, Kanghong Zhang 2006-04-04
6998786 Control circuit of electronic ballast for fluorescent lamp 2006-02-14
6998795 Power factor correction circuit for electronic ballast 2006-02-14
6605908 Stopper protection circuit of electronic ballast for fluorescent lamp Kanghong Zhang, James Chien Fan Chao 2003-08-12