Inventor

CHAO JAMES CHIEN-FAN

US2 patents

⚠️ This page may combine multiple inventors who share the name “CHAO JAMES CHIEN-FAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUNPARK ELECTRONICS CORP

1 patent

US6605908B1Aug 12, 2003

Stopper protection circuit of electronic ballast for fluorescent lamp

SUNPARK ELECTRONICS CORP8 citations64

CHAO JAMES CHIEN FAN

1 patent

US7023148B2Apr 4, 2006

Power feedback power factor correction high frequency inverter

CHAO JAMES CHIEN FAN2 citations51