Inventor · disambiguated record
James Chien Fan Chao
Also filed as: CHAO JAMES CHIEN-FAN
2 granted patents·10 citations·filing 2002–2003
54Inventor score
Top patents by PatentIndex Score
2 records- 0150US6605908B1Stopper protection circuit of electronic ballast for fluorescent lampSUNPARK ELECTRONICS CORP·Filed 2002·Granted Aug 12, 2003·8 cites·15 claims
- 0233US7023148B2Power feedback power factor correction high frequency inverterCHAO JAMES CHIEN FAN·Filed 2003·Granted Apr 4, 2006·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →