Inventor · disambiguated record
Cho Sing Chan
Also filed as: CHAN CHO SING
3 granted patents·9 citations·filing 2005–2011
59Inventor score
Top patents by PatentIndex Score
3 records- 0155US8400076B2Current leakage protection device for LED applicationsCHAN CHO SING·Filed 2010·Granted Mar 19, 2013·2 cites·12 claims
- 0254US7728528B2Electronic ballast with preheating and dimming controlCENTURY CONCEPT LTD·Filed 2005·Granted Jun 1, 2010·7 cites·21 claims
- 0337US8760065B2Passive anti-arcing protection device for fluorescent lamp ballastCHAN CHO SING·Filed 2011·Granted Jun 24, 2014·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →