Inventor · disambiguated record
John K. Gulsen
Also filed as: GULSEN JOHN K
4 granted patents·29 citations·filing 2001–2016
71Inventor score
Top patents by PatentIndex Score
4 records- 0173US7642735B2Using pulse density modulation for controlling dimmable electronic lighting ballastsMICROCHIP TECH INC·Filed 2006·Granted Jan 5, 2010·6 cites·26 claims
- 0273US6683587B2Switched mode digital logic method, system and apparatus for directly driving LCD glassMICROCHIP TECH INC·Filed 2001·Granted Jan 27, 2004·20 cites·46 claims
- 0367US9504122B2Fluorescent replacement LED lampsMICROCHIP TECH INC·Filed 2016·Granted Nov 22, 2016·2 cites·18 claims
- 0449US8193719B2Using pulse density modulation for controlling dimmable electronic lighting ballastsGULSEN JOHN K·Filed 2009·Granted Jun 5, 2012·1 cites·41 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →