Inventor · disambiguated record
Zhihua Song
Also filed as: SONG ZHIHUA
11 granted patents·1 pending application·7 citations·filing 2008–2023
82Inventor score
Files withLUMILEDS LLC5II VI DELAWARE INC3KONINKL PHILIPS NV1LUMILEDS HOLDING BV1PHILIPS LIGHTING HOLDING BV1
Top patents by PatentIndex Score
12 records- 0189US11733462B2MEMS-based variable optical attenuator arrayII VI DELAWARE INC·Filed 2022·Granted Aug 22, 2023·2 cites·20 claims
- 0288US11464099B2Universal asynchronous receiver/transmitter interface for light emitting diode systemLUMILEDS LLC·Filed 2021·Granted Oct 4, 2022·2 cites·17 claims
- 0375US12158614B2MEMS-based variable optical attenuator arrayII VI DELAWARE INC·Filed 2023·Granted Dec 3, 2024·0 cites·20 claims
- 0472US10959306B2Dimming LED circuit augmenting DC/DC controller integrated circuitLUMILEDS LLC·Filed 2017·Granted Mar 23, 2021·2 cites·15 claims
- 0567US10601317B1Systems, apparatus and methods of zero current detection and start-up for direct current (DC) to DC converter circuitsLUMILEDS HOLDING BV·Filed 2018·Granted Mar 24, 2020·1 cites·20 claims
- 0664US11360273B2MEMS-based variable optical attenuator arrayII VI DELAWARE INC·Filed 2021·Granted Jun 14, 2022·0 cites·20 claims
- 0760US10965213B2Systems, apparatus and methods of zero current detection and start-up for direct current (DC) to DC converter circuitsLUMILEDS LLC·Filed 2020·Granted Mar 30, 2021·0 cites·22 claims
- 0853US10856376B2Printed circuit board for integrated LED driverLUMILEDS LLC·Filed 2018·Granted Dec 1, 2020·0 cites·20 claims
- 0949US10165640B2Printed circuit board for integrated LED driverLUMILEDS LLC·Filed 2017·Granted Dec 25, 2018·0 cites·20 claims
- 1044US8247983B2Lamp driving circuitSONG ZHIHUA·Filed 2008·Granted Aug 21, 2012·0 cites·14 claims
- 1141US2016029465A1System and method for electronic device control in the presence of electrical arcingKONINKL PHILIPS NV·Filed 2014·Application pending·0 cites
- 1230US10110118B2Charge pump effect compensation for high frequency isolation transformer in lighting device power suppliesPHILIPS LIGHTING HOLDING BV·Filed 2015·Granted Oct 23, 2018·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →