Inventor · disambiguated record
Rene Twardzik
Also filed as: TWARDZIK RENE
10 granted patents·109 citations·filing 1999–2014
86Inventor score
Files withPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH6GAO WEI1OSRAM GMBH1PATENT TREUHAND GES FUER ELKTR1TISO MICHELE1
Top patents by PatentIndex Score
10 records- 0189US6717371B2Ballast for operating at least one low-pressure discharge lampPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2002·Granted Apr 6, 2004·65 cites·11 claims
- 0262US7061190B2Circuit arrangement and operating device for operating lampsPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2005·Granted Jun 13, 2006·2 cites·10 claims
- 0362US7053563B2Circuit arrangement for operating light sourcesPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2005·Granted May 30, 2006·1 cites·6 claims
- 0454US7439680B2Apparatus for safely connecting the lamp to the equipment voltage groundPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2006·Granted Oct 21, 2008·2 cites·11 claims
- 0553US9832823B2Load driving circuit and illumination apparatus including the sameOSRAM GMBH·Filed 2014·Granted Nov 28, 2017·0 cites·10 claims
- 0652US6078144AElectronic ballast with inrush current limitingPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1999·Granted Jun 20, 2000·19 cites·19 claims
- 0748US8836238B2Detect method for step dimming selectionGAO WEI·Filed 2008·Granted Sep 16, 2014·0 cites·7 claims
- 0838US6191677B1Inductance elementPATENT TREUHAND GES FUER ELKTR·Filed 1999·Granted Feb 20, 2001·11 cites·19 claims
- 0936US6044000ASwitched-mode power supply having signal evaluation unit connected to a charging inductorPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1999·Granted Mar 28, 2000·9 cites·10 claims
- 1030US8861206B2Casing for electronic ballastTISO MICHELE·Filed 2010·Granted Oct 14, 2014·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →