Inventor · disambiguated record
Josef Kreittmayr
Also filed as: KREITTMAYR JOSEF
16 granted patents·58 citations·filing 2004–2014
90Inventor score
Files withOSRAM GMBH9PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH4FISCHER KLAUS2ENDRES HELMUT1
Top patents by PatentIndex Score
16 records- 0182US7777423B2Electronic reactive current oscillation-reducing ballastOSRAM GMBH·Filed 2006·Granted Aug 17, 2010·9 cites·20 claims
- 0280US7132802B2Method for varying the power consumption of capacitive loadsPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2004·Granted Nov 7, 2006·25 cites·5 claims
- 0372US7911148B2Circuit arrangement for operating a discharge lamp having temperature compensationOSRAM GMBH·Filed 2006·Granted Mar 22, 2011·4 cites·4 claims
- 0469US9326334B2Electronic ballast for operating at least one first cascade of LEDsOSRAM GMBH·Filed 2014·Granted Apr 26, 2016·2 cites·17 claims
- 0569US7804253B2Self-exciting step-up converterOSRAM GMBH·Filed 2006·Granted Sep 28, 2010·4 cites·19 claims
- 0668US8217589B2Method for transmitting control information from a control device to a lamp unit as well as a corresponding illuminating system, lamp unit and control deviceENDRES HELMUT·Filed 2010·Granted Jul 10, 2012·4 cites·40 claims
- 0763US9100997B2Method for transmitting control information from a control apparatus to an operating device for at least one light-emitting means and operating device for at least one light-emitting meansOSRAM GMBH·Filed 2013·Granted Aug 4, 2015·1 cites·16 claims
- 0859US7911154B2Electronic ballast with phase dimmer detectionOSRAM GMBH·Filed 2006·Granted Mar 22, 2011·1 cites·7 claims
- 0955US7129648B2Interface circuit for operating capacitive loadsPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2004·Granted Oct 31, 2006·5 cites·2 claims
- 1052US7795949B2Circuit for switching a voltage-controlled transistorOSRAM GMBH·Filed 2007·Granted Sep 14, 2010·2 cites·12 claims
- 1149US9538606B2Electronic ballast for operating at least a first and a second cascade of LEDSOSRAM GMBH·Filed 2014·Granted Jan 3, 2017·0 cites·13 claims
- 1247US7330001B2Ballast having a dimming devicePATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2006·Granted Feb 12, 2008·0 cites·13 claims
- 1347US7327099B2Ballast having a dimming devicePATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2006·Granted Feb 5, 2008·0 cites·14 claims
- 1442US7750583B2Electronic reactive current oscillation-reducing ballastOSRAM GMBH·Filed 2006·Granted Jul 6, 2010·1 cites·20 claims
- 1537US8299647B2Switchable current supply for auxiliary current circuits in a current converterFISCHER KLAUS·Filed 2007·Granted Oct 30, 2012·0 cites·14 claims
- 1637US8134301B2Step-up driver with minimal switching frequencyFISCHER KLAUS·Filed 2007·Granted Mar 13, 2012·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →