Inventor · disambiguated record
Josef Osterried
Also filed as: OSTERRIED JOSEF
8 granted patents·110 citations·filing 1994–2013
85Inventor score
Files withPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH5OSRAM GMBH1OSTERRIED JOSEF1PATENT TREUHAND GELSELLSCHAFT1
Top patents by PatentIndex Score
8 records- 0180US5917287AOperating circuit for high-pressure discharge lamps with an ignition-time bridging functionPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1998·Granted Jun 29, 1999·64 cites·5 claims
- 0261US9101009B2Circuit arrangement for operating N parallel-connected strings having at least one semiconductor light sourceOSRAM GMBH·Filed 2013·Granted Aug 4, 2015·1 cites·12 claims
- 0361US6525491B2Stabilizing the operation of gas discharged lampsPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2001·Granted Feb 25, 2003·9 cites·9 claims
- 0454US7193372B2Electronic ballast with voltage converter having improved damping arrangementPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2005·Granted Mar 20, 2007·2 cites·9 claims
- 0548US5770924AIgnitional run circuit that immediately applies only a DC voltage after lamp ignition but before the main AC potential is appliedPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1996·Granted Jun 23, 1998·18 cites·20 claims
- 0644US5719473AHigh frequency operating circuit with in-rush current protection for operation of discharge lampsPATENT TREUHAND GELSELLSCHAFT·Filed 1996·Granted Feb 17, 1998·12 cites·13 claims
- 0732US9125262B2Circuit configuration for operating LEDs for a micromirror arrangementOSTERRIED JOSEF·Filed 2010·Granted Sep 1, 2015·0 cites·8 claims
- 0832US5540595ALamp operating accessory circuit constructionPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 1994·Granted Jul 30, 1996·4 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Josef Osterried files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →