Inventor · Ottobrunn, DE

Josef Osterried

8Patents
4h-index
8Co-inventors
50Inventor score

Filing activity: Aug 10, 1994 → Dec 5, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5917287A Operating circuit for high-pressure discharge lamps with an ignition-time bridging function Emerging Cross-Sectional Technologies 63 Expired
US5719473A High frequency operating circuit with in-rush current protection for operation of discharge lamps Electricity 6 Expired
US5770924A Ignitional run circuit that immediately applies only a DC voltage after lamp ignition but before the main AC potential is applied Emerging Cross-Sectional Technologies 4 Expired
US6525491B2 Stabilizing the operation of gas discharged lamps Electricity 4 Expired
US5540595A Lamp operating accessory circuit construction Electricity 3 Expired
US9101009B2 Circuit arrangement for operating N parallel-connected strings having at least one semiconductor light source Electricity 1 Active
US7193372B2 Electronic ballast with voltage converter having improved damping arrangement Electricity 1 Expired
US9125262B2 Circuit configuration for operating LEDs for a micromirror arrangement Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.