Patent assignee · DE · COMPANY

OSRAM GmbH

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1,026Patents
895Active
1,026Granted
63Portfolio score

Filing activity: Dec 14, 1978 → Dec 13, 2022 · 291 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7078732B1 Light-radiating semiconductor component with a luminescence conversion element Emerging Cross-Sectional Technologies 147 Expired
USD766289S1 Display screen with graphical user interface General 132 Active
US7126162B2 Light-radiating semiconductor component with a luminescence conversion element Emerging Cross-Sectional Technologies 131 Expired
US6849881B1 Optical semiconductor device comprising a multiple quantum well structure Electricity 101 Expired
US7629621B2 Light-radiating semiconductor component with a luminescence conversion element Emerging Cross-Sectional Technologies 83 Active
US7439549B2 LED module Emerging Cross-Sectional Technologies 75 Expired
US7265392B2 Light-emitting-diode chip comprising a sequence of GaN-based epitaxial layers which emit radiation and a method for producing the same Electricity 66 Expired
US6878563B2 Radiation-emitting semiconductor element and method for producing the same Electricity 66 Expired
USD705467S1 Luminaire General 65 Active
US8322892B2 Heat sink and lighting device comprising a heat sink Mechanical Engineering; Lighting; Heating 65 Active
US8870426B2 Illumination unit for vehicle headlights and vehicle headlights Mechanical Engineering; Lighting; Heating 65 Active
USD594995S1 LED-lamp General 63 Expired
US7442966B2 Electromagnetic radiation emitting semiconductor chip and procedure for its production Electricity 62 Active
USD703841S1 LED lighting module General 61 Active
US6946714B2 Surface mounting optoelectronic component and method for producing same Electricity 59 Expired
US7151283B2 Light-radiating semiconductor component with a luminescence conversion element Emerging Cross-Sectional Technologies 59 Expired
USD551784S1 Halogen bulb with a reflector General 58 Expired
USD433166S Halogen lamp-reflector combination General 54 Expired
US7345317B2 Light-radiating semiconductor component with a luminescene conversion element Emerging Cross-Sectional Technologies 53 Expired
USD668371S1 Luminaire General 50 Active
US7135709B1 Surface structured light-emitting diode with improved current coupling Electricity 49 Expired
US7939844B2 Light-emitting-diode chip comprising a sequence of GAN-based epitaxial layers which emit radiation and a method for producing the same Electricity 48 Active
USD651735S1 Luminaire General 48 Expired
USD646802S1 LED lamp General 44 Expired
US8179037B2 High power LED module assembly and method for manufacturing the same Emerging Cross-Sectional Technologies 43 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.