Hi-tech lighting manufacturer, one of three biggest in the world; part of Siemans AG manufacturing sector; Osram light bulb developed 1906, name was formed from the German words OSmium (from the element osmium) and WolfRAM (from the element tungsten), name registered in 1906 by Auer-Gesselschaft; British company General Electric Company imported Osram filaments for their own production of light bulbs; 1919/1920 Auergesellschaft, Siemens & Halske, and Allgemeine Elektrizitäts-Gesellschaft (AEG) combined their electric lamp production with the formation of the company Osram GmbH KG, the leading German light bulb manufacturers