City (pop., 2003 est.: 1,372,600), capital of Guizhou province, southern China. It is situated south of Chongqing. The Sui (581–618) and Tang (618–907) dynasties established military outposts there, but the city developed only after the Mongol invasion of southwestern China in 1279. Chinese settlement followed, and, under the Ming (1368–1644) and Qing (1644–1911) dynasties, Guiyang became the seat of a prefecture. The Sino-Japanese War (1937–45) spurred its growth into a major provincial city and industrial centre.
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US Patent Issued to Advanced Optoelectronic Technology on April 9 for "Method for Manufacturing Light Emitting Diode" (Taiwanese Inventors)
Apr 09, 2013; ALEXANDRIA, Va., April 9 -- United States Patent no. 8,415,179, issued on April 9, was assigned to Advanced Optoelectronic...