The top 10 Chinese provinces in invention patents granted in 2010 are Guangdong (13,691 ), Beijing (11,209 ), Jiangsu (7,210), Shanghai (6,867), Zhejiang (6,410), Shandong (4,106 ), Liaoning (2,357), Sichuan (2,204), Hubei (2,025) and Tianjin (1,930).
2013-07-17