Journal of Open Innovation: Technology, Market, and Complexity

Table 2 Patents applications during 30 years in four Korean cities

From: Open innovation of knowledge cities

Year	Subtotal	Daegu	Kwangju	Gumi	Cheonan
1981–1990	12,724	9603	1663	795	686
1991–2000	46,369	21,446	10,694	10,240	4063
2001–2010	85,532	36,096	20,455	12,486	16,834
Total	144,625	67,145	32,812	23,521	21,583

Source: KISTI database (http://patent.ndsl.kr)

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