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Innovation networks in China, Japan, and Korea : evidence from Japanese patent data

By Kuroiwa Ikuo, Nabeshima Kaoru and Tanaka Kiyoyasu

Abstract

The growing importance of innovation in economic growth has encouraged the development of innovation capabilities in East Asia, within which China, Japan, and Korea are most important in terms of technological capabilities. Using Japanese patent data, we examine how knowledge networks have developed among these countries. We find that Japan\u27s technological specialization saw little change, but those of Korea and China changed rapidly since 1970s. By the year 2009, technology specialization has become similar across three countries in the sense that the common field of prominent technology is "electronic circuits and communication technologies". Patent citations suggest that technology flows were largest in the electronic technology, pointing to the deepening of innovation networks in these countries

Topics: 331.88022, JEL:L6 - Industry Studies: Manufacturing, JEL:L63 - Microelectronics; Computers; Communications Equipment, JEL:O31 - Innovation and Invention: Processes and Incentives, JEL:O33 - Technological Change: Choices and Consequences; Diffusion Processes, East Asia, China, South Korea, Japan, Technological innovations, Industrial technology, Patents, Technology transfer, Electronics, Telecommunication, Innovation network, Patent statistics
Publisher: Institute of Developing Economies (IDE-JETRO) 
Year: 2011
OAI identifier: oai:ir.ide.go.jp:00037887

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