Junichi Sakata

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Electronic commerce (EC) has expanded and proliferated throughout the world together with the advance of information technology (IT) to become a permanent fixture of doing business. However, the main players are still overwhelmingly large-scale enterprises, whereas the number of small and medium-sized enterprises (SMEs) implementing EC is decidedly small.(More)
In order to analyze the progress of research based on the integration of leading edge technologies, this paper introduces three types of patent data categorization, namely the Mix, Only and Mono-IPC type, respectively, expanding the concept of IPC Co-Occurrence. Additionally, the concept of innovation coordinate is introduced as a mean to investigate status(More)
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