Yoshiyuki Takeda

Academic landscape of innovation research and national innovation system policy reformation in Japan and the United States

Ichiro Sakata, Yuya Kajikawa, Katsumori Matsushima, 2009, PICMET '09 - 2009 Portland International Conference on Management of Engineering & Technology.

Comparative study on methods of detecting research fronts using different types of citation

Naoki Shibata, Yoshiyuki Takeda, Yuya Kajikawa, 2009, J. Assoc. Inf. Sci. Technol..

Academic Landscape Of Innovation Research And National Innovation System Policy Reformation In Japan And The United States

Ichiro Sakata, Yuya Kajikawa, Katsumori Matsushima, 2012 .

An analysis of geographical agglomeration and modularized industrial networks in a regional cluster: A case study at Yamagata prefecture in Japan

Ichiro Sakata, Yuya Kajikawa, Katsumori Matsushima, 2008 .

Towards institutional analysis of sustainability science: a quantitative examination of the patterns of research collaboration

Yuya Kajikawa, Masaru Yarime, Masaru Yarime, 2009 .

Creating an academic landscape of sustainability science: an analysis of the citation network

Yuya Kajikawa, Katsumori Matsushima, Hiroshi Komiyama, 2007 .