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Yoichi Hayashi
Graduate School of Comprehensive Human Sciences, University of Tsukuba
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Hirokazu Arai
Department of Intellectual Property, Osaka Institute of Technology
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Shigeharu Numao
Graduate School of Comprehensive Human Sciences, University of Tsukuba
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Masaki Nakagaichi
Research and Development Center for High Education, Nagasaki University
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Kiyoji Tanaka
Graduate School of Comprehensive Human Sciences, University of Tsukuba