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SISS-15（Seikei University, Tokyo,April 25 and 26, 2013 ）
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SISS-14（Seikei University, Tokyo,May 31 and June 1, 2012）
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SISS-13（Toyota Central R&D Labs., Inc., Nagoya,June 23 and 24, 2011）
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SISS-12（Seikei University, Tokyo,June 10 and 11, 2010）
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SISS-11（Seikei University, Tokyo,June 11 and 12, 2009）