- 2012 - 2017 Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science Professor
- 2017 - Tokyo University of Science Faculty of Science and Technology, Department of Pure and Applied Chemistry
- 2007 - 2011 Tokyo University of Science Faculty of Science and Technology
- 2002 - 2008 the Research Center for Advanced Materials (RCAM), Tokyo University of Science Research staff
- 2003 - 2006 Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science Associate Professor
- 1998 - 2002 Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science Research associate
- 1998 - 2001 the Division of Advanced Materials, Research Institute for Science and Technology, Tokyo University ofScience Research staff
- 1993 - 1997 Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science Research assistant
- 1992 - 1993 University of Wisconsin-Madison Postdoctral researcher
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高分子学会無機高分子研究会
, Chemical Society of Japan
, 日本化学会
, The Japanese Sol-Gel Society
, 日本ゾル-ゲル学会
, 日本ゾル-ゲル学会
, The Society of Silicon Chemistry JAPAN
, ケイ素化学協会