- 2002 - 現在 University of Tsukuba
- 2001 - 2007 Nihon University College of Humanities and Sciences
- 2001 - 2007 Nihon University, A part-time Teacher
- 2005 - -聖徳大学人文学部日本文化学科助教授(現准教授)、聖徳大学大学院言語
- 2005 - -Seitoku University, Associate Professor
- 2002 - - University of Tsukuba, A part-time Teacher
- 2000 - 2001 Tohoku University Graduate School of Arts and Letters
- 2000 - 2001 Tohoku University Graduate School, Assistant Professor
- 2001 - - 聖徳大学人文学部講師
- 2001 - - Seitoku University, Assistant Professor
- 1997 - 2000 日本学術振興会特別研究員(PD)
- 1997 - 2000 Post Doctoral Research Fellow of the Japan Society for the Promotion of Science
- Seitoku University Faculty of Humanities, Department of Japanese Culture Associate Professor
- 文化研究科助教授(現准教授)併任.
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