- 2004 - 2009 広島大学 客員教授 (高等教育研究開発センター)
- 2008/10 - - 関西外国語大学 教授 (外国語学部)
- 2003/10 - 2008/09 Shinshu University
- 2003 - 2008 Professor, Faculty of Artrs, Shsinshu Universitu
- 2008 - - Professor, College of Foreign Studies, Kansai Gaidai University
- 2001/04 - 2003/09 信州大学 教授 (教育システム研究開発センター)
- 2000 - 2003 Professor, Research Center for Education, Shinshu University
- 1990/04 - 2001/03 Shinshu University
- 1990 - 2000 Professor, Faculty of Arts, Shinshu University
- 1981 - 1990 Shinshu University
- 1981 - 1990 Associate Professor, Faculty of Arts, Shinshu University
- 1978 - 1981 Hiroshima University
- 1978 - 1981 Associate Professor, Hiroshima University
- 1973 - 1978 Hiroshima University
- 1973 - 1978 Hiroshima University Lecturer
- 1973 - 1974 Hiroshima University
- 1973 - 1974 Lectgurer, Hiroshima University
- 1972 - 1973 Nagoya University
- 1972 - 1973 Nagoya University (Faculty of Letters) Research Assistant
- 1967 - 1970 English Teache at Nagashima Senior High School, Mie Pref.
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近代英語協会
, 日本英語学会
, 中部英文学会
, 日本英文学会
, The Society of Historical English Language and Linguistics
, Middle and Modern English Corpus Linguistics
, English Linguistic Society of Japan