- 2001/04 - 現在 University of Miyazaki Faculty of Agriculture, Department of Plant and Animal Sciences
- 2001/04 - 現在 Professor,University of Miyazaki,Animal production science course,Department of Plant and Animal Sciences,Faculty of Agriculture,University of Miyazaki
- 2013/06 - 2014/03 Kagoshima University United Graduate School of Agricultural Sciences
- 2013/06 - 2014/03 Visiting Professor,The United Graduate School of Agricultural Sciences, Kagoshima University
- 1990/07 - 2007/03 Kagoshima University United Graduate School of Agricultural Sciences
- 1990/07 - 2007/03 Professor,The United Graduate School of Agricultural Sciences, Kagoshima University
- 1988/11 - 2001/03 University of Miyazaki Faculty of Agriculture
- 1988/11 - 2001/03 Associate Professor,University of Miyazaki,Faculty of Agriculture,University of Miyazaki
- 2000/04 - 2000/09 文部省在外研究員(短期:アメリカ合衆国) 研究員
- 2000/04 - 2000/09 Researcher,Ministry of Education, Science and Culture, Japan
- 1996/06 - 1996/08 日本学術振興会特定国派遣研究員(ハンガリー共和国) 研究員
- 1996/06 - 1996/08 Researcher,Japan Society for the Promotion of Science
- 1990/07 - 1990/08 日本学術振興会特定国派遣研究員(ブルガリア共和国) 研究員
- 1990/07 - 1990/08 Researcher,Japan Society for the Promotion of Science
- 1979/10 - 1988/11 University of Miyazaki Faculty of Agriculture
- 1979/10 - 1988/11 Research Associate,University of Miyazaki,Faculty of Agriculture,University of Miyazaki
- 1985/06 - 1986/06 文部省在外研究員(長期乙:連合王国) 研究員
- 1985/06 - 1986/06 Researcher,Ministry of Education, Science and Culture, Japan
- University of Miyazaki Faculty of Agriculture, Department of Animal and Grassland Sciences, University of Miyazaki,Animal production science course,Department of Plant and Animal Sciences,Faculty of Agriculture,University of Miyazaki Professor