- 2019/04/01 - Graduate School of Biomedical and Health Sciences Associate Professor
- 2019/04/01 - Graduate School of Biomedical and Health Sciences Associate Professor
- 2012/04/01 - 2019/03/31 Department of Molecular Microbiology and Biotechnology, Graduate School of Biomedical and Health Sciences, Hiroshima University Associate professor
- 2012/04/01 - 2019/03/31 Department of Molecular Microbiology and Biotechnology, Graduate School of Biomedical and Health Sciences, Hiroshima University Associate professor
- 2007/04/01 - 2012/03/31 Department of Molecular Microbiology and Biotechnology, Graduate School of Biomedical Sciences, Hiroshima University Associate professor
- 2007/04/01 - 2012/03/31 Department of Molecular Microbiology and Biotechnology, Graduate School of Biomedical Sciences, Hiroshima University Associate professor
- 2004/02/01 - 2007/03/31 Department of Molecular Microbiology and Biotechnology, Graduate School of Biomedical Sciences, Hiroshima University Associate professor
- 2004/02/01 - 2007/03/31 Department of Molecular Microbiology and Biotechnology, Graduate School of Biomedical Sciences, Hiroshima University Associate professor
- 2003/04/01 - 2004/01/31 Department of Molecular Microbiology and Biotechnology, Graduate School of Biomedical Sciences, Hiroshima University Assistant Professor
- 2003/04/01 - 2004/01/31 Department of Molecular Microbiology and Biotechnology, Graduate School of Biomedical Sciences, Hiroshima University Assistant Professor
- 1995/04/01 - 2003/03/31 Department of Pharmaceutical Sciences, Hiroshima University Research Associate