| 1993 – 1997 | Undergraduate at University of Tsukuba |
| 1997 – 2002 | Postgraduate student at University of Tsukuba |
| 2002 – 2004 | Postdoc at Tohoku University |
| 2004 – 2005 | Postdoc at Japan Atomic Energy Research Institute (predecessor of Japan Atomic Energy Agency) |
| 2005 – 2006 | Postdoc at Japan Atomic Energy Agency |
| 2006 – 2012 | Research Scientist at Japan Atomic Energy Agency |
| 2012 – 2019 | Senior Scientist at Japan Atomic Energy Agency |
| 2019 – | Principal Scientist at Japan Atomic Energy Agency |
| 2008 – 2010 | JSPS Postdoctoral Fellow for Research Abroad |
| Visiting Scientist at Max Planck Institute for Chemical Physics of Solids, Dresden, Germany | |
| 2015 – 2016 | Visiting Researcher at Tokyo Metropolitan University |
| 2017 – 2019 | Visiting Associate Professor at Tokyo Metropolitan University |
| 2019 – | Visiting Professor at Tokyo Metropolitan University |