| 2024-2027: | Grant-in-Aid for Scientific Research(C), KAKENHI |
| 2017-2019: | Grant-in-Aid for Scientific Research(C), KAKENHI |
| 2013-2015: | Grant-in-Aid for Scientific Research(C), KAKENHI |
| 2009-2012: | Grant-in-Aid for Young Scientists (B), KAKENHI |
| 2005-2007: | Grant-in-Aid for Young Scientists (B), KAKENHI(2007 declined due to my stay abroad) |
| 2003: | NOASTEC with Dr.Y.Rikuna(Waseda Univ.) |
| 2002: | Sapporo Medical University Academic Foundation: we invited Professor I.M.Duursma(University of Illinois at Urbana-Champaign) |
| 2002-2004: | Grant-in-Aid for Young Scientists (B), KAKENHI |
| 2001: | NOASTEC |
| 2020.4: | Chair of Faculty of Mathematics and Physics, Kanazawa University(-2022.3) |
| 2014.10: | Professor, Kanazawa University |
| 2004.3: | Associate Professor, Kochi University |
| 2001.4: | Assistant Professor, Sapporo Medical University |
| 1998.4: | JSPS Research Fellow (PD) |
| 1998.3: | Doctor of Mathematics, Kyushu University |
| 1995.3: | Master of Mathematics, Kyushu University |
| 1993.3: | Graduated from Kyushu University |
| 1969.8: | Born in Nagasaki Prefecture, Japan |