1983.4    MD.        Nara Medical University (License# 277783)1983.4-1985.12     Resident, Nara Medical University Hospital and Saiseikai Hsp.

1986.1-1991.6       Staff in Urology, Kaisei Hospital and Nara Medical Univ. Hsp. 1991.7-1993.12     Research fellow in Urology, Nijmegen Univ. The Netherlands 1994.11   PhD        Nijmegen University, The Netherlands            1994.1-1997.2       Staff in Urology, Nara Medical University  

1997.3-2003.6       Assistant Professor in Urology, Nara Medical University 2003.7-2004.3       Associate Professor in Urology, Nara Medical University 2004.4-present     Professor and Chair in Urology, Kindai Univ. Faculty of Medicine                                                                                           2010.10-2016.9     Vice president of Kindai University Hospital 2015.4-2017.3       Executive member of Japanese Urological Association(JUA) (Chair of Scientific Committee)                                            2015.4-present      JUA Chair of Urologic Oncology Section                  2016.11-present     Executive member of Japanese Society of Endourology