- 2018/04 - 現在 Uekusa Gakuen University
- 2008 - 2018/03 - 岩手大学教育学部特別支援教育 教授
- 2013/04 - 2016/03 Iwate University Faculty of Education
- 2007 - 2008 Iwate University Special Support Education, Faculty of Education
- 2007 - 2008 Associate Professor,Special Support Education ,Faculty of Education,Iwate University
- 2008 - - Professor,Special Support Education ,Faculty of Education,Iwate University
- 2003 - 2007 Iwate University Faculty of Education
- 2003 - 2007 Associate Professor,Education for the Handicapped,Faculty of Education,Iwate University
- 2001 - 2003 Iwate University Faculty of Education
- 2001 - 2003 Lecturer,Education for the Handicapped,Faculty of Education,Iwate University
- 1999 - 2001 Uekusa Gakuen Junior College
- 1999 - 2001 Uekusa Gakuen Junior College, Lecturer
- 1988 - 1999 Chiba University Faculty of Education
- 1988 - 1999 School of Mentally Retarded Children Attached to Chiba University, Teacher