|Period||OITA UNIVERSITY||OITA MEDICAL UNIVERSITY|
|May,1949||Oita University (the Faculty of Liberal Arts, the Faculty of Economics) was established.|
|March,1956||Postgraduate Scheme of Specialized Study in the Faculty of Economics was established (Abolished in May, 1977).|
|April,1965||Postgraduate Scheme of Specialized Study in the Faculty of Liberal Arts was established (Renamed in April, 1966, Abolished in March, 1992).|
|April,1966||The Faculty of Liberal Arts was renamed into the Faculty of Education.|
|April,1969||Moving and unification of the university facilities at Dannoharu Campus were completed.|
|May,1972||The Faculty of Engineering was established.|
|April,1974||Health Science Center was established.|
|October,1976||Oita Medical University was established.|
|May,1977||Graduate School of Economics (Master's Program) was established.|
|April,1979||Graduate School of Engineering (Master's Program) was established
(Reorganized into Master's Program as Pre-Doctoral Courses in April, 1995).
Research and Guidance Center for Classroom Teaching was established in the Faculty of Education.
|April,1981||University Hospital was established.|
|April,1984||Graduate School of Medicine (Doctor Program) was established.|
|April,1987||Research Laboratory Center was established.|
|June,1989||University Hospital Emergency Center was established.|
|June,1990||Information Processing Center was established.||Laboratory Animal Research Center was established.|
|April,1992||The Graduate School of Education (Master's Program) was established.||University Hospital Intensive Care Unit was established.|
|April,1993||Research and Development Center was established.||University Hospital Blood Supply Center was established.|
|April,1994||School of Nursing was established.|
|April,1995||The Graduate School of Engineering (Doctor Program) was established.|
|April,1996||Health Care Center was established.|
|October,1996||Research Center for Lifelong Learning was established.|
|April,1998||Human Welfare Research Center was established.||Master's Program for School of Nursing was established.
University Hospital Pathology Center was established.
|April,1999||The Faculty of Education was reorganized into the Faculty of Education and Welfare Science.
Satellite Venture Business Laboratory was established.
|University Hospital Informatics Center was established.|
|April,2000||Center for Instrumental Analysis was established.||University Hospital General Medicine Center was established.|
|May,2000||International Student Center was established (Ministerially ordained in April, 2003) .|
|Feburary,2001||University Education Development Support Center was established.|
|April,2001||Center for Research in Education and Human Development was established
(Research and Guidance Center for Classroom Teaching was reorganized.)
|University Hospital Clinical Pharmacology Center (including Division of Clinical Trials) was established.|
|April,2002||Graduate School of Social Service Administration (Master's Program) was established.
Information Processing Center was established.
Center for Community Research was established. (Abolished in March, 2007).
|The Medical Departments were reorganized into eight major departments.
University Hospital Rehabilitation Center was established.
|April,2003||Master's Program for School of Medical Science established.
Institute of Scientific Research was established.
University Hospital Regional Medical Liaison Center was established.
|October,2003||New "OITA UNIVERSITY" was established.|
|April,2004||National University Corporation OITA UNIVERSITY was established.|
|April,2005||Research Center for Applied Medical Engineering was established.
Center for Research and Development of Higher Education was established. (University Education Development Support Center was reorganized)
The University Hospital Medical Trainning Center was established.
|April,2006||Innovation Organization was established.
Department of Pharmaceutical Medicine was established. (Courses on Contribution)
|April,2007||The Graduate School of Economics (Doctor Program) was established.
Department of Medical Oncology was established. (Courses on Contribution) (Abolished in March, 2010.)
Center for International Education and Research was established. (International Student Center was reorganized.)
|October,2007||University Hospital Cancer Center was established.|
|April,2008||All Oita University faculties educational organization was established.
The Center for Academic Information & Library Services was established. (Unification of University Library and Information Processing Center.)
University Hospital General Clinical Research Center was established.
Department of Endoprosthetic Surgery was established. (Courses on Contribution.)
Center for Research and Development of Higher Education was reorganized. (Unification of Research Center for Lifelong Learning.)
Admission Research Center was established.
|May,2008||University Hospital Emergency and Critical Care Center was established.|
|October,2009||Institute for Research Promotion Project was established. (Unification of lnstitute of Scientific Research and Research Center for Applied Medical Engineering.)|
|Feburary,2010||Center for Community Medicine was established.|
|December,2010||Advanced Molecular Imaging Center was established.|
|April,2011||Institute for Innovation Collaboration Promotion was established.<>(Innovation Organization was reorganized.)
Department of Pharmaceutical Medicine and Communication renamed. (Courses on Contribution) (Abolished in March,2016.)
|November,2011||Department of Medical Engineering was established. (Courses on Contribution) (Abolished in March,2016.)|
|April,2013||Laboratory on Development of Innovative Technology for Electromagnetic and Dynamic Applications was established. (Courses of Joint Collaborative Research.) (Abolished in March,2016.)
Gender equality Promotion office was established.
|October,2013||University Hospital Designated as Advanced Trauma, Emergency and Critical Care Center.|
|April,2015||Clinical Engineering Research Center was established.|
|January,2016||Institute for Center of Community plus was established.|
|April,2016||The Faculty of Welfare and Health Science was established.
The Faculty of Education and Welfare Science was renamed into the Faculty of Education.
Graduate School of Advanced Studies on Professional Development in Education(Professional Master’s Program) was established. (Graduate School of Education was reorganized.)
Graduate School of Engineering Master’s and Doctoral Program was reorganized.
|April,2017||The Faculty of Science and Technology was established. (The Faculty of engineering was reorganized.)
The Department of Enterprise and Social Innovation was established in the Faculty of Economics.
The Collaborative Research Laboratory of Liquid Crystal Smart Technology was established. (Courses of Joint Collaborative Research.)
The Organization for Diversity Promotion was established.
|January, 2018||The Center for Education and Research of Disaster Risk Reduction and Redesign was established.|
|April, 2018||The Institute for Global Education and Advanced Research was established. (Center for International Education and Research was reorganized.)
The Admission Center was established. (Admission Research Planning Center was reorganized.)