Tohoku University, School of Medicine (M.D. 1983)
Mito National Hospital Surgery Residency (1983-87)
Tohoku University, Graduate School of Medicine (Ph.D. 1992)
Staff Surgeon, Aomori General Hospital (1992-94)
MCP Hahnemann University Research Fellowship (1994-96)
Associate Professor, Tohoku University (1997-99)
Professor and Chairman, Fukushima Medical U (2000-present)
Chair, Japanese Society for Cardiovascular Surgery (JSCVS) (2018-present)
Off-pump coronary bypass surgery
Mitral valve plasty
Aortic surgery
Links
[1] https://www.ctsnet.org/user/login?destination=user/414912
[2] https://www.ctsnet.org/print/home/hiyokoyama
[3] https://www.ctsnet.org/society/aats
[4] https://www.ctsnet.org/society/ascvts
[5] https://www.ctsnet.org/society/ctsnet
[6] https://www.ctsnet.org/society/eacts
[7] https://www.ctsnet.org/society/ismics
[8] https://www.ctsnet.org/society/jats