Showa   56 (1981)   February February         

  (한국) Passed the National Examination for Medical Practitioners

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Showa   56 (1981)   March          

(Korea) Graduated from Kyungpook National University School of Medicine

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Showa   56 (1981)   November         

Japan Passed the 72nd Korean Medical Examination

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Showa   56 (1981)   December          

Joined the Department of Ophthalmology, Osaka Medical University 

Showa   58 (1983)   December         

Completed Ophthalmology Training, Osaka Medical University

Showa   59 (1984)   January          

Osaka Municipal Children's Health Center Employment Ophthalmology

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Showa   60 (1985)   September            

Same as above Retirement

Showa   60 (1985)   October          

Osaka City Kitano Hospital Ophthalmology Employment

Showa   62 (1987)   September           

Same as above Retirement

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Showa   62 (1987)   October           

Osaka Saiseikai Ibaraki Hospital Ophthalmology Employment

Showa   63 (1988)   March           

Same as above Retirement

Showa   63 (1988)   in May            

Ryo Ophthalmology Clinic opened

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Heisei   6 (1994)     June          

  Established medical corporation Iseikai Ryo Ophthalmology Clinic Appointed as chairman and managing doctor   

Reiwa   2 (2020)     October           

Therapist Ryo Ophthalmology Clinic Chairman / Management Doctor retired

Reiwa   2 (2020)     October           

Worked at the medical corporation Iseikai Ryo Ophthalmology Clinic

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Reiwa   3 (2021)     April           

Retirement of medical corporation Iseikai Ryo Ophthalmology Clinic

Reiwa   3 (2021)     in May            

Sakaisuji Honmachi Saito Eye Clinic 오픈