People Japan Tadahiro Kosaka peoplepill id: tadahiro-kosakaTK 14 views today 14 views this weekAthletics competitorTadahiro KosakaBiographyListsAlso ViewedListsTadahiro Kosaka is in following listsBy field of workNotable Japanese athletesGender:Male, Born in:Years 1930 to 1969By work and/or countryNotable Japanese AthletesGender:Male, Born in:Years 1930 to 1969From our partnersSponsoredTadahiro Kosaka