People Japan Michio Koyama peoplepill id: michio-koyamaMK 3 views today 3 views this weekMichio KoyamaBiographyListsAlso ViewedListsMichio Koyama is in following listsBy work and/or countryNotable Japanese peopleGender:Male, Born in:Years 1900 to 1929From our partnersSponsoredMichio Koyama