People Japan Junichi Oka peoplepill id: junichi-okaJO 6 views today 6 views this weekBadminton playerJunichi OkaBiographyListsAlso ViewedListsJunichi Oka is in following listsBy field of workNotable Japanese athletesGender:MaleBy work and/or countryNotable Japanese AthletesGender:MaleNotable Japanese Badminton playersGender:MaleFrom our partnersSponsoredJunichi Oka