People Japan Kōichi Hiro peoplepill id: koichi-hiroKH 5 views today 24 views this weekJapanese singer and composerKōichi HiroBiographyListsAlso ViewedListsKōichi Hiro is in following listsBy field of workNotable Japanese musiciansGender:Male, Born in:Years 1930 to 1969By work and/or countryNotable Japanese SingersGender:Male, Born in:Years 1930 to 1969Notable Japanese MusiciansGender:Male, Born in:Years 1930 to 1969Notable Japanese ComposersGender:Male, Born in:Years 1930 to 1969By instrumentVoiceFrom our partnersSponsoredKōichi Hiro