Ekuan akaberekerwa muTokyo musi waGunyana 11, 1929, akapedza hudiki hwake muHawaii. Pakupera kweHondo Yenyika II, akatamira kuHiroshima, kwaakaona kubhombwa kweatomu kweguta, kwaakarasikirwa nasisi vake nababa vake, mupristi wechiBuddha. Akati kuparadzwa kwakamukurudzira kuti ave "musiki wezvinhu". Gare gare akapinda Tokyo National University of Fine Arts and Music (yava kunzi Tokyo University of the Arts). Muna 1957, akatanga GK Industrial Design Laboratory (GKインダストリアルデザイン研究所). "GK" akamirira "Group of Koike", sezvo Koike raive zita remumwe purofesa anobatsira kuyunivhesiti.
Hawaii