Rubuta ci gaba don wannan sakin layi - Hoshino ya halarci gasar Formula One Grand Prix guda biyu, wanda ya fara a ranar 24 ga Oktoba 1976 a Gasar Grand Prix ta Japan, yana mai da shi - tare da 'yan uwansa Noritake Takahara da Masahiro Hasemi - direban Japan na farko da ya fara gasar Formula One Grand Prix. Yana tuka Tyrrell-Ford don Gasar Heroes, ya yi tsere har zuwa na huɗu, amma ya yi ritaya bayan ya gama amfani da taya. Ya dawo a 1977 kuma ya sake shiga cikin Grand Prix na Japan
Gudanarwa don Gasar Heroes. Ya gama a wuri na goma sha ɗaya yana tuka Kojima-Ford mai shekara ɗaya. Bai samu maki a gasar ba a cikin aikinsa na Formula 1.