Career
He is the youngest of three Aoki brothers who have competed in motorcycle Grand Prix races. Aoki began his Grand Prix career in 1993 with Honda. After two years in the 250cc class, Aoki made the move to the 500cc class in 1999.
In 2000, he competed in the Superbike World Championship on a Ducati before returning to Grand Prix racing in 2001.
Racing a V-twin, two-stroke Honda NSR500V, he finished the season as the top privateer. Aoki retired after the 2002 season.
Afterwards, he participated in the Japanese Auto Race series. (key) (Races in bold indicate pole position, races in italics indicate fastest lap).