After retiring from martial arts, he pursued a career in politics, as well as opening his own gym.
[6] Akimoto made his debut in 1995 during Shooto - Vale Tudo Access 4 against Kazuyoshi Kudo, whom he beat by rear naked choke.
[8] Bouncing back, he fought Yoshinobu Ota and won a unanimous decision and an armbar win against Greg Piper.
Akimoto failed to win a single fight during this five year period, with a record of 0-8-2.
He would retire on a win, beating Kenji Hosoya with a guillotine choke during Shooto: Gig Tokyo 4.