 After more than four years' absence from the ring in Japan, Takayama's boxer's license was issued again by the JBC on July 12, 2013.He registered with Nakazato Boxing Gym to defend his title against Vergilio Silvano via a unanimous decision at the Bodymaker Colosseum in Osaka on December 3, 2013.While Takayama has gone through five gyms, his Japanese trainer for his entire career is Hiroaki Nakade who has so far served as the second/trainer in the world title bouts of all the four major sanctioning bodies i.e.