He has previously played for Japanese sides Shimizu S-Pulse, Yokohama F. Marinos and Ventforet Kofu as well as Thailand's Muangthong United.

[1][2] After graduating from Maebashi Ikuei High School in 2004, Aoyama signed full professional terms with Shimizu S-Pulse the following year and went on to become a regular first team starting member, playing 121 league games in 6 seasons in Shizuoka.

He transferred to Yokohama F. Marinos ahead of the 2011 season, but struggled to establish himself in their top team, playing just 10 and 7 league games respectively in his 2 years at the Nissan Stadium.

2013 saw him move north to Yamanashi to start a 2-season spell with Ventforet Kofu where he scored 4 goals in 59 league appearances which saw them finish 15th in 2013 and 13th the following year.

This biographical article related to a Japanese association football defender born in the 1980s is a stub.