Succesive Directors

Suzuki Shigehiko
1998. 10 - 2000. 6

Ido Seiichi
2000. 7 - 2003. 6

Tateishi kazuyoshi
2003. 7 - 2005. 6

Okada Tadanobu
2005. 7 - 2007. 6

Shinohara Hiromichi
2007. 7 - 2009. 6, 2011. 7 - 2011. 9

Miyake Kou
2009. 7 - 2011. 6

Kobayashi Kiyosumi
2011. 10 - 2014. 6

Watanabe Nobuyuki
2014. 7 - 2016. 6

Ito Tadashi
2016. 7 - 2018. 6

Itoh Arata
2018. 7 - 2020. 6

Tachimoto Shinya
2020. 7 - 2023. 6