27 January 2026Resigned Noguchi, Naoki as Director
2 January 2026Appointed Shibuya, Yutaro as Director
9 June 2025Appointed Jones, Christopher Kentaro as Secretary
9 June 2025Resigned Miyachi, Tatsuhiro as Secretary
9 June 2025Resigned Miyachi, Tatsuhiro as Director
17 March 2023Resigned Yasumatsu, Keita as Director
14 February 2023Appointed Noguchi, Naoki as Director
30 December 2021Resigned Yasumatsu, Keita as Secretary
30 December 2021Appointed Miyachi, Tatsuhiro as Secretary
30 December 2021Appointed Miyachi, Tatsuhiro as Director
8 July 2020Resigned Muto, Kazuyoshi as Director
8 July 2020Appointed Sakurai, Koji as Director
1 October 2019Appointed Yasumatsu, Keita as Secretary
1 October 2019Resigned Suzuki, Hiroki as Secretary
1 October 2019Appointed Yasumatsu, Keita as Director
1 July 2017Resigned Miyoshi, Hiroyuki as Director
1 December 2016Resigned Kanno, Daijiro as Director
1 November 2016Resigned Akabane, Tsutomu as Director
1 November 2016Appointed Miyoshi, Hiroyuki as Director
1 November 2016Appointed Suzuki, Hiroki as Secretary
1 November 2016Resigned Kanno, Daijiro as Secretary
28 April 2016Appointed Muto, Kazuyoshi as Director
1 July 2015Appointed Akabane, Tsutomu as Director
1 July 2015Appointed Kanno, Daijiro as Secretary
1 July 2015Resigned Ninomiya, Akira as Director
1 July 2015Resigned Ninomiya, Akira as Secretary
1 January 2012Appointed Kanno, Daijiro as Director
1 January 2012Resigned Shogenji, Taketoshi as Director
1 July 2010Resigned Fukushima, Akihiko as Secretary
1 July 2010Appointed Ninomiya, Akira as Secretary
2 October 2009Resigned Kurata, Satoshi as Director
2 October 2009Appointed Fukushima, Akihiko as Secretary
2 October 2009Appointed Ninomiya, Akira as Director
2 October 2009Appointed Shogenji, Taketoshi as Director
2 October 2009Resigned Kurata, Satoshi as Secretary
13 January 2005Appointed Kurata, Satoshi as Director
13 January 2005Appointed Kurata, Satoshi as Secretary
26 April 2000Resigned Furuya, Kunihiko as Secretary