1 May 2026Appointed Hoshiba, Akihide as Secretary
1 May 2026Appointed Hoshiba, Akihide as Director
1 May 2026Appointed Inoue, Hideki as Director
30 April 2026Resigned Takeuchi, Toshiaki as Secretary
31 March 2026Resigned Tsujitani, Kazumi as Director
1 May 2025Appointed Soga, Kunihisa as Director
30 April 2025Resigned Soma, Kenichiro as Director
1 April 2024Appointed Soma, Kenichiro as Director
1 April 2024Appointed Takeuchi, Toshiaki as Secretary
31 March 2024Resigned Itami, Daisaku as Secretary
31 March 2024Resigned Yamaguchi, Kazuaki as Director
31 March 2024Resigned Nishimura, Manabu as Director
18 October 2023Appointed Itami, Daisaku as Secretary
17 October 2023Resigned Tonomura, Kinya as Secretary
17 October 2023Resigned Tonomura, Kinya as Director
1 October 2023Appointed Tsujitani, Kazumi as Director
30 September 2023Resigned Hattori, Naoki as Director
1 April 2023Appointed Yamaguchi, Kazuaki as Director
31 March 2023Resigned Watanabe, Satoshi as Director
1 May 2021Appointed Nishimura, Manabu as Director
1 May 2021Appointed Watanabe, Satoshi as Director
30 April 2021Resigned Yamamoto, Naohito as Director
1 August 2020Appointed Tonomura, Kinya as Director
1 August 2020Appointed Tonomura, Kinya as Secretary
31 July 2020Resigned Hattori, Naoki as Secretary
1 June 2020Appointed Yamamoto, Naohito as Director
31 May 2020Resigned Ida, Shinichiro as Director
20 December 2019Resigned Ochiai, Yoshiyuki as Director
1 May 2019Appointed Hattori, Naoki as Secretary
1 May 2019Appointed Ida, Shinichiro as Director
30 April 2019Resigned Imazawa, Yasuhiro as Secretary
30 April 2019Resigned Imazawa, Yasuhiro as Director
31 March 2019Resigned Nitta, Koichi as Director
1 June 2018Appointed Nitta, Koichi as Director
31 May 2018Resigned Itou, Masahide as Director
1 May 2018Appointed Ochiai, Yoshiyuki as Director
30 April 2018Resigned Soma, Kenichiro as Director
1 May 2017Appointed Soma, Kenichiro as Director
30 April 2017Resigned Amano, Keita as Director
18 November 2016Appointed Hattori, Naoki as Director
18 November 2016Resigned Abe, Minoru as Director
1 May 2016Appointed Imazawa, Yasuhiro as Director
1 May 2016Resigned Hirano, Ikuya as Secretary
1 May 2016Appointed Imazawa, Yasuhiro as Secretary
1 April 2016Appointed Abe, Minoru as Director
1 April 2016Appointed Itou, Masahide as Director
1 April 2016Resigned Obayashi, Masakazu as Director
1 May 2015Resigned Hachimura, Tsuyoshi as Director
1 May 2015Appointed Obayashi, Masakazu as Director
1 May 2014Appointed Amano, Keita as Director
1 May 2014Resigned Itano, Yuta as Director
16 April 2014Appointed Hirano, Ikuya as Secretary
16 April 2014Resigned Akiyama, Naoto as Secretary
17 May 2012Resigned Nakajima, Satoshi as Director
17 May 2012Appointed Itano, Yuta as Director
8 April 2011Appointed Hachimura, Tsuyoshi as Director
7 April 2011Resigned Yokomizu, Shinji as Director
19 May 2010Resigned Izumi, Tatsuya as Director
19 May 2010Appointed Nakajima, Satoshi as Director
22 January 2010Appointed Akiyama, Naoto as Secretary
1 April 2009Appointed Yokomizu, Shinji as Director
31 March 2009Resigned Seki, Tadayuki as Director
16 September 2008Appointed Seki, Tadayuki as Director
16 September 2008Appointed Izumi, Tatsuya as Director