1 July 2026Appointed Takimoto, Keiji as Director
1 April 2026Appointed Otsuka, Yo as Director
1 April 2026Appointed Takauchi, Daisuke as Director
31 March 2026Resigned Murase, Hirokazu as Director
31 March 2026Resigned Hirabayashi, Motoyuki as Director
1 April 2025Appointed Matsuo, Tadayuki as Director
1 April 2025Appointed Hirabayashi, Motoyuki as Director
31 March 2025Resigned Yoshida, Tomohiro as Director
31 March 2025Resigned Inaba, Yutaka as Director
1 April 2024Appointed Murase, Hirokazu as Director
1 April 2024Appointed Inaba, Yutaka as Director
1 April 2024Appointed Morifuji, Koji as Director
31 March 2024Resigned Ikuta, Tetsushi as Director
31 March 2024Resigned Hayashi, Naohisa as Director
1 April 2022Appointed Ikuta, Tetsushi as Director
1 April 2022Appointed Yoshida, Tomohiro as Director
31 March 2022Resigned Katsurayama, Haruhiko as Director
31 March 2022Resigned Natsuaki, Eiji as Director
31 March 2022Resigned Tadokoro, Katsuaki as Director
1 April 2021Appointed Hayashi, Naohisa as Director
31 March 2021Resigned Kishida, Naoshi as Director
1 April 2020Appointed Katsurayama, Haruhiko as Director
1 April 2020Appointed Tadokoro, Katsuaki as Director
31 March 2020Resigned Kobayashi, Ryosuke as Director
31 March 2020Resigned Otsuka, Yo as Director
1 April 2019Appointed Natsuaki, Eiji as Director
1 April 2018Appointed Kishida, Naoshi as Director
31 March 2018Resigned Takemori, Keiji as Director
1 April 2017Appointed Kobayashi, Ryosuke as Director
31 March 2017Resigned Hattori, Akihito as Director
1 June 2016Appointed Otsuka, Yo as Director
31 May 2016Resigned Nomura, Kazushige as Director
1 April 2016Appointed Takemori, Keiji as Director
1 April 2016Appointed Nomura, Kazushige as Director
31 March 2016Resigned Ito, Munehiro as Director
31 March 2016Resigned Kishimoto, Masaaki as Director
1 April 2015Appointed Hattori, Akihito as Director
31 March 2015Resigned Kamoi, Toru as Director
31 March 2015Resigned Okamoto, Sunao as Director
1 April 2014Resigned Kubo, Takayoshi as Director
1 April 2014Appointed Kishimoto, Masaaki as Director
1 January 2013Appointed Kamoi, Toru as Director
1 January 2013Resigned Shirotsu, Kazuaki as Director
1 January 2013Appointed Kubo, Takayoshi as Director
2 April 2012Appointed Ito, Munehiro as Director
2 April 2012Appointed Shirotsu, Kazuaki as Director
2 April 2012Resigned Tsuda, Megumu as Director
1 July 2011Appointed Okamoto, Sunao as Director
1 July 2011Resigned Sakiyama, Kiyoshi as Director
1 April 2011Resigned Mizumoto, Keisuke as Director
28 April 2010Appointed Mizumoto, Keisuke as Director
28 April 2010Appointed Sakiyama, Kiyoshi as Director
28 April 2010Appointed Tsuda, Megumu as Director