22 July 2026Appointed Kimura, Motohiko as Director
22 July 2026Appointed Kasahara, Yosuke as Director
22 July 2026Resigned Kitamura, Takeo as Director
22 July 2026Resigned Suzuki, Akihiro as Director
7 July 2025Appointed Kuroki, Shigefumi as Director
12 September 2024Resigned Kunimatsu, Shinya as Director
12 September 2024Appointed Kitamura, Takeo as Director
28 June 2024Appointed Fukumura, Kenichi as Director
28 June 2024Resigned Koide, Hiroaki as Director
28 June 2024Resigned Sato, Akira as Director
21 July 2023Resigned Hasei, Hiroyuki as Director
21 July 2023Appointed Suzuki, Akihiro as Director
23 June 2023Resigned Kitakata, Hiroyuki as Director
22 July 2022Resigned Wada, Masahiko as Director
22 July 2022Appointed Kunimatsu, Shinya as Director
21 July 2021Resigned Matsuo, Yasufumi as Director
21 July 2021Appointed Wada, Masahiko as Director
25 June 2021Resigned Sakamaki, Hiroshi as Director
25 June 2021Appointed Sato, Akira as Director
29 July 2020Resigned Yoshioka, Shinji as Director
29 July 2020Appointed Hasei, Hiroyuki as Director
12 November 2019Appointed Yoshioka, Shinji as Director
12 November 2019Appointed Matsuo, Yasufumi as Director
12 November 2019Resigned Niizaki, Yasufumi as Director
27 June 2019Resigned Ozaki, Mitsutaka as Director
27 June 2019Appointed Kitakata, Hiroyuki as Director
31 August 2018Appointed Niizaki, Yasufumi as Director
31 August 2018Resigned Okita, Yasuaki as Director
24 January 2018Appointed Koide, Hiroaki as Director
29 June 2017Appointed Sakamaki, Hiroshi as Director
29 June 2017Resigned Kawashita, Haruhisa as Director
1 August 2016Resigned Mizumura, Atsushi as Director
29 June 2016Resigned Kato, Hiroyuki as Director
29 June 2016Appointed Ozaki, Mitsutaka as Director
1 June 2016Resigned Maki, Hirofumi as Director
1 June 2016Appointed Okita, Yasuaki as Director
1 September 2015Appointed Mizumura, Atsushi as Director
1 September 2015Resigned Takazawa, Toshiyasu as Director
1 September 2015Resigned Kitamura, Junichiro as Director
1 September 2015Appointed Maki, Hirofumi as Director
23 October 2013Appointed Takazawa, Toshiyasu as Director
23 October 2013Appointed Kitamura, Junichiro as Director
23 October 2013Resigned Yasuda, Takayoshi as Director
28 May 2013Appointed Kato, Hiroyuki as Director
10 August 2012Appointed Yasuda, Takayoshi as Director
10 August 2012Resigned Higuchi, Hideaki as Director
17 October 2011Resigned Yamamoto, Takayuki as Director
17 October 2011Appointed Kawashita, Haruhisa as Director
1 September 2010Resigned Watanabe, Hajime as Director
1 September 2010Appointed Higuchi, Hideaki as Director
10 November 2009Appointed Watanabe, Hajime as Director
10 November 2009Appointed Yamamoto, Takayuki as Director