5 June 2026Resigned Utahashi, Toshiaki as Secretary
5 June 2026Appointed Kaminaga, Hiroyuki as Director
5 June 2026Appointed Mitate, Daisuke as Director
5 June 2026Appointed Mitate, Daisuke as Secretary
5 June 2026Resigned Senoo, Kunihiko as Director
26 June 2025Resigned Osonoe, Ryuichi as Director
26 June 2025Appointed Senoo, Kunihiko as Director
26 June 2025Resigned Fushida, Osamu as Director
26 June 2024Appointed Utahashi, Toshiaki as Secretary
26 June 2024Appointed Osonoe, Ryuichi as Director
26 June 2024Resigned Senoo, Kunihiko as Director
9 June 2023Appointed Senoo, Kunihiko as Director
11 June 2021Appointed Fushida, Osamu as Director
11 June 2021Resigned Jingu, Tomoshige as Director
8 June 2018Resigned Tsuneto, Yasutaka as Director
10 June 2016Appointed Jingu, Tomoshige as Director
10 June 2016Resigned Ohashi, Yoshiaki as Director
10 June 2016Resigned Anzai, Yoichiro as Director
6 July 2015Resigned Senoo, Kunihiko as Director
6 July 2015Appointed Tsuneto, Yasutaka as Director
13 June 2014Resigned Osonoe, Ryuichi as Director
13 June 2014Appointed Anzai, Yoichiro as Director
14 June 2013Resigned Anzai, Yoichiro as Director
14 June 2013Appointed Osonoe, Ryuichi as Director
25 May 2012Appointed Senoo, Kunihiko as Director
25 May 2012Resigned Kumai, Takehiro as Director
10 May 2011Resigned Moriya, Michihisa as Director
18 May 2010Appointed Ohashi, Yoshiaki as Director
18 May 2010Resigned Chikamitsu, Mamoru as Director
12 June 2009Resigned Tamura, Takaaki as Director
23 April 2009Appointed Chikamitsu, Mamoru as Director
23 April 2009Resigned Okada, Akihiko as Director
25 December 2008Resigned Chikamitsu, Mamoru as Director
25 December 2008Appointed Okada, Akihiko as Director
4 December 2008Appointed Moriya, Michihisa as Director
1 August 2008Appointed Kumai, Takehiro as Director
18 July 2008Resigned Takeda, Atsushi as Director
18 July 2008Resigned Takeda, Atsushi as Secretary
20 May 2008Appointed Chikamitsu, Mamoru as Director
20 May 2008Appointed Anzai, Yoichiro as Director
20 May 2008Resigned Aiba, Mitsuhiko as Director
20 May 2008Resigned Nakagami, Yoshihiko as Director
29 June 2006Appointed Aiba, Mitsuhiko as Director
13 August 2004Appointed Takeda, Atsushi as Director
13 August 2004Resigned Tosha, Hiromi as Secretary
13 August 2004Resigned Tosha, Hiromi as Director
13 August 2004Appointed Takeda, Atsushi as Secretary
1 June 2004Appointed Nakagami, Yoshihiko as Director
1 April 2004Appointed Tosha, Hiromi as Secretary
1 April 2004Appointed Tosha, Hiromi as Director
1 April 2004Appointed Tamura, Takaaki as Director