1 April 2026Appointed Inoue, Yuichiro as Director
31 March 2026Resigned Hidaka, Yasuhiro as Director
9 August 2024Appointed Ono, Masahiko as Director
9 August 2024Resigned Nagashima, Yoshifumi as Director
1 April 2024Appointed Kachi, Ryosuke as Director
31 March 2024Resigned Omori, Yoshihiro as Director
31 March 2024Resigned Yamaguchi, Takahiro as Secretary
1 April 2023Resigned Ishikawa, Masashi as Director
1 April 2023Appointed Omori, Yoshihiro as Director
1 April 2023Resigned Omori, Yoshihiro as Secretary
1 April 2023Appointed Yamaguchi, Takahiro as Secretary
1 April 2021Appointed Hidaka, Yasuhiro as Director
1 April 2021Resigned Oe, Takao as Director
1 April 2019Resigned Osawa, Yu as Secretary
1 April 2019Appointed Omori, Yoshihiro as Secretary
2 August 2018Resigned Arinaga, Koji as Director
2 August 2018Appointed Nagashima, Yoshifumi as Director
1 April 2018Resigned Miura, Tsukasa as Director
1 April 2018Appointed Ishikawa, Masashi as Director
1 August 2017Appointed Arinaga, Koji as Director
1 August 2017Resigned Mima, Shinichi as Director
1 April 2017Appointed Oe, Takao as Director
1 April 2017Resigned Karasawa, Takashi as Director
1 April 2016Appointed Osawa, Yu as Secretary
1 April 2016Resigned Kachi, Ryosuke as Secretary
1 April 2015Appointed Kachi, Ryosuke as Secretary
1 April 2015Resigned Matsuura, Tatsuya as Secretary
8 April 2014Appointed Mima, Shinichi as Director
8 April 2014Resigned Hiroya, Genyu as Director
1 April 2014Resigned Hidaka, Yashuiro as Director
1 April 2014Appointed Miura, Tsukasa as Director
1 April 2013Appointed Karasawa, Takashi as Director
1 April 2013Resigned Sato, Keiji as Director
1 August 2011Resigned Shozui, Tamotsu as Director
1 August 2011Appointed Hiroya, Genyu as Director
1 April 2011Resigned Inoue, Yuichiro as Secretary
1 April 2011Appointed Matsuura, Tatsuya as Secretary
1 April 2010Appointed Inoue, Yuichiro as Secretary
25 March 2010Resigned Hosono, Yoshihide as Secretary
1 April 2009Appointed Hidaka, Yashuiro as Director
1 April 2009Resigned Ozeki, Kazuhiko as Director
28 July 2008Appointed Shozui, Tamotsu as Director
28 July 2008Resigned Kurimoto, Kakuro as Director
1 March 2007Appointed Sato, Keiji as Director
1 March 2007Resigned Matsubara, Tsutomu as Director
1 March 2007Resigned Yoshida, Hiroyuki as Secretary
1 March 2007Appointed Hosono, Yoshihide as Secretary
11 August 2005Appointed Kurimoto, Kakuro as Director
11 August 2005Resigned Yokoi, Yoshinori as Director
1 April 2004Appointed Yoshida, Hiroyuki as Secretary
1 April 2004Appointed Ozeki, Kazuhiko as Director
1 April 2004Resigned Ichikawa, Hiroshi as Director
1 April 2004Resigned Matsubara, Tsutomu as Secretary
18 September 2002Appointed Yokoi, Yoshinori as Director
1 April 2002Appointed Matsubara, Tsutomu as Director
1 April 2002Resigned Shimazaki, Kazuhiko as Director
1 April 2002Appointed Matsubara, Tsutomu as Secretary
1 April 2002Resigned Shimazaki, Kazuhiko as Secretary
24 March 2001Appointed Shimazaki, Kazuhiko as Director
24 March 2001Resigned Okamoto, Hiroaki as Director
22 September 2000Appointed Ichikawa, Hiroshi as Director
22 September 2000Resigned Nebashi, Hideyuki as Director
26 April 2000Resigned Shiroya, Yoshiharu as Director
1 April 1999Resigned Sato, Wataru as Secretary
1 April 1999Appointed Shimazaki, Kazuhiko as Secretary
1 April 1998Resigned Harada, Toshiro as Director
1 April 1998Resigned Okamoto, Hiroaki as Secretary
1 April 1998Appointed Sato, Wataru as Secretary
1 April 1998Appointed Okamoto, Hiroaki as Director
1 April 1997Appointed Nebashi, Hideyuki as Director
1 April 1997Resigned Igarashi, Yasuo as Director
20 September 1996Resigned Sakai, Kiyoshi as Director
20 September 1996Appointed Shiroya, Yoshiharu as Director
29 March 1996Appointed Okamoto, Hiroaki as Secretary
29 March 1996Resigned Azuma, Yoichi as Secretary
2 October 1995Appointed Azuma, Yoichi as Secretary
2 October 1995Resigned Yagura, Yoshiaki as Secretary
28 March 1995Appointed Harada, Toshiro as Director
28 March 1995Resigned Harada, Toshiro as Secretary
28 March 1995Resigned Suginaka, Hirobumi as Director
28 March 1995Appointed Yagura, Yoshiaki as Secretary
31 March 1994Resigned Mima, Shinichi as Secretary
31 March 1994Appointed Harada, Toshiro as Secretary