29 January 2021Resigned Motoyama, Takeshi as Director
23 October 2020Resigned Terada, Tadashi as Director
15 May 2019Appointed Terada, Tadashi as Director
8 May 2018Appointed Motoyama, Takeshi as Director
8 May 2018Resigned Urata, Hiroshi as Director
1 April 2018Resigned Miyazawa, Hiroyuki as Director
1 April 2015Appointed Miyazawa, Hiroyuki as Director
1 April 2015Resigned Saito, Tetsuaki as Director
1 April 2015Resigned Iwamatsu, Seigo as Director
1 April 2014Appointed Urata, Hiroshi as Director
1 April 2013Appointed Hammill, Michael as Secretary
1 April 2013Resigned Arimune, Masakazu as Director
1 April 2013Resigned Ishijima, Tatsuro as Director
1 April 2013Appointed Iwamatsu, Seigo as Director
1 April 2013Resigned Takeda, Kazunori as Director
1 April 2013Appointed Saito, Tetsuaki as Director
1 October 2012Appointed Ishijima, Tatsuro as Director
30 September 2012Resigned Hayashi, Kazuhiko as Director
1 April 2011Appointed Takeda, Kazunori as Director
1 March 2010Appointed Hayashi, Kazuhiko as Director
1 April 2009Appointed Arimune, Masakazu as Director
2 April 2007Resigned Kamiya, Tetsuro as Director
31 March 2004Resigned Yamada, Akinori as Director
1 April 2003Appointed Kamiya, Tetsuro as Director
1 April 2002Appointed Yamada, Akinori as Director
25 May 2001Resigned Yamaguchi, Yoshinobu as Director
1 April 2000Appointed Yamaguchi, Yoshinobu as Director
1 January 2000Resigned Honda, Tadao as Director
1 April 1998Appointed Honda, Tadao as Director
16 April 1997Resigned Namikawa, Kazuyuki as Director
15 April 1996Appointed Namikawa, Kazuyuki as Director
1 April 1993Resigned Saito, Kyoji as Director
14 November 1991Appointed Saito, Kyoji as Director