21 September 2026Appointed Ezaki, Tomotaka as Director
15 January 2026Resigned Murayama, Koichi as Secretary
28 August 2021Resigned Ito, Yoshikazu as Director
10 June 2021Appointed Shinohara, Kazuhiro as Director
10 June 2021Resigned Yamashita, Itsuo as Director
1 April 2020Appointed Ito, Yoshikazu as Director
1 April 2019Appointed Murayama, Koichi as Director
1 April 2019Appointed Murayama, Koichi as Secretary
31 March 2019Resigned Konishi, Toshio as Secretary
31 March 2019Resigned Konishi, Toshio as Director
15 February 2019Resigned Warnes, Andrew David as Director
1 April 2016Appointed Warnes, Andrew David as Director
1 April 2016Appointed Yamashita, Itsuo as Director
31 March 2016Resigned Sugita, Masahiro as Director
1 April 2015Appointed Sugita, Masahiro as Director
1 April 2015Appointed Konishi, Toshio as Secretary
31 March 2015Resigned Nakamura, Masaaki as Secretary
31 March 2015Resigned Nakamura, Masaaki as Director
1 April 2013Appointed Nakamura, Masaaki as Director
1 April 2013Appointed Nakamura, Masaaki as Secretary
31 March 2013Resigned Hasegawa, Norihisa as Director
31 March 2013Resigned Konishi, Toshio as Secretary
1 April 2008Appointed Hasegawa, Norihisa as Director
1 April 2008Appointed Konishi, Toshio as Director
1 April 2008Appointed Konishi, Toshio as Secretary
1 April 2008Resigned Hisatomi, Sadanobu as Secretary
1 April 2008Resigned Murata, Minoru as Director
1 April 2008Resigned Hisatomi, Sadanobu as Director
1 August 2004Appointed Hisatomi, Sadanobu as Secretary
1 August 2004Resigned Aoki, Satoshi as Secretary
1 April 2004Resigned Aoki, Satoshi as Director
1 April 2004Appointed Hisatomi, Sadanobu as Director
1 April 2003Resigned Kamiya, Hiroyuki as Director
1 April 2003Appointed Murata, Minoru as Director
1 June 2001Appointed Aoki, Satoshi as Secretary
1 April 2001Resigned Kaikawa, Tatsuo as Director
1 April 2001Appointed Kamiya, Hiroyuki as Director
28 January 2000Appointed Aoki, Satoshi as Director
28 January 2000Resigned Kamiya, Hiroyuki as Director
14 October 1997Appointed Kaikawa, Tatsuo as Director
14 October 1997Appointed Kamiya, Hiroyuki as Director