1 October 2026Appointed Arika, Taketoshi as Director
1 October 2026Resigned Eida, Takashi as Director
1 April 2026Appointed Shikano, Koji as Director
1 April 2026Resigned Sezaki, Tomofumi as Director
1 April 2026Appointed Eida, Takashi as Director
1 October 2025Appointed Sezaki, Tomofumi as Director
31 March 2024Resigned Fukuhara, Seigo as Director
30 September 2023Resigned Takemoto, Wataru as Director
1 April 2023Appointed Tsutsui, Ken as Director
31 March 2023Resigned Oishi, Satoshi as Director
1 April 2022Resigned Komiya, Hironari as Director
1 April 2022Appointed Oishi, Satoshi as Director
1 April 2021Appointed Komiya, Hironari as Director
1 April 2021Appointed Takemoto, Wataru as Director
1 April 2021Appointed Fukuhara, Seigo as Director
1 April 2021Resigned Aota, Hiroyuki as Director
1 October 2018Appointed Aota, Hiroyuki as Director
12 April 2018Resigned Mochizuki, Ikuo as Director
1 April 2018Resigned Ito, Keiji as Director
1 October 2017Appointed Mochizuki, Ikuo as Director
30 September 2017Resigned Shimizu, Hideki as Director
1 April 2016Appointed Shimizu, Hideki as Director
1 April 2016Appointed Ito, Keiji as Director
31 March 2016Resigned Suzukawa, Shinichi as Director
1 April 2014Resigned Uchimura, Kenichiro as Director
1 April 2013Appointed Uchimura, Kenichiro as Director
1 April 2013Appointed Suzukawa, Shinichi as Director
1 April 2013Resigned Okabe, Koichi as Director
1 April 2013Resigned Nagashima, Takashi as Director
1 April 2011Appointed Nagashima, Takashi as Director
1 October 2010Appointed Okabe, Koichi as Director
31 March 2010Resigned Miki, Toshiaki as Director
31 March 2009Resigned Yamaguchi, Akihiko as Director
1 April 2008Appointed Miki, Toshiaki as Director
1 April 2008Appointed Yamaguchi, Akihiko as Director
31 March 2008Resigned Minatani, Shigeru as Director
31 March 2005Resigned Kawaguchi, Kenichi as Director
31 March 2005Resigned Iwabuchi, Toyoji as Director
10 March 2005Appointed Gallen, Shane as Secretary
10 March 2005Resigned Shishikura, Hiroaki as Secretary
1 April 2004Resigned Kitagawa, Hiroshi as Director
1 April 2004Resigned Hokamura, Kanji as Director
1 April 2004Appointed Kawaguchi, Kenichi as Director
1 October 2003Resigned Sakurai, Tashiyuki as Secretary
1 October 2003Appointed Shishikura, Hiroaki as Secretary
25 June 2003Resigned Kinoto, Naoki as Director
25 June 2003Appointed Minatani, Shigeru as Director
15 September 2002Appointed Iwabuchi, Toyoji as Director
15 September 2002Appointed Kitagawa, Hiroshi as Director
15 September 2002Resigned Tateno, Osamu as Director
15 September 2002Resigned Ishikuro, Shigemitsu as Director
15 September 2002Appointed Kinoto, Naoki as Director
1 July 2001Appointed Ishikuro, Shigemitsu as Director
1 July 2001Appointed Sakurai, Tashiyuki as Secretary
1 July 2001Resigned Goto, Noriyasu as Director
1 July 2001Appointed Tateno, Osamu as Director
27 November 1998Appointed Hokamura, Kanji as Director
30 July 1997Resigned Nakao, Akifumi as Director
30 July 1997Appointed Goto, Noriyasu as Director
1 October 1996Resigned Suzuki, Tsuneharu as Secretary
9 April 1996Appointed Suzuki, Tsuneharu as Secretary
9 April 1996Resigned Hayashi, Takao as Secretary
9 April 1996Resigned Hayashi, Takao as Director
1 July 1995Resigned Shishikura, Takeshi as Director
1 July 1995Appointed Nakao, Akifumi as Director
1 December 1994Resigned Tsukada, Shizuo as Director
1 December 1994Appointed Shishikura, Takeshi as Director
1 March 1993Appointed Tsukada, Shizuo as Director
1 March 1993Resigned Asakawa, Hiroshi as Director