16 September 2022Resigned Nakanishi, Yasuharu as Secretary
16 September 2022Appointed Enokida, Yoji as Secretary
1 July 2022Appointed Hikita, Shunsuke as Director
1 July 2022Appointed Wakabayashi, Junichi as Director
1 July 2022Resigned Ikeda, Masaru as Director
1 July 2019Appointed Tsukada, Kazuma as Director
1 July 2019Resigned Tsuruta, Eiichi as Director
22 August 2018Appointed Tsuruta, Eiichi as Director
22 August 2018Appointed Ikeda, Masaru as Director
6 October 2017Resigned Hikita, Shunsuke as Secretary
6 October 2017Appointed Nakanishi, Yasuharu as Secretary
7 March 2016Appointed Nakao, Masaki as Director
25 February 2013Appointed Hikita, Shunsuke as Secretary
25 February 2013Resigned Tsukada, Kazuma as Secretary
1 April 2012Appointed Fujii, Kiyoshi as Director
1 April 2012Resigned Maeda, Soichi as Director
1 April 2009Appointed Maeda, Soichi as Director
31 March 2009Resigned Fujii, Kiyoshi as Director
11 September 2007Appointed Fujii, Kiyoshi as Director
11 September 2007Resigned Sasada, Isao as Director
11 September 2007Appointed Tsukada, Kazuma as Secretary
11 September 2007Resigned Fujii, Kiyoshi as Secretary
23 April 2002Resigned Sasada, Isao as Secretary
23 April 2002Appointed Sasada, Isao as Director
23 April 2002Appointed Fujii, Kiyoshi as Secretary
23 April 2002Resigned Fukumoto, Masanori as Director
16 December 1999Appointed Sasada, Isao as Secretary
16 December 1999Appointed Fukumoto, Masanori as Director