12 June 2026Appointed Ishimaru, Daisuke as Director
26 May 2026Resigned Murakami, Naoe as Secretary
26 May 2026Resigned Murakami, Naoe as Director
22 May 2026Appointed Iwase, Katsumi as Secretary
14 March 2025Resigned Harada, Hirokazu as Director
14 March 2025Appointed Murakami, Naoe as Secretary
14 March 2025Resigned Harada, Hirokazu as Secretary
3 February 2025Appointed Iwase, Katsumi as Director
3 February 2025Appointed Murakami, Naoe as Director
6 September 2023Resigned Kuribayashi, Jiro as Director
21 August 2023Resigned Kuribayashi, Jiro as Secretary
21 August 2023Appointed Harada, Hirokazu as Secretary
3 August 2023Appointed Harada, Hirokazu as Director
28 March 2018Resigned Chiba, Eirin as Director
28 March 2018Resigned Chiba, Eirin as Secretary
15 March 2018Appointed Kuribayashi, Jiro as Secretary
15 March 2018Appointed Kuribayashi, Jiro as Director
1 August 2016Appointed Chiba, Eirin as Director
1 August 2016Appointed Chiba, Eirin as Secretary
31 July 2016Resigned Masubuchi, Yoshiaki as Secretary
31 July 2016Resigned Masubuchi, Yoshiaki as Director
25 January 2014Resigned Tobari, Tsutomu as Director
14 May 2013Appointed Tobari, Tsutomu as Director
14 May 2013Resigned Yamanaka, Yoshitaka as Director
22 April 2008Appointed Masubuchi, Yoshiaki as Director
22 April 2008Resigned Yamazaki, Iwao as Director
22 April 2008Resigned Yamazaki, Iwao as Secretary
22 April 2008Appointed Masubuchi, Yoshiaki as Secretary
30 April 2004Appointed Yamazaki, Iwao as Secretary
30 April 2004Resigned Horikawa, Ryokichi as Director
30 April 2004Appointed Yamazaki, Iwao as Director
30 April 2004Appointed Yamanaka, Yoshitaka as Director
30 April 2004Resigned Yamauchi, Masatoshi as Secretary
30 April 2004Resigned Yamauchi, Masatoshi as Director
7 April 2000Appointed Yamauchi, Masatoshi as Director
7 April 2000Resigned Yamanaka, Yoshitaka as Secretary
7 April 2000Appointed Yamauchi, Masatoshi as Secretary
7 April 2000Resigned Yamanaka, Yoshitaka as Director
3 April 1999Appointed Yamanaka, Yoshitaka as Secretary
3 April 1999Resigned Shibuya, Katsutoshi as Director
3 April 1999Resigned Shibuya, Katsutoshi as Secretary
10 February 1999Resigned Itonaga, Yutaka as Director
1 January 1996Appointed Shibuya, Katsutoshi as Secretary
1 January 1996Appointed Itonaga, Yutaka as Director
1 January 1996Appointed Shibuya, Katsutoshi as Director
1 January 1996Appointed Yamanaka, Yoshitaka as Director
1 January 1996Appointed Horikawa, Ryokichi as Director