31 December 2025Resigned Ozaki, Toshiyuki as Director
27 March 2025Resigned Akiba, Yashuhiko as Director
27 March 2025Appointed Homma, Koichi as Director
27 March 2025Appointed Ozaki, Toshiyuki as Director
27 March 2025Resigned Tokuno, Koji as Director
1 January 2025Appointed Ando, Yu as Director
28 September 2022Resigned Yasuhara, Hirofumi as Director
1 January 2022Appointed Tokuno, Koji as Director
25 March 2021Appointed Akiba, Yashuhiko as Director
25 March 2021Resigned Karakita, Yasushi as Director
6 April 2017Resigned Koseki, Toshinori as Director
6 April 2017Appointed Yasuhara, Hirofumi as Director
6 April 2017Appointed Mikami, Yoshihiro as Director
6 April 2017Appointed Mikami, Yoshihiro as Secretary
1 April 2014Appointed Karakita, Yasushi as Director
27 March 2014Resigned Ishikawa, Kunihiro as Director
16 August 2011Resigned Hitoshi, Kenji as Director
31 March 2010Appointed Hitoshi, Kenji as Director
18 March 2010Resigned Haraguchi, Kenji as Secretary
18 March 2010Resigned Haraguchi, Kenji as Director
18 March 2010Appointed Koseki, Toshinori as Director
24 December 2009Resigned Adachi, Shigeo as Director
30 June 2008Appointed Haraguchi, Kenji as Secretary
30 June 2008Appointed Haraguchi, Kenji as Director
30 June 2008Appointed Ishikawa, Kunihiro as Director
30 June 2008Resigned Mori, Sadao as Director
1 April 2006Resigned Kaneko, Ieharu as Director
1 April 2006Appointed Mori, Sadao as Director
14 March 2005Resigned Tomita, Takanori as Director
14 March 2005Resigned Tomita, Takanori as Secretary
1 September 2004Resigned Akabane, Tsuneo as Director
17 June 2004Appointed Kaneko, Ieharu as Director
17 June 2004Resigned Nomizo, Norihiko as Director
31 March 2003Resigned Ishizuka, Katsuhiko as Director
30 June 2002Resigned Yamaguchi, Masakatsu as Director
6 April 2002Appointed Tomita, Takanori as Director
6 April 2002Appointed Tomita, Takanori as Secretary
3 April 2002Resigned Yokoo, Junichi as Director
3 April 2002Resigned Yokoo, Junichi as Secretary
4 April 2001Appointed Adachi, Shigeo as Director
25 April 2000Appointed Yokoo, Junichi as Director
25 April 2000Resigned Ng, Hong Kheng as Secretary
25 April 2000Appointed Yokoo, Junichi as Secretary
1 April 2000Resigned Koreto, Yoichi as Director
12 June 1999Appointed Nomizo, Norihiko as Director
1 December 1998Resigned Yamamoto, Atsumichi as Director
1 December 1998Appointed Akabane, Tsuneo as Director
1 December 1998Resigned Shibata, Seiji as Director
29 April 1998Appointed Yamaguchi, Masakatsu as Director
29 April 1998Appointed Koreto, Yoichi as Director
29 April 1998Appointed Yamamoto, Atsumichi as Director
29 April 1998Resigned Hashimoto, Yu as Director
1 April 1996Resigned Sekiguchi, Kazuo as Director
16 May 1995Appointed Ishizuka, Katsuhiko as Director
1 August 1994Appointed Hashimoto, Yu as Director
1 August 1994Appointed Ng, Hong Kheng as Secretary
1 August 1994Resigned Nagae, Hiroyuki as Secretary
1 August 1994Resigned Maruyama, Yasuo as Director