6 July 2026Appointed Sawada, Shin as Director
1 July 2026Resigned Sawada, Shin as Director
21 April 2026Appointed Sawada, Shin as Director
25 March 2024Resigned Mikihara, Satoshi as Director
29 September 2023Appointed Tamura, Chie as Director
3 October 2022Resigned Kamitsubo, Naoki as Director
3 October 2022Appointed Inoue, Akira as Director
18 March 2022Appointed Moritani, Hiroki as Director
18 March 2022Resigned Murota, Yukihiro as Director
23 April 2021Appointed Oishi, Sunao as Director
29 March 2021Resigned Suzuki, Keisuke as Director
29 June 2020Resigned Matsuo, Akira as Director
29 June 2020Appointed Hirose, Hiroaki as Director
29 November 2019Resigned Koike, Takeyasu as Director
26 September 2019Appointed Kamitsubo, Naoki as Director
4 December 2018Appointed Matsuo, Akira as Director
4 December 2018Resigned Ono, Makito as Director
4 December 2018Appointed Suzuki, Keisuke as Director
4 December 2018Resigned Wakao, Kazuteru as Director
23 May 2018Appointed Mikihara, Satoshi as Director
23 May 2018Resigned Furukawa, Masaru as Director
23 May 2018Appointed Ono, Makito as Director
31 March 2017Resigned Ueda, Atsushi as Director
13 December 2016Appointed Wakao, Kazuteru as Director
13 December 2016Resigned Hishida, Yoshio as Director
20 September 2016Resigned Kambayashi, Hisaya as Director
14 April 2016Appointed Murota, Yukihiro as Director
1 April 2014Appointed Furukawa, Masaru as Director
31 March 2014Resigned Shudo, Kuniyuki as Director
4 March 2013Appointed Koike, Takeyasu as Director
4 March 2013Resigned Sasakawa, Hideki as Director
19 February 2013Resigned Nishida, Yutaka as Director
19 February 2013Appointed Ueda, Atsushi as Director
1 April 2012Appointed Shudo, Kuniyuki as Director
1 April 2012Appointed Hishida, Yoshio as Director
1 April 2012Appointed Kambayashi, Hisaya as Director
1 April 2012Appointed Nishida, Yutaka as Director
31 March 2012Resigned Okuizumi, Masaki as Director
31 March 2012Resigned Kimoto, Seigo as Director
31 March 2012Resigned Imai, Yasutaka as Director
31 March 2012Resigned Nakamura, Makoto as Director
11 November 2011Resigned Ishihara, Daisuke as Director
11 November 2011Appointed Okuizumi, Masaki as Director
1 September 2009Appointed Kimoto, Seigo as Director
31 August 2009Resigned Kuwana, Yasuo as Director
15 June 2009Appointed Imai, Yasutaka as Director
5 June 2009Resigned Kaiya, Kenji as Director
2 June 2009Appointed Nakamura, Makoto as Director
1 June 2009Resigned Ito, Hisanori as Director
1 July 2008Appointed Ishihara, Daisuke as Director
30 May 2008Resigned Eto, Masazumi as Director
30 May 2008Resigned Eto, Masazumi as Secretary
11 March 2008Appointed Kaiya, Kenji as Director
29 February 2008Resigned Hayashi, Ryutaro as Director
3 April 2006Appointed Ito, Hisanori as Director
3 April 2006Resigned Koyama, Itaru as Director
31 March 2005Appointed Sasakawa, Hideki as Director
31 March 2005Resigned Moriya, Ryuichi as Director
1 December 2004Appointed Kuwana, Yasuo as Director
31 October 2004Resigned Igarashi, Tatsuto as Director
26 April 2004Resigned Miura, Toshiyuki as Director
26 April 2004Appointed Igarashi, Tatsuto as Director
19 January 2004Appointed Hayashi, Ryutaro as Director
31 December 2003Resigned Hiroe, Yasuo as Director
8 August 2003Appointed Miura, Toshiyuki as Director
8 August 2003Resigned Kitamura, Kunitaro as Director
30 September 2002Appointed Hiroe, Yasuo as Director
1 September 2002Resigned Taki, Hisataka as Director
5 August 2002Appointed Taki, Hisataka as Director
28 June 2002Resigned Iwakami, Hideki as Director
2 April 2002Resigned Kawai, Tadashi as Director
2 April 2002Appointed Kitamura, Kunitaro as Director
1 December 2001Resigned Yamagiwa, Yuji as Director
1 December 2001Appointed Moriya, Ryuichi as Director
7 November 2001Appointed Iwakami, Hideki as Director
7 November 2001Resigned Kiyono, Yoshiki as Director
28 August 2001Resigned Sakai, Ichiro as Secretary
28 August 2001Appointed Eto, Masazumi as Secretary
28 August 2001Resigned Sakai, Ichiro as Director
28 August 2001Appointed Eto, Masazumi as Director
28 June 2001Appointed Kawai, Tadashi as Director
29 June 2000Resigned Yoshida, Mitsuyuki as Director
1 June 2000Appointed Koyama, Itaru as Director
1 June 2000Appointed Sakai, Ichiro as Director
15 May 2000Appointed Kiyono, Yoshiki as Director
15 May 2000Appointed Yoshida, Mitsuyuki as Director
8 October 1999Appointed Sakai, Ichiro as Secretary
8 October 1999Resigned Yuki, Katsuyuki as Secretary
9 July 1999Appointed Yamagiwa, Yuji as Director
9 July 1999Resigned Hirata, Yukio as Director
2 July 1998Resigned Murakami, Kiyotsugu as Director
27 June 1997Resigned Tagaya, Taoayuki as Director
27 June 1997Appointed Murakami, Kiyotsugu as Director
27 June 1997Resigned Murakami, Kanami as Director
10 June 1996Appointed Yuki, Katsuyuki as Secretary
10 June 1996Resigned Tsuboko, Akio as Secretary
17 October 1995Appointed Hirata, Yukio as Director
17 October 1995Resigned Nakamura, Mitsumasa as Director
29 June 1995Appointed Murakami, Kanami as Director
29 June 1995Resigned Katoh, Hiroshi as Director
17 May 1993Resigned Kojima, Makoto as Director
12 March 1993Resigned Araki, Yukio as Director
29 January 1993Appointed Nakamura, Mitsumasa as Director
29 January 1993Resigned Nakamura, Mitsumasa as Secretary
29 January 1993Resigned Hatakeyama, Atsushi as Director
29 January 1993Appointed Tsuboko, Akio as Secretary
30 October 1992Appointed Tagaya, Taoayuki as Director
30 October 1992Resigned Kohzu, Chitaru as Director
30 October 1992Resigned Murakami, Kanami as Director
30 October 1992Appointed Kojima, Makoto as Director
12 March 1992Appointed Katoh, Hiroshi as Director