24 October 2025Resigned Hayashi, Hidetada as Director
24 October 2025Appointed Mita, Yasuhiro as Director
1 August 2024Appointed Hayashi, Hidetada as Director
1 August 2024Resigned Kobayashi, Shigeki as Director
31 July 2023Appointed Kobayashi, Shigeki as Director
31 July 2023Resigned Kurata, Nobutaka as Director
31 July 2023Resigned Zaif, Siddiqi as Director
30 November 2022Resigned Okudaira, Tadashi as Director
30 November 2022Appointed Kurata, Nobutaka as Director
9 July 2020Resigned Matsui, Masaaki as Director
9 July 2020Appointed Okudaira, Tadashi as Director
1 July 2018Appointed Matsui, Masaaki as Director
1 July 2018Resigned Tokumo, Takahiro as Director
1 July 2018Appointed Zaif, Siddiqi as Director
12 July 2016Resigned Igarashi, Junichi as Director
1 July 2014Resigned Kinoshita, Satoru as Director
1 July 2014Appointed Tokumo, Takahiro as Director
1 July 2014Resigned Kumasaki, Moriya as Director
1 July 2014Appointed Igarashi, Junichi as Director
1 July 2013Appointed Kinoshita, Satoru as Director
30 June 2013Resigned Taniguchi, Tetsuya as Director
30 June 2013Resigned Kawamura, Seiji as Director
18 July 2012Appointed Kawamura, Seiji as Director
1 July 2011Resigned Ikeda, Seiichi as Director
1 July 2011Appointed Kumasaki, Moriya as Director
1 August 2010Appointed Taniguchi, Tetsuya as Director
1 July 2010Resigned Sakai, Tsutomu as Director
1 July 2010Appointed Ikeda, Seiichi as Director
1 July 2008Appointed Sakai, Tsutomu as Director
1 July 2008Resigned Yoshida, Kazushige as Director
1 July 2008Resigned Saito, Naoya as Director
1 June 2005Appointed Yoshida, Kazushige as Director
31 May 2005Resigned Omote, Hisashi as Director
31 May 2005Resigned Otsu, Toru as Director
1 May 2005Resigned Akimoto, Nobuyuki as Director
1 May 2005Appointed Saito, Naoya as Director
18 June 2004Resigned Adachi, Kunihiko as Director
15 June 2004Resigned Ishizuka, Shigeki as Director
15 June 2004Appointed Otsu, Toru as Director
23 July 2003Appointed Akimoto, Nobuyuki as Director
25 June 2003Appointed Omote, Hisashi as Director
25 June 2003Resigned Ohashi, Naoto as Director
26 September 2002Appointed Ohashi, Naoto as Director
26 September 2002Resigned Otsuka, Hiroyuki as Director
2 September 2002Appointed Adachi, Kunihiko as Director
2 September 2002Appointed Ishizuka, Shigeki as Director
31 October 2000Appointed Otsuka, Hiroyuki as Director