27 November 2025Resigned Mima, Tosihiko as Director
27 November 2025Appointed Kobayashi, Kano as Director
28 November 2023Resigned Yoshida, Hitoshi as Director
28 November 2023Appointed Tomaru, Motofumi as Director
27 November 2019Resigned Takigawa, Shinji as Director
27 November 2019Resigned Fukuda, Yukio as Director
28 November 2017Resigned Nakagawa, Mitsuhide as Director
28 November 2017Appointed Takigawa, Shinji as Director
28 November 2017Appointed Mima, Tosihiko as Director
27 November 2015Appointed Takazawa, Isao as Director
27 November 2015Resigned Naruse, Yoshiyuki as Director
28 November 2014Appointed Hashimoto, Yasuhiko as Director
27 November 2014Appointed Kinoshita, Naoshi as Director
28 November 2013Resigned Tomita, Masamitsu as Director
25 November 2011Appointed Yoshida, Hitoshi as Director
25 November 2011Resigned Shimokura, Takashi as Director
25 November 2011Resigned Morita, Noriyuki as Director
25 November 2011Appointed Fukuda, Yukio as Director
25 November 2011Resigned Ikeda, Masaaki as Director
29 November 2007Resigned Tanaka, Toshiro as Director
29 November 2007Appointed Morita, Noriyuki as Director
29 November 2007Resigned Mitshui, Mitsuhiro as Director
29 November 2007Resigned Inoue, Hiroshi as Director
29 November 2007Resigned Ito, Yoshimi as Director
29 November 2007Appointed Nakagawa, Mitsuhide as Director
27 November 2007Resigned Mikimoto, Sumiko as Director
29 June 2007Appointed Ikeda, Masaaki as Director
22 February 2007Appointed Nakanishi, Shinichi as Director
22 February 2007Appointed Naruse, Yoshiyuki as Director
28 November 2005Appointed Shimokura, Takashi as Director
28 November 2005Appointed Tanaka, Toshiro as Director
28 November 2005Resigned Kimura, Yoshiharu as Director
28 November 2005Resigned Mori, Hitoshi as Director
28 November 2005Appointed Inoue, Hiroshi as Director
28 November 2005Resigned Mikimoto, Toyohiko as Director
28 November 2005Appointed Mikimoto, Sumiko as Director
28 November 2005Resigned Ishii, Kikuichiro as Director
31 May 2004Resigned Matsuoka, Kazutaka as Director
26 November 2003Resigned Kokuno, Yoshinori as Director
27 November 2001Appointed Kimura, Yoshiharu as Director
27 November 2001Appointed Tomita, Masamitsu as Director
27 November 2001Resigned Niikura, Tamotsu as Director
27 November 2001Resigned Sato, Chikao as Director
24 November 1999Resigned Matsuda, Shoichi as Director
24 November 1999Resigned Yoshida, Katsuhiko as Director
30 November 1998Resigned Nakagawa, Hiroshi as Director
26 November 1997Appointed Mitshui, Mitsuhiro as Director
4 September 1996Appointed Matsuda, Shoichi as Director
4 September 1996Appointed Matsuoka, Kazutaka as Director
4 September 1996Appointed Kokuno, Yoshinori as Director
4 September 1996Appointed Ishii, Kikuichiro as Director
4 September 1996Appointed Nakagawa, Hiroshi as Director
4 September 1996Appointed Mikimoto, Toyohiko as Director
4 September 1996Appointed Sato, Chikao as Director
4 September 1996Appointed Mori, Hitoshi as Director
4 September 1996Appointed Niikura, Tamotsu as Director
4 September 1996Appointed Ito, Yoshimi as Director
4 September 1996Appointed Yoshida, Katsuhiko as Director