24 March 2026Resigned Suetake, Masahisa as Director
24 March 2026Appointed Kondo, Ichiro as Director
24 March 2026Appointed Santazono, Tetsuji as Director
24 March 2026Resigned Takase, Naoko as Director
24 March 2026Resigned Hasegawa, Hiroshi as Director
24 March 2026Appointed Iida, Takahiro as Director
25 March 2025Resigned Sasaki, Masahiro as Director
25 March 2025Resigned Tsugawa, Satoru as Director
25 March 2025Appointed Komatsubara, Motonobu as Director
25 March 2025Resigned Noma, Kiyoshi as Director
25 March 2025Appointed Taniguchi, Akira as Director
25 March 2025Appointed Higashi, Masaki as Director
25 March 2025Appointed Komori, Keisuke as Director
26 March 2024Appointed Matsumoto, Motohiro as Director
26 March 2024Resigned Yamano, Yasuki as Director
26 March 2024Resigned Kondo, Katsuyoshi as Director
26 March 2024Appointed Watabe, Satoru as Director
27 March 2023Appointed Tsugawa, Satoru as Director
27 March 2023Appointed Hasebe, Tsuyoshi as Director
27 March 2023Resigned Okada, Naotoshi as Director
27 March 2023Resigned Minoji, Hideki as Director
25 March 2022Appointed Suetake, Masahisa as Director
25 March 2022Resigned Wachi, Norio as Director
23 March 2021Appointed Noma, Kiyoshi as Director
23 March 2021Resigned Ito, Tomoko as Director
23 March 2021Resigned Horiuchi, Makoto as Director
23 March 2021Appointed Ajiro, Junichi as Director
23 March 2021Resigned Kitazawa, Chiaki as Director
24 March 2020Resigned Nakajima, Atsuyuki as Director
24 March 2020Resigned Yoshoka, Noboru as Director
24 March 2020Resigned Takahashi, Gakuji as Director
24 March 2020Appointed Minoji, Hideki as Director
24 March 2020Resigned Sato, Yoshiya as Director
26 March 2019Appointed Takami, Shinzo as Director
26 March 2019Resigned Hori, Toshiaki as Director
26 March 2019Appointed Yamano, Yasuki as Director
26 March 2019Appointed Takase, Naoko as Director
26 March 2019Resigned Tai, Osamu as Director
26 March 2019Resigned Kanekuni, Nobuhiko as Director
27 March 2018Appointed Sato, Yoshiya as Director
27 March 2018Resigned Nakashima, Osamu as Director
27 March 2018Resigned Kita, Tsuneo as Director
27 March 2018Resigned Hirose, Etsuya as Director
27 March 2018Resigned Kamata, Shinichi as Director
27 March 2017Appointed Okada, Naotoshi as Director
27 March 2017Appointed Kondo, Katsuyoshi as Director
27 March 2017Appointed Kitazawa, Chiaki as Director
25 March 2016Appointed Nakashima, Osamu as Director
25 March 2016Resigned Narusawa, Naoki as Director
25 March 2016Appointed Wachi, Norio as Director
25 March 2016Appointed Hasegawa, Hiroshi as Director
25 March 2016Resigned Matsumoto, Kunihiro as Director
25 March 2015Resigned Takami, Shinzo as Director
24 March 2014Appointed Sasaki, Masahiro as Director
24 March 2014Appointed Takami, Shinzo as Director
25 March 2013Appointed Ito, Tomoko as Director
25 March 2013Appointed Hirose, Etsuya as Director
25 March 2013Appointed Takahashi, Gakuji as Director
25 March 2013Resigned Takemura, Daisuke as Director
25 March 2013Resigned Yamada, Hagane as Director
25 March 2013Appointed Yoshoka, Noboru as Director
25 March 2013Resigned Yamakita, Toshihiko as Director
26 March 2012Resigned Horikawa, Kenjiro as Director
24 March 2011Resigned Sekiguchi, Naoyuki as Director
24 March 2011Appointed Kanekuni, Nobuhiko as Director
24 March 2011Appointed Horiuchi, Makoto as Director
24 March 2011Resigned Fukuzaki, Naoaki as Director
25 March 2010Appointed Narusawa, Naoki as Director
25 March 2010Resigned Nakajima, Noriaki as Director
25 March 2009Appointed Matsumoto, Kunihiro as Director
25 March 2009Appointed Nakajima, Atsuyuki as Director
25 March 2009Appointed Tai, Osamu as Director
25 March 2009Resigned Watanabe, Tetsuo as Director
25 March 2009Resigned Murata, Hirokazu as Director
25 March 2009Resigned Kagara, Masayuki as Director
26 March 2008Appointed Yamakita, Toshihiko as Director
26 March 2008Appointed Yamada, Hagane as Director
26 March 2007Appointed Sekiguchi, Naoyuki as Director
26 March 2007Appointed Takemura, Daisuke as Director
26 March 2007Appointed Kita, Tsuneo as Director
26 March 2007Resigned Tanahashi, Hiromoto as Director
26 March 2007Appointed Kamata, Shinichi as Director
27 March 2006Appointed Murata, Hirokazu as Director
28 March 2005Appointed Fukuzaki, Naoaki as Director
26 March 2004Appointed Hori, Toshiaki as Director
26 March 2003Resigned Ohta, Tetsuo as Director
26 March 2003Resigned Tanabe, Wataru as Director
27 March 2002Appointed Horikawa, Kenjiro as Director
27 March 2002Appointed Watanabe, Tetsuo as Director
27 March 2002Appointed Kagara, Masayuki as Director
27 March 2002Resigned Yoshino, Mitsuhisa as Director
27 March 2002Resigned Aoyagi, Susumu as Director
27 March 2000Resigned Osawa, Sokicai as Director
27 March 2000Resigned Aoki, Katsuyuki as Director
27 March 2000Appointed Nakajima, Noriaki as Director
27 March 2000Resigned Komiya, Norio as Director
26 March 1997Resigned Kojima, Akinobu as Director
26 March 1997Resigned Imai, Motoyuki as Director
26 March 1997Resigned Kajita, Susumu as Director
26 March 1996Resigned Natsumeda, Tsuneyoshi as Director
26 March 1996Resigned Ebina, Mamoru as Director
26 March 1996Resigned Sagawa, Yoshihide as Director
29 March 1994Resigned Komatsu, Masakata as Director
29 March 1994Resigned Osawa, Norio as Director
29 March 1994Resigned Kato, Yahiko as Director
29 March 1994Resigned Okura, Kenji as Director
29 March 1993Appointed Natsumeda, Tsuneyoshi as Director
29 March 1993Resigned Samejima, Keiji as Director
29 March 1993Appointed Imai, Motoyuki as Director
26 March 1992Appointed Aoyagi, Susumu as Director
26 March 1992Appointed Tanabe, Wataru as Director
26 March 1992Appointed Samejima, Keiji as Director
26 March 1992Appointed Osawa, Sokicai as Director
26 March 1992Appointed Yoshino, Mitsuhisa as Director
26 March 1992Appointed Okura, Kenji as Director
31 March 1991Resigned Miyakawa, Naozo as Secretary
28 March 1991Appointed Komiya, Norio as Director
29 March 1990Appointed Osawa, Norio as Director
29 March 1990Appointed Ohta, Tetsuo as Director
29 March 1990Appointed Kajita, Susumu as Director
29 March 1989Appointed Komatsu, Masakata as Director
29 March 1989Resigned Okada, Kiyoshi as Director
29 March 1989Appointed Tanahashi, Hiromoto as Director
13 November 1988Appointed Okada, Kiyoshi as Director
28 March 1988Appointed Aoki, Katsuyuki as Director
28 March 1988Appointed Sagawa, Yoshihide as Director
27 March 1987Resigned Takeda, Muneyoshi as Director
13 November 1986Appointed Takeda, Muneyoshi as Director
13 November 1986Appointed Miyakawa, Naozo as Secretary
13 November 1986Appointed Kato, Yahiko as Director
13 November 1986Appointed Ebina, Mamoru as Director
13 November 1986Appointed Kojima, Akinobu as Director