25 June 2026Appointed Yakoo, Keisuke as Director
25 June 2026Appointed Nagasawa, Masashi as Director
25 June 2026Appointed Homma, Yo as Director
25 June 2026Resigned Ohyagi, Shigeo as Director
25 June 2026Resigned Kobayashi, Yoshimitsu as Director
25 June 2026Resigned Fukuda, Toshihiko as Director
26 June 2025Appointed Yamagishi, Momoko as Director
26 June 2025Appointed Uchida, Takakazu as Director
26 June 2025Resigned Shinkawa, Asa as Director
26 June 2025Resigned Kojima, Chikara as Director
28 June 2023Appointed Sakai, Daisuke as Director
28 June 2023Resigned Takaura, Hideo as Director
28 June 2023Resigned Kunii, Hideko as Director
28 June 2023Appointed Okawa, Junko as Director
28 June 2023Appointed Nagata, Takashi as Director
31 March 2023Resigned Morishita, Yoshihito as Director
28 June 2022Appointed Kojima, Chikara as Director
28 June 2022Appointed Fukuda, Toshihiko as Director
28 June 2022Appointed Yamaguchi, Hiroyuki as Director
28 June 2022Resigned Fubasami, Seiichi as Director
28 June 2022Resigned Akimoto, Nobuhide as Director
30 September 2021Resigned Makino, Shigenori as Director
29 June 2021Resigned Utsuda, Shoei as Director
29 June 2021Appointed Yoshino, Shigehiro as Director
29 June 2021Resigned Tanaka, Kotaro as Director
29 June 2021Resigned Annen, Junji as Director
29 June 2021Appointed Kobayashi, Yoshimitsu as Director
29 June 2021Appointed Shinkawa, Asa as Director
25 June 2020Appointed Tanaka, Kotaro as Director
25 June 2020Resigned Toyama, Kazuhiko as Director
25 June 2020Resigned Kawamura, Takashi as Director
25 June 2020Appointed Onishi, Shoichiro as Director
25 June 2020Resigned Yamashita, Ryuichi as Director
25 June 2020Appointed Ohyagi, Shigeo as Director
26 June 2019Appointed Fubasami, Seiichi as Director
26 June 2019Resigned Kaneko, Yoshinori as Director
26 June 2019Resigned Kawasaki, Toshihiro as Director
26 June 2019Resigned Taketani, Noriaki as Director
26 June 2019Appointed Morishita, Yoshihito as Director
26 June 2019Appointed Akimoto, Nobuhide as Director
27 June 2018Resigned Nishiyama, Keita as Director
27 June 2018Appointed Yamashita, Ryuichi as Director
23 June 2017Appointed Kaneko, Yoshinori as Director
23 June 2017Appointed Taketani, Noriaki as Director
23 June 2017Appointed Toyama, Kazuhiko as Director
23 June 2017Appointed Utsuda, Shoei as Director
23 June 2017Resigned Anegawa, Takafumi as Director
23 June 2017Appointed Makino, Shigenori as Director
23 June 2017Resigned Sano, Toshihiro as Director
23 June 2017Appointed Takaura, Hideo as Director
23 June 2017Appointed Moriya, Seiji as Director
23 June 2017Resigned Hirose, Naomi as Director
23 June 2017Resigned Hasegawa, Yasuchika as Director
23 June 2017Appointed Kawamura, Takashi as Director
23 June 2017Resigned Masuda, Yuji as Director
23 June 2017Resigned Sudo, Fumio as Director
23 June 2017Resigned Takebe, Toshiro as Director
23 June 2017Resigned Fujimori, Yoshiaki as Director
23 June 2017Appointed Annen, Junji as Director
23 June 2017Appointed Kawasaki, Toshihiro as Director
5 November 2016Resigned Sudo, Masahiko as Director
28 June 2016Resigned Masuda, Hiroya as Director
28 June 2016Appointed Kobayakawa, Tomoaki as Director
25 June 2015Appointed Masuda, Yuji as Director
25 June 2015Appointed Hasegawa, Yasuchika as Director
25 June 2015Appointed Takebe, Toshiro as Director
25 June 2015Appointed Nishiyama, Keita as Director
25 June 2015Resigned Shimada, Takashi as Director
29 April 2015Resigned Naito, Yoshihiro as Director
31 March 2015Resigned Kobayashi, Yoshimitsu as Director
26 June 2014Resigned Yamaguchi, Hiroshi as Director
26 June 2014Appointed Anegawa, Takafumi as Director
26 June 2014Appointed Sano, Toshihiro as Director
26 June 2014Resigned Kashitani, Takao as Director
26 June 2014Appointed Sudo, Masahiko as Director
26 June 2014Appointed Kunii, Hideko as Director
26 June 2014Appointed Masuda, Hiroya as Director
31 March 2014Resigned Shimokobe, Kazuhiko as Director
26 June 2013Resigned Furuya, Masanori as Director
27 June 2012Resigned Katsumata, Tsunehisa as Director
27 June 2012Appointed Kashitani, Takao as Director
27 June 2012Appointed Shimada, Takashi as Director
27 June 2012Appointed Sudo, Fumio as Director
27 June 2012Appointed Kobayashi, Yoshimitsu as Director
27 June 2012Resigned Komori, Akio as Director
27 June 2012Resigned Sano, Toshihiro as Director
27 June 2012Appointed Furuya, Masanori as Director
27 June 2012Resigned Nishizawa, Toshio as Director
27 June 2012Resigned Miyamoto, Fumiaki as Director
27 June 2012Resigned Kimura, Shigeru as Director
27 June 2012Resigned Takatsu, Hiroaki as Director
27 June 2012Appointed Fujimori, Yoshiaki as Director
27 June 2012Resigned Fujimoto, Takashi as Director
27 June 2012Appointed Shimokobe, Kazuhiko as Director
27 June 2012Resigned Takei, Masaru as Director
27 June 2012Resigned Yamazaki, Masao as Director
27 June 2012Resigned Aizawa, Zengo as Director
27 June 2012Resigned Tsuzumi, Norio as Director
27 June 2012Resigned Arai, Takao as Director
14 February 2012Resigned Aoyama, Yasushi as Director
28 June 2011Resigned Muto, Sakae as Director
28 June 2011Resigned Morita, Tomijiro as Director
28 June 2011Resigned Fujiwara, Makio as Director
28 June 2011Appointed Sano, Toshihiro as Director
25 June 2010Appointed Morita, Tomijiro as Director
25 June 2010Resigned Araki, Hiroshi as Director
25 June 2010Appointed Nishizawa, Toshio as Director
25 June 2010Appointed Komori, Akio as Director
25 June 2010Appointed Takatsu, Hiroaki as Director
25 June 2010Appointed Kimura, Shigeru as Director
25 June 2010Appointed Takei, Masaru as Director
25 June 2010Appointed Fujimoto, Takashi as Director
25 June 2010Appointed Tsuzumi, Norio as Director
25 June 2010Appointed Arai, Takao as Director
25 June 2010Appointed Yamazaki, Masao as Director
25 June 2010Appointed Aizawa, Zengo as Director
25 June 2010Appointed Yamaguchi, Hiroshi as Director
25 June 2010Appointed Aoyama, Yasushi as Director
25 June 2010Appointed Naito, Yoshihiro as Director
25 June 2010Appointed Hirose, Naomi as Director
25 June 2010Appointed Muto, Sakae as Director
25 June 2010Resigned Arai, Akira as Director
25 June 2010Appointed Miyamoto, Fumiaki as Director
25 June 2010Resigned Minami, Nobuya as Director
25 June 2010Resigned Ando, Taketoshi as Director
25 June 2010Appointed Fujiwara, Makio as Director
25 June 2010Resigned Nasu, Shoh as Director
25 June 2010Resigned Yoshikawa, Minoru as Director
25 June 2010Resigned Futami, Tuneo as Director
25 June 2010Resigned Yamamoto, Masaru as Director
25 June 2010Resigned Haru, Hidehiko as Director
25 June 2010Resigned Tsukiyama, Muneyuki as Director
25 June 2010Resigned Hirai, Sadao as Director
25 June 2010Resigned Tomono, Katsuya as Director
25 June 2010Resigned Icihida, Yukinori as Director
25 June 2010Resigned Tomon, Kazunao as Director
25 June 2010Resigned Ikawa, Masakatsu as Director
25 June 2010Resigned Taneichi, Takeshi as Director
25 June 2010Resigned Ishige, Katsumasa as Director
25 June 2010Resigned Tamura, Shigemi as Director
25 June 2010Resigned Kawasaki, Hiroshi as Director
25 June 2010Resigned Kogiso, Masasuke as Director
25 June 2010Resigned Shiraishi, Satoshi as Director
25 June 2010Resigned Kojima, Isami as Director
25 June 2010Resigned Sakurai, Hiroomi as Director
25 June 2010Resigned Masumoto, Teruaki as Director
25 June 2010Resigned Ozaki, Yukitaka as Director
25 June 2010Resigned Momose, Nobumasa as Director
25 June 2010Resigned Nishio, Shinichi as Director
26 June 2003Resigned Nishio, Shinichi as Director
9 November 1998Appointed Tomon, Kazunao as Director
9 November 1998Appointed Yamamoto, Masaru as Director
9 November 1998Appointed Ozaki, Yukitaka as Director
9 November 1998Appointed Momose, Nobumasa as Director
9 November 1998Appointed Sakurai, Hiroomi as Director
9 November 1998Appointed Masumoto, Teruaki as Director
9 November 1998Appointed Shiraishi, Satoshi as Director
9 November 1998Appointed Kojima, Isami as Director
9 November 1998Appointed Kogiso, Masasuke as Director
9 November 1998Appointed Tamura, Shigemi as Director
9 November 1998Appointed Kawasaki, Hiroshi as Director
9 November 1998Appointed Taneichi, Takeshi as Director
9 November 1998Appointed Ishige, Katsumasa as Director
9 November 1998Appointed Nasu, Shoh as Director
9 November 1998Appointed Nishio, Shinichi as Director
9 November 1998Appointed Yoshikawa, Minoru as Director
9 November 1998Appointed Icihida, Yukinori as Director
9 November 1998Appointed Tsukiyama, Muneyuki as Director
9 November 1998Appointed Hirai, Sadao as Director
9 November 1998Appointed Ikawa, Masakatsu as Director
9 November 1998Appointed Haru, Hidehiko as Director
9 November 1998Appointed Tomono, Katsuya as Director
9 November 1998Appointed Futami, Tuneo as Director
9 November 1998Appointed Katsumata, Tsunehisa as Director
9 November 1998Appointed Araki, Hiroshi as Director
9 November 1998Appointed Nishio, Shinichi as Director
9 November 1998Appointed Ando, Taketoshi as Director
6 November 1998Appointed Minami, Nobuya as Director
9 November 1987Appointed Arai, Akira as Director