19 June 2026Resigned Ikemura, Shigenori as Director
19 June 2026Appointed Matsumoto, Atsushi as Director
19 June 2026Appointed Matsumura, Yukihiko as Director
19 June 2026Appointed Kobayashi, Nobuko as Director
19 June 2026Resigned Hashimoto, Masaru as Director
19 June 2026Resigned Kanayama, Etsuko as Director
1 April 2026Appointed Watanabe, Masanori as Director
1 April 2026Appointed Sato, Riro as Director
1 April 2026Appointed Maita, Kiyotaka as Director
31 March 2026Resigned Yamaguchi, Nobuaki as Director
31 March 2026Resigned Matsumoto, Atsushi as Director
31 March 2026Resigned Takakura, Toru as Director
26 November 2025Resigned Mashita, Naoki as Director
20 June 2025Appointed Kanayama, Etsuko as Director
1 April 2025Appointed Ishibe, Naoki as Director
1 April 2025Appointed Fujisawa, Takumi as Director
1 April 2025Appointed Yoshida, Takahiro as Director
1 April 2025Appointed Wakao, Kazuteru as Director
31 March 2025Resigned Tanaka, Shigeki as Director
31 March 2025Resigned Suzuki, Yasuyuki as Director
31 March 2025Resigned Sato, Riro as Director
31 March 2025Resigned Ohkubo, Tetsuo as Director
20 June 2024Appointed Ono, Makito as Director
20 June 2024Resigned Sakakibara, Kazuo as Director
20 June 2024Resigned Kurai, Tsutomu as Director
1 April 2024Appointed Takada, Yuki as Director
31 March 2024Resigned Iwakuma, Seiji as Director
23 June 2023Appointed Date, Hidefumi as Director
23 June 2023Appointed Mashita, Naoki as Director
23 June 2023Resigned Mitsunaga, Hiroshi as Director
23 June 2023Appointed Ikemura, Shigenori as Director
23 June 2023Resigned Koashi, Kazuhisa as Director
23 June 2023Resigned Nakakubo, Hiroya as Director
23 June 2023Appointed Sakakibara, Kazuo as Director
1 April 2023Appointed Sato, Riro as Director
1 April 2023Appointed Sato, Masakatsu as Director
31 March 2023Resigned Kaibara, Atsushi as Director
31 March 2023Resigned Noguchi, Kengo as Director
23 June 2022Appointed Torii, Kazumi as Director
1 April 2022Appointed Matsumoto, Atsushi as Director
31 March 2022Resigned Sato, Hitoshi as Director
23 June 2021Appointed Achilles, Michiko as Director
23 June 2021Resigned Taya, Kaoru as Director
1 April 2021Appointed Yamaguchi, Nobuaki as Director
1 April 2021Appointed Suzuki, Yasuyuki as Director
1 April 2021Appointed Itani, Futoshi as Director
1 April 2021Appointed Sato, Hitoshi as Director
1 April 2021Appointed Iwakuma, Seiji as Director
1 April 2021Appointed Tanaka, Shigeki as Director
1 April 2021Appointed Yoneyama, Manatomo as Director
31 March 2021Resigned Araumi, Jiro as Director
31 March 2021Resigned Kitamura, Kunitaro as Director
31 March 2021Resigned Kitano, Yukihiro as Director
31 March 2021Resigned Tsunekage, Hitoshi, President as Director
31 March 2021Resigned Nishida, Yutaka as Director
31 March 2021Resigned Saito, Tsuyoshi as Director
31 March 2021Resigned Tsuchiya, Masahiro as Director
27 June 2019Resigned Tanaka, Kouji as Director
27 June 2019Appointed Taya, Kaoru as Director
27 June 2019Appointed Koashi, Kazuhisa as Director
27 June 2019Appointed Sasaki, Junko as Director
27 June 2019Resigned Hoshino, Toshio as Director
27 June 2019Appointed Nakakubo, Hiroya as Director
27 June 2019Appointed Kurai, Tsutomu as Director
1 April 2019Appointed Noguchi, Kengo as Director
1 April 2019Appointed Oyama, Kazuya as Director
31 March 2019Resigned Nishimura, Tadashi as Director
31 March 2019Resigned Shirayama, Akihiko as Director
31 March 2019Resigned Koshimura, Yoshiaki as Director
31 March 2019Resigned Tsutsui, Sumikazu as Director
31 March 2019Resigned Tanaka, Shigeki as Director
1 April 2018Appointed Tsuchiya, Masahiro as Director
1 April 2018Appointed Tanaka, Kouji as Director
31 March 2018Resigned Hattori, Rikiya as Director
29 June 2017Appointed Kanda, Hideki as Director
1 April 2017Resigned Tanaka, Yoshikazu as Director
1 April 2017Resigned Tsuchiya, Masahiro as Director
1 April 2017Appointed Kaibara, Atsushi as Director
1 April 2017Appointed Saito, Tsuyoshi as Director
1 April 2017Appointed Shirayama, Akihiko as Director
1 April 2017Resigned Iwasaki, Nobuo as Director
1 April 2017Appointed Kitano, Yukihiro as Director
1 April 2017Appointed Tanaka, Shigeki as Director
29 June 2016Appointed Mitsunaga, Hiroshi as Director
26 June 2015Resigned Shinohara, Soichi as Director
1 April 2015Appointed Koshimura, Yoshiaki as Director
1 April 2015Appointed Nishimura, Tadashi as Director
1 April 2015Appointed Nishida, Yutaka as Director
1 April 2015Appointed Araumi, Jiro as Director
1 April 2015Appointed Tanaka, Yoshikazu as Director
1 April 2015Appointed Tsuchiya, Masahiro as Director
31 March 2015Resigned Okuno, Jun as Director
31 March 2015Resigned Shoji, Naoya as Director
31 March 2015Resigned Nakae, Yoichi as Director
31 March 2015Resigned Mukohara, Kiyoshi as Director
31 March 2015Resigned Kudo, Katsuhiko as Director
31 March 2015Resigned Otsuka, Akio as Director
27 June 2013Appointed Shinohara, Soichi as Director
27 June 2013Appointed Hoshino, Toshio as Director
1 April 2013Appointed Nakae, Yoichi as Director
1 April 2013Appointed Hashimoto, Masaru as Director
1 April 2013Appointed Shoji, Naoya as Director
31 March 2013Resigned Saito, Tsuyoshi as Director
31 March 2013Resigned Kiyotsune, Tomoyuki as Director
31 March 2013Resigned Kitano, Yukihiro as Director
31 March 2013Resigned Kamikanda, Takashi as Director
31 March 2013Resigned Sakata, Shunichi as Director
1 April 2012Appointed Okuno, Jun as Director
1 April 2012Appointed Kiyotsune, Tomoyuki as Director
1 April 2012Appointed Takakura, Toru as Director
1 April 2012Appointed Saito, Tsuyoshi as Director
1 April 2012Appointed Kitamura, Kunitaro as Director
1 April 2012Appointed Kitano, Yukihiro as Director
1 April 2012Appointed Kudo, Katsuhiko as Director
1 April 2012Appointed Iwasaki, Nobuo as Director
1 April 2012Appointed Kamikanda, Takashi as Director
1 April 2012Appointed Sakata, Shunichi as Director
31 March 2012Resigned Hozumi, Koichi as Director
31 March 2012Resigned Suzuki, Fuminari as Director
31 March 2012Resigned Kusakawa, Shuichi as Director
31 March 2012Resigned Sayato, Junichi as Director
31 March 2012Resigned Asai, Hidehiko as Director
1 April 2011Appointed Asai, Hidehiko as Director
31 March 2011Resigned Sugita, Teruhiko as Director
29 June 2010Resigned Ando, Tomoaki as Director
29 June 2010Appointed Suzuki, Fuminari as Director
29 June 2010Appointed Hozumi, Koichi as Director
29 June 2010Resigned Hatabe, Takaaki as Director
27 June 2008Appointed Otsuka, Akio as Director
27 June 2008Resigned Suzuki, Masaru as Director
27 June 2008Resigned Inoue, Masakiyo as Director
27 June 2008Resigned Okuno, Hiroaki as Director
27 June 2008Appointed Ohkubo, Tetsuo as Director
27 June 2008Resigned Shibuya, Masao as Director
27 June 2008Appointed Hattori, Rikiya as Director
27 June 2008Appointed Sayato, Junichi as Director
27 June 2008Appointed Sugita, Teruhiko as Director
28 June 2007Appointed Tsutsui, Sumikazu as Director
28 June 2007Resigned Inoue, Ikuho as Director
28 June 2007Appointed Okuno, Hiroaki as Director
28 June 2007Resigned Nakai, Masahiko as Director
28 June 2007Resigned Fujii, Hideo as Director
29 June 2006Resigned Araki, Jiro as Director
29 June 2006Appointed Mukohara, Kiyoshi as Director
29 June 2006Appointed Inoue, Masakiyo as Director
29 June 2006Appointed Kusakawa, Shuichi as Director
29 June 2005Appointed Nakai, Masahiko as Director
29 June 2005Resigned Sakurai, Toshiharu as Director
29 June 2005Resigned Aoyama, Yukio as Director
29 June 2005Appointed Suzuki, Masaru as Director
29 June 2005Appointed Tsunekage, Hitoshi, President as Director
29 June 2005Resigned Miyakawa, Kazuo as Director
29 June 2005Appointed Ando, Tomoaki as Director
29 June 2004Appointed Aoyama, Yukio as Director
29 June 2004Resigned Yashiro, Sakae as Director
29 June 2004Appointed Sakurai, Toshiharu as Director
29 June 2004Resigned Nakamura, Takashi as Director
27 June 2003Resigned Norimatsu, Junpei as Director
27 June 2003Appointed Yashiro, Sakae as Director
27 June 2003Appointed Araki, Jiro as Director
27 June 2002Appointed Shibuya, Masao as Director
27 June 2002Appointed Miyakawa, Kazuo as Director
27 June 2002Appointed Fujii, Hideo as Director
27 June 2002Appointed Inoue, Ikuho as Director
31 May 2002Resigned Otsuka, Takahiko as Director
31 March 2002Resigned Yoshimura, Yoji as Director
28 June 2001Appointed Norimatsu, Junpei as Director
28 June 2001Appointed Nakamura, Takashi as Director
28 June 2001Resigned Tanaka, Minoru as Director
29 June 2000Appointed Otsuka, Takahiko as Director
29 June 2000Appointed Yoshimura, Yoji as Director
29 June 2000Appointed Tanaka, Minoru as Director
29 June 2000Appointed Hatabe, Takaaki as Director
29 June 1999Resigned Amano, Hiroaki as Director
29 June 1999Resigned Fujii, Hideo as Director
29 June 1999Resigned Otsuka, Takahiko as Director
29 June 1999Resigned Yoshimura, Yoji as Director
26 June 1998Appointed Amano, Hiroaki as Director
26 June 1998Appointed Fujii, Hideo as Director
26 June 1998Appointed Otsuka, Takahiko as Director
27 June 1996Appointed Yoshimura, Yoji as Director