25 June 2026Resigned Soutome, Minoru as Director
25 June 2026Appointed Onodera, Masashi as Director
25 June 2026Appointed Yamashita, Atsushi as Director
25 June 2026Appointed Komoriya, Masatoshi as Director
25 June 2026Appointed Hironaka, Chikara as Director
25 June 2026Appointed Katayama, Miki as Director
25 June 2026Appointed Kitamura, Shin as Director
25 June 2026Appointed Mukai, Masato as Director
25 June 2026Resigned Yoshifuji, Shigeru as Director
25 June 2026Appointed Tanaka, Takuya as Director
25 June 2026Resigned Takahara, Ichiro as Director
25 June 2026Resigned Matsushige, Tadayuki as Director
25 June 2026Appointed Tokuma, Kensuke as Director
25 June 2026Appointed Komiya, Satoru as Director
30 April 2026Resigned Ochi, Toshiki as Director
1 April 2026Resigned Seki, Hiroyuki as Director
1 April 2026Resigned Sakurai, Takayuki as Director
1 April 2026Resigned Hori, Naoki as Director
27 November 2025Appointed Kimura, Koichiro as Director
28 June 2025Appointed Ueno, Yoshiaki as Director
26 June 2025Resigned Kitazawa, Toshifumi as Director
26 June 2025Appointed Sueoka, Akiko as Director
26 June 2025Resigned Mori, Hiroshi as Director
26 June 2025Appointed Osawa, Masakazu as Director
26 June 2025Resigned Shiotsuka, Keiichi as Director
26 June 2025Resigned Akita, Seiichiro as Director
26 June 2025Appointed Minami, Hiroshi as Director
26 June 2025Appointed Sakurai, Takayuki as Director
26 June 2025Appointed Shibahara, Setsuo as Director
25 June 2025Resigned Kato, Masahiko as Director
31 May 2025Resigned Tango, Takefumi as Director
26 June 2024Appointed Togawa, Jun as Director
26 June 2024Appointed Tanaka, Koichiro as Director
26 June 2024Resigned Suzuki, Takeshi as Director
26 June 2024Appointed Toyokawa, Yulia as Director
26 June 2024Appointed Yokomaku, Katsunori as Director
26 June 2024Resigned Monguchi, Masahito as Director
31 May 2024Resigned Hagio, Minoru as Director
1 April 2024Resigned Yokoyama, Shuichi as Director
1 April 2024Resigned Yonehana, Tetsuya as Director
1 October 2023Appointed Goto, Hiroshi as Director
28 June 2023Appointed Itagaki, Yasushi as Director
28 June 2023Appointed Akita, Seiichiro as Director
28 June 2023Resigned Hayashi, Naomi as Director
28 June 2023Appointed Shiotsuka, Keiichi as Director
28 June 2023Resigned Ohyagi, Shigeo as Director
28 June 2023Appointed Soutome, Minoru as Director
28 June 2023Appointed Tango, Takefumi as Director
4 June 2023Resigned Sasaki, Teruyuki as Director
31 May 2023Resigned Matsuoka, Kentaro as Director
29 May 2023Resigned Miyata, Atsushi as Director
1 April 2023Resigned Osawa, Masakazu as Director
1 April 2023Resigned Yamato, Kenichi as Director
28 June 2022Appointed Ochi, Toshiki as Director
28 June 2022Appointed Seki, Hiroyuki as Director
28 June 2022Resigned Miyachi, Masato as Director
28 June 2022Resigned Tatsumi, Fumikazu as Director
28 June 2022Appointed Yamato, Kenichi as Director
28 June 2022Appointed Yamamoto, Tadashi as Director
28 June 2022Appointed Takahara, Ichiro as Director
28 June 2022Appointed Nakahama, Fumitaka as Director
28 June 2022Appointed Takase, Hideaki, Dr as Director
28 June 2022Resigned Nakamura, Akihiko as Director
28 June 2022Resigned Futae, Takayoshi as Director
28 June 2022Appointed Matsuoka, Kentaro as Director
28 June 2022Appointed Yokoyama, Shuichi as Director
28 June 2022Resigned Kameda, Hiroki as Director
1 April 2022Resigned Kuwahara, Masahiro as Director
1 April 2022Resigned Taniguchi, Muneya as Director
28 June 2021Appointed Negishi, Akio as Director
28 June 2021Resigned Hamamoto, Akira as Director
28 June 2021Appointed Tsukiyama, Keitaro as Director
28 June 2021Resigned Matsuo, Kenji as Director
28 June 2021Appointed Miyata, Atsushi as Director
28 June 2021Appointed Sasaki, Teruyuki as Director
28 June 2021Appointed Hagio, Minoru as Director
28 June 2021Appointed Kato, Masahiko as Director
28 June 2021Resigned Yabuta, Kenji as Director
28 June 2021Resigned Ikeda, Masakazu as Director
11 May 2021Resigned Hirota, Naoto as Director
1 April 2021Resigned Sono, Kiyoshi as Director
25 June 2020Appointed Miyashita, Yutaka as Director
25 June 2020Resigned Fujisue, Hiroaki as Director
25 June 2020Appointed Yonehana, Tetsuya as Director
25 June 2020Appointed Osawa, Masakazu as Director
25 June 2020Appointed Suzuki, Takeshi as Director
31 March 2020Resigned Tokunari, Muneaki as Director
26 June 2019Appointed Yoshifuji, Shigeru as Director
26 June 2019Appointed Hanzawa, Junichi as Director
26 June 2019Appointed Futae, Takayoshi as Director
26 June 2019Appointed Taniguchi, Muneya as Director
26 June 2019Appointed Kitazawa, Toshifumi as Director
26 June 2019Appointed Kuwahara, Masahiro as Director
26 June 2019Appointed Mori, Hiroshi as Director
26 June 2019Resigned Sumi, Shuzo as Director
26 June 2019Appointed Kameda, Hiroki as Director
25 June 2019Resigned Yoshikawa, Eiichi as Director
24 June 2019Resigned Matsumoto, Nobuhiro as Director
10 June 2019Resigned Uchida, Kazuto as Director
27 June 2018Resigned Yamana, Takehiko as Director
27 June 2018Appointed Fujisue, Hiroaki as Director
27 June 2018Appointed Ohyagi, Shigeo as Director
27 June 2018Appointed Yabuta, Kenji as Director
27 June 2018Resigned Ebata, Makoto as Director
27 June 2018Appointed Miyachi, Masato as Director
27 June 2018Appointed Ikeda, Masakazu as Director
27 June 2018Appointed Nakamura, Akihiko as Director
27 June 2018Appointed Koide, Shinichi as Director
27 June 2018Appointed Hayashi, Naomi as Director
31 May 2018Resigned Nishio, Yukiyasu as Director
15 May 2018Resigned Murakami, Atsushi as Director
31 March 2018Resigned Araki, Saburo as Director
28 June 2017Appointed Uchida, Kazuto as Director
28 June 2017Resigned Sakamoto, Michiyoshi as Director
28 June 2017Appointed Matsumoto, Nobuhiro as Director
28 June 2017Appointed Matsushige, Tadayuki as Director
28 June 2017Resigned Oyamada, Takashi as Director
28 June 2016Appointed Sakamoto, Michiyoshi as Director
28 June 2016Appointed Hamamoto, Akira as Director
28 June 2016Appointed Yoshikawa, Eiichi as Director
28 June 2016Appointed Matsuo, Kenji as Director
28 June 2016Appointed Tatsumi, Fumikazu as Director
28 June 2016Appointed Yamana, Takehiko as Director
28 June 2016Appointed Monguchi, Masahito as Director
28 June 2016Appointed Hori, Naoki as Director
28 June 2016Appointed Ebata, Makoto as Director
28 June 2016Resigned Morimura, Takashi as Director
28 June 2016Appointed Sumi, Shuzo as Director
28 June 2016Appointed Tokunari, Muneaki as Director
28 June 2016Appointed Murakami, Atsushi as Director
28 June 2016Appointed Hirota, Naoto as Director
28 June 2016Appointed Nishio, Yukiyasu as Director
1 April 2016Appointed Oyamada, Takashi as Director
24 June 2015Resigned Osada, Tadachiyo as Director
26 June 2014Resigned Suzuki, Hitoshi as Director
27 June 2012Resigned Kakado, Tamotsu as Director
27 June 2012Appointed Osada, Tadachiyo as Director
27 June 2012Appointed Araki, Saburo as Director
27 June 2012Appointed Sono, Kiyoshi as Director
25 June 2012Resigned Hara, Takashi as Director
15 May 2012Resigned Oyamada, Takashi as Director
15 May 2012Resigned Fujii, Hidenobu as Director
28 June 2011Appointed Fujii, Hidenobu as Director
28 June 2011Appointed Morimura, Takashi as Director
28 June 2011Appointed Kakado, Tamotsu as Director
28 June 2011Appointed Hara, Takashi as Director
28 June 2011Appointed Oyamada, Takashi as Director
28 June 2011Appointed Suzuki, Hitoshi as Director