1 April 2026Appointed Takeda, Norihiro as Director
29 April 2025Resigned Osada, Yuma as Secretary
29 April 2025Appointed Tamura, Tomotaka as Secretary
1 April 2025Appointed Nakamura, Masaru as Director
1 April 2025Resigned Matsumura, Satomi as Director
1 April 2025Appointed Shimada, Kazuhiro as Director
1 April 2025Appointed Ando, Kota as Director
1 April 2025Resigned Shirai, Michiaki as Director
1 April 2025Resigned Watanabe, Yoshinori as Director
1 April 2023Appointed Matsumura, Satomi as Director
1 April 2023Appointed Osada, Yuma as Secretary
1 April 2023Resigned Kubota, Isao as Director
1 April 2023Resigned Yabuki, Yuichiro, Mr. as Secretary
1 April 2022Resigned Matsuki, Hisashi as Director
1 April 2022Resigned Kudo, Tomoaki as Director
1 April 2022Appointed Watanabe, Yoshinori as Director
1 April 2022Appointed Kubota, Isao as Director
1 April 2022Resigned Nagato, Yoshiyuki as Director
1 April 2021Resigned Yagi, Nobutaka as Director
1 April 2021Appointed Yabuki, Yuichiro, Mr. as Secretary
1 April 2021Appointed Shirai, Michiaki as Director
1 April 2021Resigned Matsuyama, Kazuo as Secretary
1 April 2021Appointed Matsuki, Hisashi as Director
1 April 2021Resigned Kubota, Isao as Director
1 April 2020Appointed Kubota, Isao as Director
1 April 2020Appointed Nagato, Yoshiyuki as Director
1 April 2020Appointed Yagi, Nobutaka as Director
1 April 2020Appointed Matsuyama, Kazuo as Secretary
1 April 2020Resigned Matsumura, Satomi as Director
1 April 2020Resigned Maeda, Minoru as Secretary
1 April 2020Resigned Hashimoto, Kazunori, Mr. as Director
1 April 2020Resigned Kumabe, Akira, Mr. as Director
1 April 2019Appointed Kudo, Tomoaki as Director
1 April 2019Resigned Aoki, Keisuke as Director
1 April 2019Appointed Matsumura, Satomi as Director
1 April 2018Appointed Hashimoto, Kazunori, Mr. as Director
1 April 2018Appointed Kumabe, Akira, Mr. as Director
1 April 2018Resigned Sato, Tsutomu as Director
1 April 2018Resigned Mimori, Haruo as Director
1 April 2017Resigned Nishimura, Tatsuo as Secretary
1 April 2017Appointed Maeda, Minoru as Secretary
1 April 2016Appointed Sato, Tsutomu as Director
1 April 2016Appointed Aoki, Keisuke as Director
1 April 2016Resigned Yamauchi, Kazunori as Director
1 April 2016Resigned Fujimoto, Taro as Director
1 April 2015Resigned Sasaki, Takashi as Director
1 April 2015Appointed Mimori, Haruo as Director
1 April 2014Resigned Kodama, Yoshimichi as Director
1 April 2014Appointed Sasaki, Takashi as Director
1 April 2014Resigned Shiotsuki, Ken as Director
1 April 2013Appointed Fujimoto, Taro as Director
1 April 2013Appointed Yamauchi, Kazunori as Director
31 March 2013Resigned Shimizu, Hiroki as Director
31 March 2013Resigned Aratani, Masao as Director
1 April 2012Appointed Nishimura, Tatsuo as Secretary
1 April 2012Resigned Yamashita, Toshihiko as Director
1 April 2012Appointed Aratani, Masao as Director
1 April 2012Resigned Shirai, Michiaki as Secretary
1 April 2010Appointed Shimizu, Hiroki as Director
1 April 2010Appointed Shiotsuki, Ken as Director
31 March 2010Resigned Nakajima, Kosuke as Director
1 April 2008Appointed Yamashita, Toshihiko as Director
1 April 2008Appointed Kodama, Yoshimichi as Director
1 April 2008Resigned Namiki, Tsukasa as Director
1 April 2008Resigned Hori, Toshiyuki as Director
1 April 2007Resigned Hayashi, Shu as Director
1 April 2007Appointed Shirai, Michiaki as Secretary
1 April 2007Resigned Yabumoto, Naoya as Secretary
1 April 2006Resigned Umegaki, Hirofumi as Director
1 April 2006Appointed Nakajima, Kosuke as Director
1 December 2005Resigned Hayashi, Shu as Secretary
1 December 2005Appointed Hayashi, Shu as Director
1 December 2005Appointed Yabumoto, Naoya as Secretary
1 December 2005Resigned Hattori, Hideaki as Director
1 April 2005Resigned Ishikawa, Masahide as Director
1 April 2005Appointed Hori, Toshiyuki as Director
1 October 2004Appointed Namiki, Tsukasa as Director
1 October 2004Resigned Oikawa, Ken as Director
1 January 2004Appointed Hattori, Hideaki as Director
1 January 2004Appointed Hayashi, Shu as Secretary
1 January 2004Appointed Ishikawa, Masahide as Director
1 January 2004Appointed Umegaki, Hirofumi as Director
1 January 2004Resigned Koda, Ikuhisa as Secretary
1 January 2004Resigned Yusa, Shigeyuki as Director
1 January 2004Resigned Namiki, Tsukasa as Director
1 January 2004Appointed Oikawa, Ken as Director
1 April 2003Appointed Yusa, Shigeyuki as Director
1 May 2002Resigned Kawaguchi, Yuichiro as Director
1 May 2002Appointed Namiki, Tsukasa as Director
1 April 2001Resigned Ishikawa, Masahide as Director
1 April 2001Appointed Kawaguchi, Yuichiro as Director
1 April 2001Appointed Koda, Ikuhisa as Secretary
1 April 2001Resigned Asai, Minoru as Secretary
1 April 2000Appointed Ishikawa, Masahide as Director
1 April 2000Resigned Fujimura, Hideya as Director
1 October 1999Appointed Fujimura, Hideya as Director
1 October 1999Resigned Nagata, Makoto as Director
1 April 1999Resigned Okamoto, Hiromi as Director
1 April 1998Appointed Nagata, Makoto as Director
1 April 1998Resigned Mitsui, Ryoichi as Director
1 April 1997Appointed Mitsui, Ryoichi as Director
1 April 1997Resigned Maeda, Tetsuro as Director
1 April 1996Appointed Asai, Minoru as Secretary
1 April 1996Appointed Okamoto, Hiromi as Director
1 April 1996Resigned Wada, Yasushi as Secretary
1 April 1996Resigned Hatano, Minoru as Director
1 April 1996Appointed Maeda, Tetsuro as Director
1 April 1996Resigned Nakano, Akihiko as Director
1 April 1995Resigned Murayama, Junki as Director
1 April 1995Resigned Mori, Shinkichi as Director
1 April 1995Appointed Hatano, Minoru as Director
1 April 1993Appointed Murayama, Junki as Director
1 April 1993Appointed Nakano, Akihiko as Director
1 April 1993Resigned Sunada, Hiromitsu as Director
1 April 1993Resigned Yaguchi, Akihiko as Director