1 July 2026Resigned Inoue, Yosuke as Director
1 July 2026Appointed Banno, Kazunori as Director
1 July 2025Appointed Koizumi, Shunichiro as Director
1 July 2025Resigned Takakuwa, Hiroe as Director
1 July 2024Appointed Inoue, Yosuke as Director
1 July 2024Resigned Ikai, Masao as Director
1 July 2024Resigned Ueno, Naoyuki as Director
1 July 2024Appointed Oshi, Tomoko as Director
1 July 2022Appointed Takakuwa, Hiroe as Director
1 July 2022Resigned Iwano, Masanori as Director
1 July 2021Appointed Ikai, Masao as Director
1 July 2021Resigned Sawabe, Yoshio as Director
1 August 2020Appointed Ueno, Naoyuki as Director
31 July 2020Resigned Araki, Shigeru as Director
1 July 2020Appointed Sawabe, Yoshio as Director
1 July 2020Appointed Iwano, Masanori as Director
30 June 2020Resigned Iwashita, Kenichi as Director
30 June 2020Resigned Joke, Hirokazu as Director
1 July 2019Appointed Iwashita, Kenichi as Director
30 June 2019Resigned Okumura, Masashi as Director
1 July 2018Appointed Joke, Hirokazu as Director
30 June 2018Resigned Ishikawa, Koji as Director
1 August 2016Resigned Hatta, Yoshinori as Secretary
1 August 2016Appointed Araki, Shigeru as Director
1 August 2016Resigned Hatta, Yoshinori as Director
1 July 2016Resigned Hayakawa, Takehito, Mr. as Director
1 July 2016Appointed Ishikawa, Koji as Director
1 July 2014Appointed Hayakawa, Takehito, Mr. as Director
1 July 2014Resigned Yamaguchi, Nobuki as Director
26 July 2013Appointed Okumura, Masashi as Director
26 June 2013Resigned Okabe, Masayuki as Director
1 July 2012Appointed Hatta, Yoshinori as Secretary
1 July 2012Resigned Yoshida, Soichi as Director
1 July 2012Appointed Hatta, Yoshinori as Director
1 July 2012Appointed Yamaguchi, Nobuki as Director
1 July 2012Resigned Nakamura, Akihiko as Director
1 July 2012Appointed Okabe, Masayuki as Director
30 June 2012Resigned Yamaguchi, Kazugo as Director
1 July 2011Appointed Yamaguchi, Kazugo as Director
1 July 2011Resigned Anzai, Toshihiro as Director
1 July 2010Appointed Yoshida, Soichi as Director
1 July 2010Appointed Anzai, Toshihiro as Director
1 July 2010Resigned Fukatami, Tomoko as Director
1 July 2010Resigned Kono, Syunsuke as Director
19 July 2008Appointed Nakamura, Akihiko as Director
19 July 2008Resigned Hashimoto, Takao as Director
18 July 2008Resigned Hashimoto, Takao as Secretary
1 July 2008Appointed Kono, Syunsuke as Director
1 July 2008Resigned Kosaka, Tomoaki as Director
1 July 2008Resigned Matsushita, Shin as Director
1 July 2008Appointed Fukatami, Tomoko as Director
1 July 2006Appointed Matsushita, Shin as Director
1 July 2006Resigned Sakurai, Takaaki as Director
1 July 2006Appointed Kosaka, Tomoaki as Director
1 July 2006Resigned Yamada, Horomi as Director
1 March 2005Appointed Sakurai, Takaaki as Director
1 March 2005Resigned Okajima, Kosei as Director
1 July 2004Appointed Yamada, Horomi as Director
1 July 2004Appointed Hashimoto, Takao as Director
1 July 2004Appointed Hashimoto, Takao as Secretary
1 July 2004Resigned Ono, Takashi as Director
1 July 2003Appointed Okajima, Kosei as Director
1 July 2003Resigned Nakura, Nobuhisa as Director
1 July 2002Appointed Nakura, Nobuhisa as Director
1 July 2002Resigned Kashiwagi, Hirofumi as Director
28 June 2000Appointed Kashiwagi, Hirofumi as Director
28 June 2000Appointed Ono, Takashi as Director
28 June 2000Resigned Umemoto, Kaoru as Director
17 May 1999Resigned Kobayashi, Sadaya as Secretary
17 May 1999Resigned Kobayashi, Sadaya as Director
1 June 1996Appointed Umemoto, Kaoru as Director
1 June 1996Resigned Kono, Masayuki as Director
3 March 1995Appointed Kobayashi, Sadaya as Secretary
3 March 1995Appointed Kobayashi, Sadaya as Director
3 March 1995Resigned Nakayama, Osamu as Secretary
3 March 1995Resigned Nakayama, Osamu as Director
20 June 1994Appointed Kono, Masayuki as Director
20 June 1994Resigned Shozawa, Okio as Director