24 June 2026Appointed Hayakawa, Seiji as Director
24 June 2026Resigned Koyama, Katsuyuki as Director
1 April 2026Appointed Koike, Takayuki as Director
1 April 2026Resigned Yoshizawa, Kenji as Director
19 June 2024Appointed Yoshizawa, Kenji as Director
1 April 2024Resigned Oyamada, Wataru as Secretary
1 April 2024Appointed Tomizuka, Koichi as Secretary
1 April 2024Resigned Oyamada, Wataru as Director
1 April 2020Appointed Nanao, Shingo as Director
1 April 2020Resigned Saito, Hajime as Director
1 April 2019Appointed Koyama, Katsuyuki as Director
1 April 2019Resigned Honda, Kazuo as Director
1 April 2016Appointed Tomizuka, Koichi as Director
1 April 2016Appointed Honda, Kazuo as Director
1 April 2016Appointed Matsuo, Masahiro as Director
1 April 2016Resigned Shimazaki, Akira as Director
1 September 2014Appointed Oyamada, Wataru as Secretary
1 September 2014Appointed Oyamada, Wataru as Director
1 September 2014Resigned Ogawa, Harunobu as Secretary
1 September 2014Resigned Ogawa, Harunobu as Director
26 June 2012Appointed Saito, Hajime as Director
26 June 2012Resigned Kawabe, Natsuki as Director
1 October 2007Resigned Iwakawa, Kazumasa as Director
1 October 2007Appointed Shimazaki, Akira as Director
23 June 2006Appointed Iwakawa, Kazumasa as Director
23 June 2006Resigned Norose, Noborn as Director
23 June 2006Resigned Shibuya, Tatsuo as Director
1 November 2005Appointed Ogawa, Harunobu as Secretary
1 November 2005Resigned Takagi, Yasou as Secretary
1 October 2005Resigned Takagi, Yasou as Director
25 August 2004Appointed Ogawa, Harunobu as Director
24 August 2004Resigned Yokota, Yoshiyuki as Director
2 September 2002Appointed Norose, Noborn as Director
1 April 2002Resigned Nishio, Hitoshi as Director
1 April 2002Resigned Ogawa, Harunobu as Director
1 April 2002Appointed Yokota, Yoshiyuki as Director
5 July 2001Resigned Nogami, Soichi as Director
5 July 2001Resigned Fujii, Kenichiro as Director
28 June 2001Appointed Shibuya, Tatsuo as Director
28 June 2001Appointed Nishio, Hitoshi as Director
29 June 2000Appointed Kawabe, Natsuki as Director
29 June 2000Resigned Masunari, Hajime as Director
29 June 2000Resigned Ogawa, Mikio as Director
29 June 2000Appointed Ogawa, Harunobu as Director
26 June 1998Appointed Masunari, Hajime as Director
26 June 1998Resigned Ichinoki, Norio as Director
26 June 1998Appointed Takagi, Yasou as Secretary
26 June 1998Appointed Takagi, Yasou as Director
26 June 1998Resigned Tsukinari, Keiichi as Secretary
26 June 1998Resigned Tsukinari, Keiichi as Director
27 June 1997Appointed Ogawa, Mikio as Director
27 June 1997Appointed Ichinoki, Norio as Director
1 September 1996Appointed Tsukinari, Keiichi as Secretary
1 September 1996Appointed Tsukinari, Keiichi as Director
1 September 1996Appointed Fujii, Kenichiro as Director
1 September 1996Appointed Nogami, Soichi as Director