1 April 2026Appointed Tsuzuki, Takamasa as Director
1 April 2026Resigned Miyata, Yasuhiro as Director
1 April 2026Resigned Ban, Ritaro as Director
1 April 2025Resigned Saeki, Tatsuo as Director
1 April 2025Appointed Miyata, Yasuhiro as Director
1 April 2023Appointed Saeki, Tatsuo as Director
1 April 2023Appointed Ban, Ritaro as Director
1 April 2023Resigned Kawakami, Tetsuji as Director
8 April 2022Resigned Aoyama, Susumu as Secretary
8 April 2022Appointed Masubuchi, Yohei, Mr. as Secretary
1 April 2021Resigned Sato, Hiroshi as Director
1 March 2021Resigned Tatematsu, Kazuhiro as Director
1 April 2020Appointed Kawakami, Tetsuji as Director
1 April 2020Resigned Shiokawa, Hiroaki, Mr. as Director
6 January 2020Appointed Tatematsu, Kazuhiro as Director
6 January 2020Resigned Nishikage, Masazumi as Director
1 April 2019Resigned Umino, Mitsuru, Mr. as Director
1 April 2019Appointed Nishikage, Masazumi as Director
1 April 2019Appointed Sato, Hiroshi as Director
3 July 2017Appointed Umino, Mitsuru, Mr. as Director
3 July 2017Resigned Kurata, Ichiro, Mr. as Director
18 April 2017Resigned Miyoshi, Toshikazu as Secretary
18 April 2017Appointed Aoyama, Susumu as Secretary
3 April 2017Appointed Shiokawa, Hiroaki, Mr. as Director
2 April 2017Resigned Fukushima, Yoshihiro as Director
30 April 2016Resigned Hirano, Ikuya as Director
1 April 2016Appointed Kurata, Ichiro, Mr. as Director
31 March 2016Resigned Iguchi, Hidenori as Director
1 April 2015Appointed Fukushima, Yoshihiro as Director
1 April 2015Appointed Iguchi, Hidenori as Director
31 March 2015Resigned Miura, Shoji as Director
16 April 2014Appointed Hirano, Ikuya as Director
11 April 2013Appointed Miura, Shoji as Director
23 April 2012Appointed Miyoshi, Toshikazu as Secretary
23 April 2012Resigned Morita, Eiji as Secretary
1 May 2009Resigned Yoshino, Hiroyuki as Director
9 March 2006Appointed Yoshino, Hiroyuki as Director
23 February 2006Resigned Sonoda, Yoichi as Director
3 June 2005Appointed Morita, Eiji as Secretary
3 June 2005Resigned Oyaizu, Toshiyuki as Secretary
7 April 2003Appointed Sonoda, Yoichi as Director
7 April 2003Resigned Kumekawa, Takeshi as Director
28 March 2002Resigned Chai, Jay W as Director
8 November 2001Resigned Yamanaka, Toshimasa as Secretary
8 November 2001Resigned Yamanaka, Toshimasa as Director
8 November 2001Appointed Oyaizu, Toshiyuki as Secretary
24 May 2001Appointed Kumekawa, Takeshi as Director
18 June 1999Appointed Yamanaka, Toshimasa as Secretary
18 June 1999Appointed Yamanaka, Toshimasa as Director
18 June 1999Resigned Suzuki, Koichi as Director
18 June 1999Resigned Suzuki, Koichi as Secretary
12 May 1997Appointed Chai, Jay W as Director
8 May 1997Resigned Takehara, Masakazu as Director
1 January 1997Appointed Suzuki, Koichi as Secretary
1 January 1997Appointed Suzuki, Koichi as Director
1 January 1997Resigned Takehara, Masakazu as Secretary
30 August 1996Resigned Chai, Jay W as Director
1 August 1996Appointed Takehara, Masakazu as Secretary
3 April 1995Appointed Takehara, Masakazu as Director
3 April 1995Resigned Yagi, Katsuhiko as Director
21 August 1994Resigned Mikuriya, Shozu as Director
1 April 1994Appointed Chai, Jay W as Director
22 July 1993Appointed Yagi, Katsuhiko as Director
22 July 1993Appointed Mikuriya, Shozu as Director
22 July 1993Resigned Tajiri, Kunio as Director