1 April 2026Resigned Kumagai, Kazuya as Director
1 October 2025Resigned Morikawa, Hiroshi as Director
1 April 2025Resigned Takahashi, Kiyoshi as Director
1 April 2025Appointed Mikuni, Atsushi as Director
1 April 2025Appointed Okada, Ai as Director
1 April 2024Appointed Noguchi, Tomoya as Director
1 April 2024Appointed Morikawa, Hiroshi as Director
1 April 2024Resigned Kagawa, Tsutomu as Director
29 February 2024Appointed Kumagai, Kazuya as Director
29 February 2024Resigned Nakama, Yuji as Director
1 August 2022Resigned Suzuki, Takeshi as Director
1 August 2022Appointed Nakama, Yuji as Director
1 August 2022Resigned Ogino, Ritsuko as Director
15 February 2022Appointed Takahashi, Kiyoshi as Director
1 June 2021Resigned Tsujimoto, Jun as Director
1 June 2021Appointed Kagawa, Tsutomu as Director
1 July 2020Appointed Suzuki, Takeshi as Director
1 July 2020Resigned Morikawa, Akira as Director
28 February 2020Resigned Proctor, Matthew Robert as Director
1 April 2019Appointed Morikawa, Akira as Director
1 April 2019Resigned Ino, Mitsuru as Director
13 December 2018Appointed Tsujimoto, Jun as Director
13 December 2018Resigned Kano, Hisayoshi as Director
9 February 2017Appointed Proctor, Matthew Robert as Director
9 February 2017Resigned Abe, Akira as Director
1 October 2016Appointed Ogino, Ritsuko as Director
22 October 2015Appointed Ino, Mitsuru as Director
22 October 2015Resigned Terashima, Tatsuya as Director
23 September 2014Resigned Yoshimura, Shugo as Director
23 September 2014Appointed Kano, Hisayoshi as Director
20 September 2012Resigned Kurimoto, Hiroya as Director
20 September 2012Appointed Terashima, Tatsuya as Director
19 September 2011Resigned Tachibana, Kanehiko as Director
19 September 2011Appointed Yoshimura, Shugo as Director
19 September 2011Appointed Abe, Akira as Director
20 September 2010Appointed Kurimoto, Hiroya as Director
20 September 2010Resigned Okada, Tomohiko as Director
15 September 2008Appointed Okada, Tomohiko as Director
15 September 2008Appointed Tachibana, Kanehiko as Director
15 September 2008Resigned Kazao, Yukihiko as Director
15 September 2008Resigned Ogawa, Takayuki as Director
17 September 2007Resigned Hironaka, Satoshi as Director
17 September 2007Appointed Kazao, Yukihiko as Director
19 September 2006Appointed Hironaka, Satoshi as Director
19 September 2006Appointed Ogawa, Takayuki as Director
19 September 2006Resigned Ohashi, Kenchi as Director
19 September 2006Resigned Iijima, Takakuni as Director
1 October 2004Appointed Ohashi, Kenchi as Director
1 October 2004Resigned Uzawa, Toshio as Director
1 October 2003Resigned Yamada, Tadaharu as Director
1 October 2003Resigned Sento, Yoshihiko as Director
1 October 2003Appointed Iijima, Takakuni as Director
1 October 2003Resigned Tsunogai, Yoshimitsu as Director
1 October 2003Resigned Koga, Takaya as Director
1 August 2002Appointed Yamada, Tadaharu as Director
1 August 2002Resigned Matsuo, Shu as Director
1 September 2000Appointed Matsuo, Shu as Director
23 September 1999Resigned Talerman, Terence as Secretary
1 July 1999Resigned Yamaguchi, Kenzo as Director
1 July 1999Appointed Tsunogai, Yoshimitsu as Director
1 July 1999Appointed Koga, Takaya as Director
1 July 1999Resigned Ozaki, Yasuo as Director
1 June 1999Resigned Yamakawa, Shigenori as Director
1 June 1999Appointed Sento, Yoshihiko as Director
31 October 1998Resigned Sakashita, Shigeo as Secretary
31 October 1998Appointed Talerman, Terence as Secretary
21 October 1998Resigned Sakashita, Shigeo as Director
16 July 1998Resigned Asano, Akira as Director
16 July 1998Appointed Uzawa, Toshio as Director
1 June 1998Resigned Yoshikawa, Masaru as Director
1 June 1998Appointed Yamaguchi, Kenzo as Director
1 April 1998Appointed Ozaki, Yasuo as Director
1 May 1997Resigned Ohashi, Kenichi as Director
1 July 1996Appointed Yamakawa, Shigenori as Director
1 July 1996Appointed Yoshikawa, Masaru as Director
1 July 1996Resigned Nakazawa, Mochihiro as Director
1 July 1996Resigned Ueno, Kozo as Director
1 July 1996Resigned Sugizaki, Teruyuki as Director
16 October 1995Appointed Sakashita, Shigeo as Secretary
1 April 1995Appointed Ohashi, Kenichi as Director
11 July 1994Appointed Sakashita, Shigeo as Director
26 May 1994Resigned Matsuo, Shu as Director
1 April 1994Appointed Nakazawa, Mochihiro as Director
1 April 1994Resigned Sasaki, Tomohiko as Director
1 November 1993Resigned Pattison, Michael Langston as Secretary
1 October 1993Resigned Yoshida, Hiroyuki as Director
2 April 1993Appointed Matsuo, Shu as Director
2 April 1993Resigned Matsuo, Shu as Director
1 April 1993Appointed Asano, Akira as Director
1 April 1993Resigned Godd, Hideo as Director