25 June 2026Resigned Shibata, Daigo as Director
25 June 2026Appointed Iijima, Yasushi as Director
26 June 2025Resigned Tamagawa, Hiroyuki as Director
26 June 2025Appointed Furunaga, Keiichi as Director
26 June 2025Resigned Sato, Yoshinori as Director
26 June 2025Appointed Furunaga, Keiichi as Secretary
26 June 2025Resigned Tamagawa, Hiroyuki as Secretary
26 June 2025Appointed Nakamura, Shingo as Director
10 July 2023Appointed Shibata, Daigo as Director
10 July 2023Resigned Nishio, Koichi as Director
10 July 2023Appointed Tamagawa, Hiroyuki as Secretary
10 July 2023Resigned Sato, Yoshinori as Secretary
7 June 2022Appointed Tamagawa, Hiroyuki as Director
7 June 2022Resigned Kanemitsu, Kiyoshi as Director
7 June 2022Resigned Seki, Kentaro as Director
7 June 2022Appointed Ono, Yuji as Director
28 June 2021Appointed Seki, Kentaro as Director
28 June 2021Appointed Nishio, Koichi as Director
28 June 2021Resigned Kumazaki, Shinya as Director
28 June 2021Resigned Kihira, Toru as Director
19 August 2019Resigned Tanaka, Yoshikazu as Director
19 August 2019Appointed Kumazaki, Shinya as Director
26 June 2019Resigned Yoshikawa, Makoto as Director
26 June 2019Appointed Kanemitsu, Kiyoshi as Director
26 June 2019Appointed Kihira, Toru as Director
26 June 2019Resigned Asuwa, Naoki as Director
22 March 2018Resigned Jones, Glyn Madoc as Director
21 March 2018Appointed Tanaka, Yoshikazu as Director
1 July 2017Resigned Seki, Kentaro as Secretary
1 July 2017Appointed Sato, Yoshinori as Director
1 July 2017Resigned Seki, Kentaro as Director
1 July 2017Appointed Sato, Yoshinori as Secretary
28 June 2016Resigned Oyamada, Mitsuhiro as Director
28 June 2016Appointed Yoshikawa, Makoto as Director
26 June 2013Appointed Seki, Kentaro as Director
26 June 2013Resigned Kobayashi, Katsutoshi as Director
26 June 2013Resigned Kobayashi, Katsutoshi as Secretary
26 June 2013Appointed Seki, Kentaro as Secretary
28 June 2011Appointed Kobayashi, Katsutoshi as Director
28 June 2011Appointed Asuwa, Naoki as Director
28 June 2011Appointed Kobayashi, Katsutoshi as Secretary
28 June 2011Resigned Matsumoto, Takashi as Director
28 June 2011Resigned Matsumoto, Takashi as Secretary
28 June 2011Resigned Wakao, Naofumi as Director
11 July 2008Appointed Oyamada, Mitsuhiro as Director
19 July 2007Resigned Yaguchi, Shin as Secretary
19 July 2007Resigned Yaguchi, Shin as Director
19 July 2007Appointed Matsumoto, Takashi as Secretary
31 May 2006Resigned Maynard, Frank Trevor as Director
24 May 2006Appointed Jones, Glyn Madoc as Director
15 August 2005Resigned Yokomizo, Toyohiko as Director
15 August 2005Appointed Wakao, Naofumi as Director
1 September 2004Resigned Iimura, Kazunori as Secretary
1 September 2004Resigned Iimura, Kazunori as Director
1 September 2004Appointed Yaguchi, Shin as Secretary
1 September 2004Appointed Yaguchi, Shin as Director
31 October 2002Resigned Head, John Alfred as Director
28 June 2002Resigned Horie, Yasushi as Director
28 June 2002Resigned Tanaka, Yoshinori as Director
28 June 2002Appointed Matsumoto, Takashi as Director
28 June 2002Appointed Yokomizo, Toyohiko as Director
29 June 2000Appointed Iimura, Kazunori as Secretary
29 June 2000Resigned Morimoto, Hiroshi as Director
29 June 2000Appointed Iimura, Kazunori as Director
29 June 2000Appointed Tanaka, Yoshinori as Director
29 June 2000Resigned Nishiura, Hirotaka as Director
29 June 2000Appointed Horie, Yasushi as Director
29 June 2000Resigned Morimoto, Hiroshi as Secretary
1 September 1997Appointed Nishiura, Hirotaka as Director
1 September 1997Resigned Inagawa, Toshihiko as Director
15 July 1997Resigned Nakagawa, Hiromoto as Secretary
15 July 1997Appointed Morimoto, Hiroshi as Secretary
15 July 1997Resigned Nakagawa, Hiromoto as Director
15 July 1997Appointed Morimoto, Hiroshi as Director
2 October 1995Resigned Ohama, Kimio as Secretary
2 October 1995Appointed Nakagawa, Hiromoto as Secretary
2 October 1995Resigned Ohama, Kimio as Director
2 October 1995Appointed Nakagawa, Hiromoto as Director
1 July 1995Resigned Ueno, Shinzo as Director
1 July 1995Appointed Inagawa, Toshihiko as Director
17 June 1993Resigned Okuno, Takumi as Director