27 April 2026Appointed Moriya, Kei as Director
9 April 2026Appointed Zukeyama, Manami as Director
1 April 2026Resigned Nishinaga, Akihiko as Director
1 April 2025Resigned Tsukamoto, Yasushi as Director
1 April 2025Appointed Hopkins, Simon Timothy as Director
1 April 2025Appointed Nara, Yasuhiro as Director
1 April 2025Resigned Sotome, Kazuhiko as Director
1 April 2025Appointed Nishinaga, Akihiko as Director
1 April 2024Resigned Tamaki, Toru as Director
1 April 2024Appointed Miyachi, Seiichi as Director
1 October 2021Appointed Tsukamoto, Yasushi as Director
30 September 2021Resigned Takahashi, Masahiro as Director
16 September 2020Appointed Russell, Hayley Dawn as Secretary
16 September 2020Resigned Beyer, Richard Carl as Secretary
24 April 2020Resigned Katayama, Hiroyuki as Director
24 April 2020Appointed Sotome, Kazuhiko as Director
14 August 2019Appointed Takahashi, Masahiro as Director
28 June 2019Appointed Tamaki, Toru as Director
28 June 2019Resigned Madarame, Tetsuji as Director
24 April 2018Appointed Katayama, Hiroyuki as Director
24 April 2018Resigned Masaki, Motoyuki as Director
1 April 2015Resigned Takeda, Toshiaki as Director
1 April 2015Appointed Beyer, Richard Carl as Secretary
1 April 2013Appointed Madarame, Tetsuji as Director
1 April 2013Resigned Katohno, Mamoru as Director
1 April 2012Resigned Nakamura, Tomohiro as Director
1 April 2012Appointed Masaki, Motoyuki as Director
1 April 2011Appointed Katohno, Mamoru as Director
1 April 2011Resigned Usui, Yasuyuki as Director
1 April 2010Resigned Izumiyama, Chikara as Director
1 April 2010Appointed Nakamura, Tomohiro as Director
1 April 2009Resigned Nireki, Takashi as Director
1 April 2009Resigned Yamafuji, Hiroshi as Director
1 April 2009Appointed Takeda, Toshiaki as Director
3 February 2009Appointed Nireki, Takashi as Director
3 February 2009Appointed Yamafuji, Hiroshi as Director
3 February 2009Appointed Izumiyama, Chikara as Director
3 February 2009Appointed Usui, Yasuyuki as Director