1 April 2025Appointed Okada, Kazuhiro as Director
1 April 2025Appointed Okawa, Tatsuya as Director
1 April 2025Appointed Kakimoto, Tetsu as Director
1 April 2025Resigned Kimura, Takashi as Director
1 April 2025Resigned Fujita, Seiji as Director
1 April 2025Resigned Takayama, Shin as Director
1 September 2023Appointed Komiya, Masahiro as Director
31 August 2023Resigned Akahane, Nobuyuki as Director
1 April 2022Appointed Takayama, Shin as Director
1 April 2022Resigned Komoguchi, Toru as Director
1 April 2022Appointed Kimura, Takashi as Director
1 April 2022Resigned Suzuki, Tomu as Director
1 April 2021Resigned Okada, Kazuhiro as Director
1 April 2021Appointed Katsukawa, Naomi as Director
12 June 2020Appointed Akahane, Nobuyuki as Director
12 June 2020Resigned Kimura, Takashi as Director
1 April 2020Appointed Fujita, Seiji as Director
1 April 2020Resigned Okabe, Yukihiro as Director
1 April 2020Appointed Suzuki, Tomu as Director
1 April 2020Appointed Okada, Kazuhiro as Director
1 April 2020Resigned Hammill, Michael as Secretary
1 April 2019Appointed Okabe, Yukihiro as Director
1 April 2019Resigned Shimura, Naoyuki as Director
6 April 2018Appointed Shimura, Naoyuki as Director
6 April 2018Resigned Okawa, Tatsuya as Director
1 July 2017Appointed Kimura, Takashi as Director
1 July 2017Resigned Masumoto, Ken as Director
1 April 2017Appointed Hammill, Michael as Secretary
1 April 2017Resigned Yamasaki, Kentaro as Secretary
21 April 2015Resigned Yamaguchi, Jun as Director
21 April 2015Appointed Okawa, Tatsuya as Director
1 April 2014Appointed Komoguchi, Toru as Director
1 April 2014Resigned Kasai, Shinji as Director
1 April 2013Appointed Yamasaki, Kentaro as Secretary
1 June 2012Resigned Komoguchi, Toru as Director
1 June 2012Appointed Masumoto, Ken as Director
1 April 2012Resigned Omuro, Katsuhide as Director
1 April 2012Appointed Kasai, Shinji as Director
1 April 2011Resigned Hino, Hirotaka as Director
1 April 2011Appointed Omuro, Katsuhide as Director
1 April 2010Resigned Hori, Akikazu as Director
1 April 2010Appointed Hino, Hirotaka as Director
14 April 2009Appointed Komoguchi, Toru as Director
14 April 2009Resigned Okawa, Tatsuya as Director
15 May 2008Resigned Yasuoka, Nobuyuki as Director
15 May 2008Appointed Yamaguchi, Jun as Director
2 April 2007Appointed Okawa, Tatsuya as Director
2 April 2007Resigned Akahane, Nobuyuki as Director
1 April 2006Appointed Hori, Akikazu as Director
1 April 2006Resigned Motoda, Ken as Director
1 April 2003Appointed Yasuoka, Nobuyuki as Director
1 April 2002Resigned Asada, Teruo as Director
1 April 2002Appointed Akahane, Nobuyuki as Director
1 April 2002Resigned Hori, Akikazu as Director
1 April 2002Appointed Motoda, Ken as Director
1 April 2002Resigned Yamaguchi, Jun as Director
2 April 2001Resigned Nakatsuka, Ochiro as Director
2 April 2001Appointed Asada, Teruo as Director
20 March 2001Resigned Yamashita, Tsutomu as Director
28 July 2000Appointed Nakatsuka, Ochiro as Director
28 July 2000Resigned Kuriki, Eiki as Director
28 July 2000Appointed Yamaguchi, Jun as Director
1 December 1999Resigned Ishibashi, Yoshio as Director
1 April 1997Appointed Kuriki, Eiki as Director
31 March 1997Resigned Morita, Ken as Director
29 April 1996Appointed Ishibashi, Yoshio as Director
29 April 1996Appointed Hori, Akikazu as Director
29 April 1996Resigned Tsuda, Seitaro as Director
19 April 1996Appointed Yamashita, Tsutomu as Director
9 May 1995Appointed Morita, Ken as Director
9 May 1995Resigned Ichihara, Hiroyuki as Director
9 May 1994Resigned Murakami, Toshiaki as Director
14 October 1992Resigned Matsunaga, Shigemi as Director
20 May 1992Resigned Ohmomo, Seiichi as Director