1 February 2026Appointed Hattori, Mari as Secretary
1 February 2026Appointed Hattori, Mari as Director
1 February 2026Resigned Kato, Hiroko as Secretary
1 February 2026Appointed Chung, Yen Lin as Secretary
1 April 2025Appointed Iguchi, Kazuhiro as Director
31 March 2025Resigned Kokaze, Yasushi as Director
31 March 2023Resigned Takani, Hidemi as Director
18 July 2022Appointed Kato, Hiroko as Secretary
17 July 2022Resigned Suehiro, Masafumi as Secretary
1 April 2022Appointed Takani, Hidemi as Director
31 March 2022Resigned Miyamoto, Manabu as Director
1 April 2021Appointed Miyamoto, Manabu as Director
31 March 2021Resigned Nakagawa, Katsuhiro as Director
31 March 2021Resigned Anzai, Yasushi as Director
1 October 2020Appointed Kokaze, Yasushi as Director
30 September 2020Resigned Kurimoto, Satoshi as Director
1 April 2020Appointed Nakagawa, Katsuhiro as Director
31 March 2020Resigned Iida, Haruhisa as Director
25 October 2018Appointed Suehiro, Masafumi as Secretary
24 October 2018Resigned Hamada, Yoshikazu as Secretary
1 April 2018Appointed Anzai, Yasushi as Director
31 March 2018Resigned Yoshida, Shuichi as Director
1 April 2017Appointed Iida, Haruhisa as Director
31 March 2017Resigned Tokuda, Norio as Director
13 March 2017Resigned Suehiro, Masafumi as Secretary
13 March 2017Appointed Hamada, Yoshikazu as Secretary
1 October 2016Appointed Kurimoto, Satoshi as Director
30 September 2016Resigned Yamada, Yoshiki as Director
1 April 2015Appointed Tokuda, Norio as Director
31 March 2015Resigned Fujitani, Yasuyuki as Director
22 May 2014Resigned Okano, Katsuya as Director
22 May 2014Appointed Yoshida, Shuichi as Director
17 July 2013Appointed Yamada, Yoshiki as Director
17 July 2013Resigned Okinaga, Yoshinobu as Director
4 March 2013Appointed Okano, Katsuya as Director
4 March 2013Appointed Fujitani, Yasuyuki as Director
12 January 2013Appointed Suehiro, Masafumi as Secretary
12 January 2013Resigned Ito, Masanobu as Secretary
23 June 2011Resigned Ito, Masaki as Director
1 April 2011Resigned Kitahara, Takashi as Director
1 March 2010Appointed Ito, Masanobu as Secretary
1 May 2009Resigned Ike, Eiji as Director
1 May 2009Appointed Ito, Masaki as Director
1 August 2008Appointed Okinaga, Yoshinobu as Director
1 August 2008Resigned Kohata, Yoshinori as Director
1 April 2008Appointed Kitahara, Takashi as Director
1 May 2007Appointed Kohata, Yoshinori as Director
1 May 2007Appointed Ike, Eiji as Director
1 May 2007Resigned Takayanagi, Masayuki as Director
30 August 2005Resigned Mori, Kojiro as Director
8 April 2005Appointed Takayanagi, Masayuki as Director
8 April 2005Appointed Mori, Kojiro as Director
8 April 2005Resigned Ogawa, Katsumi as Director
21 June 2004Resigned Omura, Takeshi as Director
21 June 2004Appointed Ogawa, Katsumi as Director
11 April 2003Appointed Omura, Takeshi as Director
31 March 2003Resigned Kamata, Yoshio as Director
19 April 2002Resigned Yasukawa, Sadayuki as Director
19 April 2002Appointed Kamata, Yoshio as Director
8 March 1999Resigned Kurihara, Ichiro as Director
31 July 1998Appointed Yasukawa, Sadayuki as Director
31 July 1998Resigned Shimada, Masatoshi as Director
27 February 1998Resigned Kato, Masaharu as Director
30 May 1997Appointed Kato, Masaharu as Director
30 May 1997Appointed Kurihara, Ichiro as Director
30 May 1997Appointed Shimada, Masatoshi as Director
30 May 1997Resigned Imai, Kazuya as Director
8 April 1997Appointed Imai, Kazuya as Director
8 April 1997Resigned Yoshida, Eiichi as Director
1 June 1995Appointed Yoshida, Eiichi as Director