1 July 2026Appointed Hatano, Nobuki as Director
10 April 2026Appointed Hagiwara, Motohiro as Director
1 April 2026Resigned Mori, Yoshito as Director
1 April 2026Appointed Aono, Susumu as Director
1 April 2026Resigned Yuba, Norikazu as Director
1 April 2026Resigned Takasaka, Shinichi as Director
1 July 2025Appointed Fukui, Yusuke as Director
1 July 2025Resigned Nomura, Kenichi as Director
1 April 2025Appointed Yuba, Norikazu as Director
1 April 2025Resigned Taguchi, Junichiro as Director
1 April 2024Appointed Takasaka, Shinichi as Director
1 April 2024Resigned Fujimoto, Akifumi as Director
1 April 2024Resigned Fukui, Yusuke as Director
1 April 2024Appointed Taguchi, Junichiro as Director
1 April 2024Appointed Mori, Yoshito as Director
1 April 2024Resigned Nakazawa, Hiroshi as Director
1 July 2022Appointed Nomura, Kenichi as Director
1 July 2022Resigned Nakai, Masahiro as Director
1 April 2022Appointed Fujimoto, Akifumi as Director
1 April 2022Appointed Nakazawa, Hiroshi as Director
1 April 2022Appointed Takanabe, Akira as Director
1 April 2022Resigned Matsuo, Masaru as Director
1 April 2022Resigned Yamamura, Hidefumi as Director
20 April 2020Appointed Fukui, Yusuke as Director
20 April 2020Resigned Saito, Masanori as Director
1 April 2020Resigned Ihara, Takafumi as Director
17 January 2020Appointed Nakai, Masahiro as Director
17 January 2020Resigned Sonobe, Yasunari as Director
1 April 2019Resigned Kawakami, Yutaka as Director
1 April 2019Appointed Saito, Masanori as Director
21 May 2018Appointed Yamamura, Hidefumi as Director
21 May 2018Resigned Komoriya, Masatoshi as Director
5 April 2018Appointed Ihara, Takafumi as Director
1 June 2017Appointed Komoriya, Masatoshi as Director
1 June 2017Resigned Narikawa, Junichi as Director
1 June 2017Resigned Osawa, Masakazu as Director
1 June 2017Appointed Kawakami, Yutaka as Director
1 April 2016Appointed Sonobe, Yasunari as Director
1 April 2016Resigned Tominaga, Yasuhito as Director
22 July 2015Appointed Osawa, Masakazu as Director
22 July 2015Resigned Matano, Hiroshi as Director
30 June 2015Resigned Kada, Shinya as Director
30 June 2015Appointed Matsuo, Masaru as Director
8 June 2015Resigned Yasuda, Takayuki as Director
29 December 2014Appointed Bourne, David John as Secretary
26 December 2014Resigned Eyre, Harry as Secretary
1 July 2014Appointed Matano, Hiroshi as Director
26 June 2014Appointed Kada, Shinya as Director
2 December 2013Appointed Tominaga, Yasuhito as Director
2 December 2013Resigned Nakai, Kenji as Director
26 June 2013Appointed Narikawa, Junichi as Director
28 June 2012Resigned Wachi, Kaoru as Director
23 May 2012Appointed Yasuda, Takayuki as Director
14 October 2011Resigned Ueda, Shojiro as Director
14 October 2011Appointed Nakai, Kenji as Director
22 August 2011Resigned Onodera, Takami as Director
22 August 2011Appointed Wachi, Kaoru as Director
30 June 2010Appointed Onodera, Takami as Director
30 June 2010Resigned Oka, Masashi as Director
4 November 2009Appointed Oka, Masashi as Director
9 February 2009Resigned Tanaka, Atsuhisa as Director
15 August 2008Resigned Mori, Hiroyuki as Director
15 August 2008Appointed Ueda, Shojiro as Director
22 June 2007Resigned Naito, Akira as Director
20 July 2005Resigned Akikusa, Fumiyuki as Director
20 July 2005Appointed Tanaka, Atsuhisa as Director
20 July 2005Appointed Naito, Akira as Director
4 March 2005Resigned Waki, Katsumi as Director
4 March 2005Appointed Mori, Hiroyuki as Director
30 July 2004Appointed Akikusa, Fumiyuki as Director
30 July 2004Resigned Satake, Yasumine as Director
26 June 2002Resigned Tokuda, Shunichi as Director
11 March 2002Resigned Kambara, Yoichi as Director
21 December 2001Appointed Tokuda, Shunichi as Director
21 December 2001Appointed Waki, Katsumi as Director
21 December 2001Resigned Tsuji, Masao as Director
6 November 2000Appointed Kambara, Yoichi as Director
6 November 2000Appointed Satake, Yasumine as Director
14 June 1999Appointed Tsuji, Masao as Director
14 June 1999Resigned Nakai, Akio as Director
11 July 1997Appointed Eyre, Harry as Secretary
11 July 1997Resigned Wignall, James as Secretary
12 March 1997Resigned Hashimoto, Fumio as Director
25 March 1996Resigned Yanagisawa, Tadashi as Director
21 March 1996Appointed Nakai, Akio as Director
15 July 1994Resigned Nakazato, Kenichi as Director
15 July 1994Resigned Umemoto, Fumio as Director
1 July 1994Appointed Yanagisawa, Tadashi as Director
15 June 1992Appointed Hashimoto, Fumio as Director
15 June 1992Resigned Suzuki, Yoichiro as Director