24 July 2025Resigned Nakamura, Sadao as Director
24 July 2025Appointed Okamura, Taketoshi as Director
22 August 2022Appointed Kubota, Miki as Secretary
22 August 2022Resigned Matsuda, Toshihiko as Secretary
9 October 2019Resigned Mccallion, Stephen Black as Director
6 January 2017Resigned Yamamoto, Masaru as Secretary
6 January 2017Appointed Ha, Chun as Director
6 January 2017Appointed Matsuda, Toshihiko as Secretary
6 January 2017Resigned Kondo, Tatsuo as Director
9 December 2015Appointed Kondo, Tatsuo as Director
9 December 2015Resigned Hayashi, Toyohiko as Director
1 September 2013Appointed Mccallion, Stephen Black as Director
10 July 2012Appointed Yamamoto, Masaru as Secretary
9 July 2012Resigned Baba, Takashi as Secretary
26 June 2012Resigned Fowell, Neil Antony as Director
1 June 2011Appointed Fowell, Neil Antony as Director
1 February 2011Resigned Watanabe, Noboru as Director
1 April 2008Appointed Hayashi, Toyohiko as Director
1 April 2008Resigned Yoshikawa, Hirotaka as Secretary
1 April 2008Resigned Kawanishi, Yoshihisa as Director
1 April 2008Appointed Baba, Takashi as Secretary
1 May 2007Resigned Hayashi, Toyohiko as Director
1 September 2005Appointed Yoshikawa, Hirotaka as Secretary
1 September 2005Appointed Watanabe, Noboru as Director
31 August 2005Resigned Ogasawara, Kazuyuki as Secretary
28 November 2002Appointed Hayashi, Toyohiko as Director
27 November 2002Resigned Matsumoto, Katsumi as Director
11 April 2002Resigned Proctor, Michael Terence as Director
21 January 2002Appointed Ogasawara, Kazuyuki as Secretary
20 January 2002Resigned Yamaguchi, Takayoshi as Secretary
29 June 2001Resigned Mimura, Shigeki as Director
29 June 2001Appointed Kawanishi, Yoshihisa as Director
29 June 2001Appointed Matsumoto, Katsumi as Director
2 June 1997Appointed Tamura, Hitoshi as Director
15 June 1996Resigned Komatsu, Kazuo as Director
15 May 1996Appointed Mimura, Shigeki as Director
15 May 1996Resigned Kawanishi, Shozo as Director
7 July 1994Appointed Nakamura, Sadao as Director
7 July 1994Appointed Proctor, Michael Terence as Director
7 July 1994Appointed Kawanishi, Shozo as Director
11 April 1994Appointed Komatsu, Kazuo as Director
11 April 1994Appointed Yamaguchi, Takayoshi as Secretary