31 March 2011Resigned Ogawa, Yutaka as Director
31 March 2011Resigned Honda, Katsushige as Secretary
3 April 2009Resigned Stokes, John as Director
1 March 2009Resigned Komatsu, Takahisa as Director
1 January 2009Resigned Minakawa, Hiromi as Director
1 January 2009Resigned Nozaki, Minoru as Director
1 January 2009Resigned Yoshida, Hidetoshi as Director
1 February 2008Resigned Sasaki, Michio as Director
1 January 2008Resigned Satake, Takanori as Director
1 January 2008Appointed Ogawa, Yutaka as Director
1 August 2007Resigned Horikoshi, Masayuki as Director
8 March 2007Resigned Umemoto, Minoru as Director
1 November 2006Resigned Kitamura, Hiromi as Director
1 November 2006Appointed Minakawa, Hiromi as Director
1 November 2006Appointed Sasaki, Michio as Director
1 October 2006Appointed Nozaki, Minoru as Director
1 October 2006Resigned Kikuchi, Takuzo as Director
28 June 2006Appointed Horikoshi, Masayuki as Director
1 September 2005Resigned Tachikawa, Noboru as Director
1 September 2005Appointed Honda, Katsushige as Secretary
1 September 2005Resigned Saisho, Hirofumi as Director
1 September 2005Appointed Komatsu, Takahisa as Director
1 September 2005Resigned Suzuki, Akihiko as Secretary
1 December 2004Appointed Yoshida, Hidetoshi as Director
1 December 2004Appointed Tachikawa, Noboru as Director
1 December 2004Resigned Kawata, Shingo as Director
1 December 2004Appointed Saisho, Hirofumi as Director
1 December 2004Resigned Fujisaki, Youichi as Director
1 December 2004Appointed Umemoto, Minoru as Director
1 December 2004Resigned Nagai, Junichi as Director
1 December 2004Resigned Tsuchiya, Eiichi as Director
1 July 2004Appointed Fujisaki, Youichi as Director
1 March 2004Appointed Kikuchi, Takuzo as Director
1 January 2004Resigned Minakawa, Hiromi as Director
1 October 2003Resigned Muto, Katsuhisa as Director
1 October 2003Appointed Kitamura, Hiromi as Director
1 October 2003Appointed Kawata, Shingo as Director
1 July 2002Resigned Inui, Tatsuki as Director
1 July 2002Appointed Nagai, Junichi as Director
1 July 2001Resigned Shimizu, Hiroki as Director
1 July 2001Resigned Suzuki, Akihiko as Secretary
1 July 2001Appointed Muto, Katsuhisa as Director
1 March 2001Appointed Suzuki, Akihiko as Secretary
11 October 2000Resigned Iriuchijima, Yoshitaka as Director
11 October 2000Appointed Satake, Takanori as Director
11 October 2000Appointed Inui, Tatsuki as Director
11 October 2000Resigned Sakai, Heihachiro as Director
11 October 2000Appointed Tsuchiya, Eiichi as Director
11 October 2000Resigned Kishi, Fusao as Director
22 November 1999Appointed Stokes, John as Director
1 July 1999Appointed Minakawa, Hiromi as Director
1 July 1999Resigned Mimasu, Toru as Director
1 July 1999Resigned Hirabayashi, Masatoshi as Director
1 July 1999Resigned Aida, Takao as Director
1 July 1999Appointed Sakai, Heihachiro as Director
28 August 1998Resigned Mckay, David Sutherland, Professor as Director
1 May 1998Resigned Watanabe, Seizo as Director
1 May 1998Appointed Iriuchijima, Yoshitaka as Director
1 December 1997Appointed Kishi, Fusao as Director
1 December 1997Resigned Omori, Yasuo as Director
19 May 1997Resigned Ishiwata, Hitoshi as Secretary
19 May 1997Appointed Suzuki, Akihiko as Secretary
30 June 1995Appointed Shimizu, Hiroki as Director
30 June 1995Resigned Nakano, Akira as Director
30 June 1995Appointed Mimasu, Toru as Director
30 June 1995Resigned Kumazaki, Toshimasa as Director
30 June 1995Resigned Iwasaki, Masanori as Director
30 June 1995Appointed Hirabayashi, Masatoshi as Director
30 June 1995Appointed Watanabe, Seizo as Director
30 June 1995Resigned Harakawa, Yoshifumi as Director
30 June 1995Appointed Omori, Yasuo as Director
1 September 1994Appointed Ishiwata, Hitoshi as Secretary
1 September 1994Resigned Yamaguchi, Yutaka as Secretary
1 June 1992Appointed Iwasaki, Masanori as Director
1 June 1992Appointed Aida, Takao as Director
1 June 1992Appointed Mckay, David Sutherland, Professor as Director
1 June 1992Resigned Mitsuzaki, Shinichi as Director
1 June 1992Resigned Ikeda, Masanobu as Director
1 May 1992Appointed Nakano, Akira as Director
1 May 1992Resigned Uchida, Atsumu as Director
4 March 1992Appointed Kumazaki, Toshimasa as Director
4 March 1992Resigned Harada, Takashi as Director
4 March 1992Appointed Harakawa, Yoshifumi as Director
4 March 1990Resigned Osawa, Satoshi as Director
4 March 1990Resigned Uchida, Atsumu as Secretary
17 November 1989Appointed Ikeda, Masanobu as Director
14 December 1987Appointed Uchida, Atsumu as Secretary
14 December 1987Appointed Uchida, Atsumu as Director
14 December 1987Appointed Osawa, Satoshi as Director
14 December 1987Appointed Mitsuzaki, Shinichi as Director