12 June 2026Resigned Nakagawa, Shinsuke as Secretary
24 June 2024Resigned Kobayashi, Isamu as Director
28 March 2024Resigned Tanida, Shunji as Director
1 August 2022Appointed Jimbo, Kazutaka as Director
1 August 2020Appointed Alderlieste, Jan Cornelis as Director
26 June 2015Resigned Fujita, Kazuhiko as Director
26 June 2015Resigned Tsujita, Toshikazu as Director
22 June 2015Appointed Kobayashi, Isamu as Director
22 June 2015Appointed Tanida, Shunji as Director
18 November 2014Appointed Nakagawa, Shinsuke as Secretary
18 November 2014Resigned Furue, Masaaki as Secretary
23 August 2013Resigned Izumisawa, Kiyoshi as Director
28 May 2010Resigned Tanida, Daisuke as Director
1 October 2009Appointed Furue, Masaaki as Secretary
30 September 2009Resigned Fujita, Kazuhiko as Secretary
1 April 2009Resigned Tanida, Kanzo as Director
1 April 2009Appointed Izumisawa, Kiyoshi as Director
1 April 2009Appointed Tanida, Senri as Director
1 April 2009Resigned Yamazaki, Zentaro as Director
1 April 2007Appointed Fujita, Kazuhiko as Secretary
3 April 2006Appointed Fujita, Kazuhiko as Director
31 March 2004Resigned Izumisawa, Kiyoshi as Director
31 March 2004Resigned Izumisawa, Kiyoshi as Secretary
1 October 2003Appointed Izumisawa, Kiyoshi as Secretary
1 October 2003Appointed Yamazaki, Zentaro as Director
30 September 2003Resigned Watabe, Kiyoshi as Director
30 September 2003Resigned Kawashima, Terumitsu as Secretary
30 September 2003Resigned Mogi, Tokio as Director
30 September 2003Resigned Tsuchiya, Yoshio as Director
1 April 2002Appointed Tsujita, Toshikazu as Director
31 March 2002Resigned Maruoka, Kazuo as Director
31 March 2002Resigned Yamato, Yasuyuki as Director
5 January 2001Appointed Izumisawa, Kiyoshi as Director
5 January 2001Resigned Morii, Katsuichi as Director
1 July 1999Appointed Watabe, Kiyoshi as Director
1 July 1999Appointed Maruoka, Kazuo as Director
1 July 1999Appointed Kawashima, Terumitsu as Secretary
1 July 1999Appointed Mogi, Tokio as Director
30 June 1999Resigned Arita, Ryoji as Director
30 June 1999Resigned Izumisawa, Kiyoshi as Director
30 June 1999Resigned Arita, Ryoji as Secretary
1 October 1998Appointed Tsuchiya, Yoshio as Director
21 April 1998Appointed Morii, Katsuichi as Director
9 September 1997Appointed Arita, Ryoji as Director
9 September 1997Appointed Izumisawa, Kiyoshi as Director
9 September 1997Appointed Arita, Ryoji as Secretary
9 September 1997Appointed Yamato, Yasuyuki as Director
9 September 1997Appointed Tanida, Kanzo as Director
9 September 1997Appointed Tanida, Daisuke as Director