31 March 2026Appointed Toju, Makoto as Director
31 March 2026Resigned Inuma, Kenichiro as Director
31 March 2024Appointed Harikae, Kiichi as Director
31 March 2024Resigned Iida, Hiroyuki as Director
31 March 2023Appointed Kelly, Keith, Dr as Secretary
31 March 2023Resigned Yoshimura, Kimitoshi as Director
31 March 2023Resigned Yoshimura, Kimitoshi as Secretary
1 April 2022Appointed Iida, Hiroyuki as Director
1 April 2022Appointed Inuma, Kenichiro as Director
1 April 2022Resigned Okumura, Manabu as Director
1 April 2022Resigned Asai, Takuro as Director
1 April 2022Resigned Kitao, Kenichi as Director
1 April 2020Appointed Okumura, Manabu as Director
31 March 2020Resigned Arai, Kazunori as Director
31 March 2020Resigned Ishiwatari, Akihiro as Director
1 April 2019Resigned Kanakubo, Yoshinori as Director
1 April 2019Appointed Yoshimura, Kimitoshi as Secretary
1 April 2019Appointed Asai, Takuro as Director
1 April 2019Appointed Yoshimura, Kimitoshi as Director
1 April 2019Resigned Oya, Koji as Secretary
1 April 2018Appointed Kanakubo, Yoshinori as Director
1 April 2018Appointed Kitao, Kenichi as Director
31 March 2018Resigned Ishida, Takao as Director
1 April 2017Appointed Arai, Kazunori as Director
30 June 2016Appointed Ishida, Takao as Director
1 November 2015Appointed Oya, Koji as Secretary
1 November 2015Resigned Emoto, Koji as Secretary
31 March 2015Resigned Sasaki, Shinichi as Director
1 April 2014Appointed Ishiwatari, Akihiro as Director
31 March 2014Resigned Kawahara, Mamoru as Director
15 March 2013Resigned Murayama, Kazunori as Director
1 April 2012Appointed Kawahara, Mamoru as Director
1 April 2012Resigned Ishiwatari, Akihiro as Director
1 December 2011Appointed Emoto, Koji as Secretary
1 December 2011Resigned Oya, Koji as Secretary
1 April 2011Appointed Sasaki, Shinichi as Director
1 May 2009Appointed Ishiwatari, Akihiro as Director
1 May 2009Resigned Ueda, Shigeki as Director
1 May 2009Resigned Yashioka, Tadatoshi as Director
1 July 2008Appointed Ueda, Shigeki as Director
1 July 2008Resigned Isogai, Akihito as Director
1 December 2007Appointed Murayama, Kazunori as Director
3 July 2007Appointed Oya, Koji as Secretary
2 July 2007Resigned Matsumoto, Yuri as Secretary
25 May 2005Resigned Kawaguchi, Yuichi as Director
1 June 2004Appointed Yashioka, Tadatoshi as Director
31 March 2004Resigned Ikemoto, Yoshiyuki as Director
31 March 2004Appointed Matsumoto, Yuri as Secretary
31 March 2004Resigned Ikemoto, Yoshiyuki as Secretary
19 June 2003Appointed Isogai, Akihito as Director
19 June 2003Resigned Sekiguchi, Kiyoshi as Director
30 June 2000Resigned Okawa, Kiyoshi as Secretary
30 June 2000Resigned Tanabe, Keizo as Director
30 June 2000Appointed Ikemoto, Yoshiyuki as Director
30 June 2000Appointed Ikemoto, Yoshiyuki as Secretary
30 June 2000Appointed Sekiguchi, Kiyoshi as Director
30 June 1999Resigned Ishikawa, Hiroshi as Director
30 June 1999Appointed Tanabe, Keizo as Director
15 January 1999Appointed Kawaguchi, Yuichi as Director
15 January 1999Resigned Kataoka, Kazuo as Director
1 September 1998Resigned Ota, Hiroshi as Director
1 April 1998Resigned Yoshimura, Kimitoshi as Secretary
1 April 1998Appointed Okawa, Kiyoshi as Secretary
1 July 1996Appointed Ishikawa, Hiroshi as Director
1 July 1996Appointed Yoshimura, Kimitoshi as Secretary
1 July 1996Resigned Asoh, Shigenori as Director
1 July 1996Resigned Nakazato, Yoshitaka as Secretary
30 June 1995Appointed Asoh, Shigenori as Director
30 June 1995Resigned Terashima, Kiyoshi as Director
22 January 1995Resigned Matsusaki, Yoshiteru as Director
1 January 1995Appointed Kataoka, Kazuo as Director
1 July 1994Appointed Ota, Hiroshi as Director
29 June 1994Resigned Tajima, Katsuhiko as Director