25 March 2026Appointed Takeya, Ken as Director
25 March 2026Appointed Kunita, Hironao as Director
25 March 2025Resigned Yamauchi, Hiroki as Director
25 March 2025Appointed Honda, Yuichi as Director
25 March 2025Appointed Yao, Tomohiro as Director
1 December 2024Resigned Fujioka, Yasuharu as Director
25 March 2024Appointed Kosaka, Yu as Secretary
25 March 2024Appointed Fujioka, Yasuharu as Director
25 March 2024Resigned Oshima, Koji as Secretary
25 March 2023Resigned Shibata, Akira as Director
25 March 2023Appointed Yamauchi, Hiroki as Director
25 March 2022Resigned Suzuki, Hironobu as Director
25 March 2022Appointed Oshima, Koji as Secretary
25 March 2022Resigned Suzuki, Hironobu as Secretary
25 March 2020Resigned Kimura, Kiyokazu as Director
25 March 2019Appointed Suzuki, Hironobu as Director
25 March 2019Resigned Nakayama, Takashi as Director
25 March 2019Resigned Nakayama, Takashi as Secretary
25 March 2019Appointed Suzuki, Hironobu as Secretary
25 March 2018Resigned Hattori, Isao as Director
25 March 2018Resigned Akiyama, Naoki as Director
25 March 2018Resigned Ideguchi, Yutaka as Director
25 March 2018Appointed Kimura, Kiyokazu as Director
25 March 2018Appointed Shibata, Akira as Director
25 March 2017Appointed Akiyama, Naoki as Director
25 March 2016Appointed Nakayama, Takashi as Secretary
25 March 2016Resigned Imanishi, Kenya as Director
25 March 2016Appointed Nakayama, Takashi as Director
25 March 2016Appointed Hattori, Isao as Director
25 March 2016Resigned Imanishi, Kenya as Secretary
25 March 2016Resigned Okamoto, Shinichi as Director
25 March 2015Resigned Takada, Yasutoyo as Director
25 March 2014Appointed Takada, Yasutoyo as Director
25 March 2014Resigned Miyagaki, Junichi as Director
25 March 2013Appointed Miyagaki, Junichi as Director
25 March 2013Appointed Imanishi, Kenya as Director
25 March 2013Appointed Imanishi, Kenya as Secretary
25 March 2013Appointed Okamoto, Shinichi as Director
25 March 2013Resigned Matsui, Shin as Secretary
25 March 2012Appointed Ideguchi, Yutaka as Director
25 March 2011Appointed Matsui, Shin as Secretary
25 March 2011Resigned Sakuma, Hiroo as Director
25 March 2011Resigned Sakuma, Hiroo as Secretary
25 March 2008Appointed Sakuma, Hiroo as Director
25 March 2008Appointed Sakuma, Hiroo as Secretary
25 March 2008Resigned Aikawa, Hiroshi as Secretary
25 March 2008Resigned Aikawa, Hiroshi as Director
26 March 2007Resigned Akabayashi, Tomiji as Director
24 March 2006Appointed Aikawa, Hiroshi as Director
24 March 2006Resigned Ishibashi, Yasunori as Secretary
24 March 2006Appointed Aikawa, Hiroshi as Secretary
24 March 2006Resigned Ishibashi, Yasunori as Director
14 June 2005Appointed Akabayashi, Tomiji as Director
1 September 2003Appointed Ishibashi, Yasunori as Secretary
1 September 2003Resigned Fujii, Toru as Director
1 September 2003Appointed Ishibashi, Yasunori as Director
1 September 2003Resigned Fujii, Toru as Secretary
25 March 2002Appointed Fujii, Toru as Director
25 March 2002Resigned Saigo, Kazuyuki as Director
26 March 2001Resigned Shirafuta, Yoichi as Director
26 March 2001Appointed Saigo, Kazuyuki as Director
26 March 2001Resigned Nishi, Hiroyuki as Secretary
26 March 2001Appointed Fujii, Toru as Secretary
1 April 1999Resigned Masuda, Tomohiko as Secretary
1 April 1999Resigned Nishi, Hiroyuki as Director
1 April 1999Appointed Shirafuta, Yoichi as Director
1 April 1999Appointed Nishi, Hiroyuki as Secretary
1 April 1998Appointed Nishi, Hiroyuki as Director
1 April 1998Resigned Tamesui, Mitsuharu as Secretary
1 April 1998Resigned Deguchi, Haruaki as Director
1 April 1998Resigned Arima, Eiji as Director
1 April 1998Appointed Masuda, Tomohiko as Secretary
25 April 1997Appointed Tamesui, Mitsuharu as Secretary
25 April 1997Resigned Sasaki, Masanao as Director
25 April 1997Appointed Arima, Eiji as Director
25 April 1997Resigned Toda, Makoto as Director
25 April 1997Resigned Sasaki, Masanao as Secretary
8 May 1995Resigned Masada, Fumio as Director
8 May 1995Appointed Toda, Makoto as Director
29 May 1994Resigned Suzuki, Gen as Director
29 May 1994Resigned Shimasaki, Masataka as Director
16 May 1994Appointed Sasaki, Masanao as Director
29 November 1993Appointed Sasaki, Masanao as Secretary
29 November 1993Resigned Suzuki, Gen as Secretary
8 July 1993Appointed Shimasaki, Masataka as Director
8 July 1993Resigned Kawase, Tomohiro as Director
22 June 1992Appointed Deguchi, Haruaki as Director
22 June 1992Resigned Hashimoto, Yutaka as Director
22 June 1992Appointed Masada, Fumio as Director
24 June 1991Resigned Nogami, Kozo as Director
24 June 1991Resigned Uno, Ikuo as Director
24 June 1991Appointed Suzuki, Gen as Director