25 July 2025Resigned Sanai, Takehiro, Mr. as Secretary
25 July 2025Appointed Ogura, Kazuo, Mr. as Director
25 July 2025Appointed Tanaka, Shota, Mr. as Secretary
1 April 2025Resigned Kawate, Kenji as Director
1 April 2023Appointed Kondo, Masayasu as Director
1 April 2023Resigned Yamaoki, Yasuo, Mr. as Director
1 July 2022Appointed Kawate, Kenji as Director
1 April 2022Appointed Yamaoki, Yasuo, Mr. as Director
31 March 2022Resigned Oki, Kenichi, Mr. as Director
15 July 2021Resigned Yoshida, Takahiko as Secretary
15 July 2021Appointed Sanai, Takehiro, Mr. as Secretary
1 April 2020Appointed Oki, Kenichi, Mr. as Director
31 March 2020Resigned Yatake, Kazuo, Mr. as Director
31 March 2019Resigned Okamoto, Kazuo as Director
1 October 2018Appointed Yatake, Kazuo, Mr. as Director
30 September 2018Resigned Kuroki, Shinji as Director
3 July 2018Appointed Yoshida, Takahiko as Secretary
3 July 2018Resigned Suzuki, Shunsuke as Secretary
31 August 2017Resigned Moriya, Kimihiro, Treasurer, General Manager & Company Secretary as Secretary
1 April 2017Appointed Kuroki, Shinji as Director
31 March 2017Resigned Ueda, Shingo as Director
21 March 2017Appointed Okamoto, Kazuo as Director
21 March 2017Resigned Okamoto, Kazuo as Secretary
21 March 2017Appointed Suzuki, Shunsuke as Secretary
31 March 2016Resigned Maeda, Susumu as Director
1 April 2014Appointed Ueda, Shingo as Director
1 April 2014Appointed Okamoto, Kazuo as Secretary
31 March 2014Resigned Sasaki, Hideharu as Director
31 March 2014Resigned Horiuchi, Toshitaka as Secretary
1 August 2013Resigned Okamoto, Kazuo as Director
1 August 2013Appointed Moriya, Kimihiro, Treasurer, General Manager & Company Secretary as Secretary
1 August 2013Resigned Minamizaki, Akihiko as Secretary
28 June 2011Appointed Okamoto, Kazuo as Director
1 April 2011Appointed Sasaki, Hideharu as Director
31 March 2011Resigned Izutsu, Keisuke as Director
31 March 2011Resigned Ueda, Shingo, Mr. as Director
1 September 2010Appointed Minamizaki, Akihiko as Secretary
1 September 2010Resigned Yoshino, Mitsuru as Secretary
1 July 2010Appointed Horiuchi, Toshitaka as Secretary
30 June 2010Resigned Kondo, Masayasu as Secretary
11 May 2010Appointed Ueda, Shingo, Mr. as Director
1 October 2009Resigned Watanabe, Kinya as Director
1 April 2009Appointed Kondo, Masayasu as Secretary
1 April 2009Appointed Watanabe, Kinya as Director
1 April 2009Resigned Kusano, Kazuki as Secretary
1 April 2009Resigned Oshiro, Hajime as Director
16 February 2009Appointed Yoshino, Mitsuru as Secretary
26 April 2008Appointed Maeda, Susumu as Director
25 April 2008Resigned Sozuka, Satoshi as Director
27 April 2007Appointed Oshiro, Hajime as Director
26 April 2007Resigned Eda, Jin as Director
1 January 2007Appointed Izutsu, Keisuke as Director
31 December 2006Resigned Mori, Takeshi as Director
30 September 2005Resigned Ishii, Hiroo as Director
1 April 2005Appointed Kusano, Kazuki as Secretary
31 March 2005Resigned Kakei, Tomosaburo as Secretary
1 June 2004Appointed Sozuka, Satoshi as Director
1 June 2004Resigned Ono, Tadashi as Director
1 April 2004Appointed Mori, Takeshi as Director
31 March 2004Resigned Nakamura, Yuji as Director
1 May 2003Appointed Eda, Jin as Director
31 March 2003Resigned Iwaya, Yasumasa as Director
31 May 2002Resigned Kijima, Akira as Director
30 April 2002Resigned Tajima, Masanobu as Director
28 June 2001Appointed Ishii, Hiroo as Director
1 June 2000Resigned Tajima, Tatsuo as Director
1 June 2000Appointed Ono, Tadashi as Director
1 June 2000Resigned Sato, Ken as Director
1 June 2000Appointed Nakamura, Yuji as Director
1 April 2000Resigned Hisatome, Kazuhiko as Secretary
1 April 2000Appointed Kakei, Tomosaburo as Secretary
1 August 1999Appointed Tajima, Masanobu as Director
1 April 1999Appointed Iwaya, Yasumasa as Director
1 April 1999Resigned Chikaraishi, Hiroshi as Director
1 March 1998Appointed Kijima, Akira as Director
18 June 1996Appointed Tajima, Tatsuo as Director
18 June 1996Resigned Uehara, Seibi as Director
1 April 1996Resigned Nagano, Akira as Secretary
1 April 1996Appointed Hisatome, Kazuhiko as Secretary
1 April 1996Resigned Nagano, Akira as Director
18 April 1995Resigned Hiyama, Katsuhiko as Director
10 April 1995Appointed Chikaraishi, Hiroshi as Director
10 April 1995Resigned Hirota, Koji as Director
1 March 1995Appointed Sato, Ken as Director
1 March 1995Resigned Kawakami, Toshiatsu as Director
1 January 1993Appointed Nagano, Akira as Director
1 January 1993Appointed Kawakami, Toshiatsu as Director
6 October 1992Resigned Sanada, Makoto as Secretary
23 September 1992Appointed Nagano, Akira as Secretary
1 May 1992Appointed Hiyama, Katsuhiko as Director
1 May 1992Resigned Hashimoto, Koichi as Director
1 March 1991Resigned Okada, Hitoshi as Director