1 April 2026Appointed Sano, Kenichi as Director
1 April 2026Appointed Ishiyama, Hiroyuki as Director
31 March 2026Resigned Masuda, Noritoshi as Director
31 March 2026Resigned Takao, Shinichiro as Director
1 October 2025Resigned Takaki, Tsutomu as Director
1 April 2025Resigned Hasegawa, Kosei as Director
1 April 2025Appointed Taki, Hiroyuki as Director
1 April 2025Resigned Bito, Noriyoshi as Director
1 April 2024Appointed Takao, Shinichiro as Director
1 April 2024Resigned Ishiwata, Masazumi as Director
1 April 2022Appointed Bito, Noriyoshi as Director
31 March 2022Resigned Ota, Hiroyuki as Director
1 April 2021Resigned Sumoto, Seiji as Director
1 April 2021Appointed Hasegawa, Kosei as Director
1 April 2020Resigned Okuda, Yutaka as Director
1 April 2020Appointed Sumoto, Seiji as Director
10 June 2019Appointed Takaki, Tsutomu as Director
10 June 2019Resigned Ishiyama, Hiroyuki as Director
1 April 2019Appointed Ota, Hiroyuki as Director
24 April 2018Appointed Okuda, Yutaka as Director
31 March 2018Resigned Kuroda, Hisaki as Director
1 April 2016Appointed Ishiwata, Masazumi as Director
1 April 2016Appointed Masuda, Noritoshi as Director
1 April 2016Resigned Kamemoto, Masaru as Director
1 April 2016Resigned Takahashi, Masato as Director
2 June 2015Appointed Kuroda, Hisaki as Director
1 July 2014Appointed Ishiyama, Hiroyuki as Director
30 June 2014Resigned Kono, Yutaka as Director
30 June 2014Resigned Fujimura, Keisuke as Director
29 March 2013Resigned Ewald, Karl Heinz as Director
1 January 2013Appointed Fujimura, Keisuke as Director
1 January 2013Resigned Kimoto, Norifumi as Director
1 April 2012Resigned Numoto, Hideaki as Director
1 April 2012Appointed Kamemoto, Masaru as Director
16 June 2011Resigned Kameda, Takashi as Director
16 June 2011Appointed Kimoto, Norifumi as Director
16 June 2011Resigned Matsumoto, Akira as Director
16 June 2011Appointed Numoto, Hideaki as Director
16 June 2011Resigned Boyd, Stephen James as Director
4 June 2010Appointed Takahashi, Masato as Director
31 March 2010Resigned Yamagata, Hitoshi as Director
1 November 2009Appointed Kono, Yutaka as Director
1 November 2009Resigned Suzuki, Taku as Director
16 June 2009Resigned Okafuji, Masao as Director
1 October 2008Appointed Yamagata, Hitoshi as Director
30 September 2008Resigned Nakamura, Takahiko as Director
9 June 2008Appointed Kameda, Takashi as Director
6 June 2007Resigned Matsuura, Takeshi as Director
19 June 2006Appointed Matsuura, Takeshi as Director
19 June 2006Appointed Okafuji, Masao as Director
19 June 2006Resigned Kameda, Takashi as Director
19 June 2006Resigned Tashiro, Kazunori as Director
17 June 2005Appointed Suzuki, Taku as Director
17 June 2005Appointed Nakamura, Takahiko as Director
17 June 2005Resigned Fushiki, Yasushi as Director
17 June 2005Resigned Yoshimaru, Shieeki as Director
18 June 2004Appointed Tashiro, Kazunori as Director
18 June 2004Resigned Myers, Joseph Barry as Director
18 June 2004Resigned Matsuura, Takeshi as Director
18 June 2004Resigned Itazu, Hironori as Director
18 June 2004Resigned Yamakawa, Tooru as Director
18 June 2004Appointed Ewald, Karl Heinz as Director
18 June 2004Appointed Kameda, Takashi as Director
16 June 2003Appointed Matsumoto, Akira as Director
16 June 2003Appointed Yoshimaru, Shieeki as Director
16 June 2003Appointed Matsuura, Takeshi as Director
16 June 2003Resigned Taniguchi, Tomizo as Director
16 June 2003Resigned Numoto, Hideaki as Director
16 June 2003Resigned Higashiyama, Norio as Director
16 June 2003Resigned Ashida, Shingo as Director
16 June 2003Appointed Yamakawa, Tooru as Director
28 June 2002Resigned Masuda, Noritoshi as Director
28 June 2002Resigned Senzai, Yoshihiro as Director
28 June 2002Appointed Higashiyama, Norio as Director
28 June 2002Appointed Fushiki, Yasushi as Director
28 June 2001Resigned Mitsui, Junzo as Director
28 June 2001Appointed Masuda, Noritoshi as Director
31 January 2000Resigned Kurokawa, Kazunao as Director
21 December 1999Appointed Myers, Joseph Barry as Director
21 December 1999Resigned Toi, Mitsuharu as Director
14 June 1999Resigned Higashiyama, Norio as Director
14 June 1999Resigned Matsumoto, Akira as Director
14 June 1999Appointed Senzai, Yoshihiro as Director
14 June 1999Resigned Akai, Norio as Director
14 June 1999Appointed Ashida, Shingo as Director
14 June 1999Appointed Taniguchi, Tomizo as Director
14 June 1999Appointed Numoto, Hideaki as Director
3 July 1998Appointed Boyd, Stephen James as Director
3 July 1998Appointed Higashiyama, Norio as Director
3 July 1998Resigned Inose, Fumiyuki as Director
1 October 1997Appointed Kurokawa, Kazunao as Director
1 October 1997Appointed Toi, Mitsuharu as Director
20 June 1997Resigned Sasaki, Minoru as Director
20 June 1997Appointed Mitsui, Junzo as Director
20 June 1997Resigned Arai, Isamu as Director
20 June 1997Resigned Yamazaki, Kazuya as Director
20 June 1997Appointed Itazu, Hironori as Director
21 February 1996Resigned Yamaguchi, Hiroshi as Director
21 June 1995Appointed Inose, Fumiyuki as Director
21 June 1995Resigned Suzuki, Katsuaki as Director
21 June 1995Resigned Matsuura, Masanori as Director
21 January 1994Appointed Matsumoto, Akira as Director
20 September 1993Resigned Nakano, Katsuhiko as Director
21 June 1993Appointed Akai, Norio as Director
21 June 1993Appointed Arai, Isamu as Director
21 May 1992Resigned Morita, Masayoshi as Director
21 May 1992Appointed Yamazaki, Kazuya as Director
21 May 1992Appointed Yamaguchi, Hiroshi as Director