11 September 2026Resigned Yamazaki, Tetsuya as Secretary
11 September 2026Appointed Berner, Erich as Secretary
2 March 2026Appointed Yamazaki, Tetsuya as Secretary
2 March 2026Resigned Fujioka, Kiyoharu as Director
2 March 2026Appointed Yamazaki, Tetsuya as Director
2 March 2026Resigned Fujioka, Kiyoharu as Secretary
20 November 2025Resigned Tahara, Atsushi as Director
20 November 2025Appointed Kanai, Yukiko as Director
6 July 2023Resigned Kanda, Kenichi as Director
6 July 2023Appointed Furukawa, Shintaro as Director
24 August 2022Appointed Fujioka, Kiyoharu as Director
24 August 2022Appointed Fujioka, Kiyoharu as Secretary
24 August 2022Resigned Nakasho, Isaho as Secretary
24 August 2022Resigned Nakasho, Isaho as Director
13 December 2019Appointed Kanda, Kenichi as Director
2 September 2019Resigned Chida, Hiroyuki as Director
26 October 2018Resigned Nishibayashi, Naohiko as Director
26 October 2018Resigned Horinouchi, Yoshihiro as Director
26 October 2018Resigned Nebu, Tomokazu as Director
5 July 2018Resigned Kawata, Seiji as Director
5 July 2018Appointed Nakasho, Isaho as Secretary
5 July 2018Resigned Kawata, Seiji as Secretary
5 July 2018Appointed Nakasho, Isaho as Director
9 May 2018Appointed Tahara, Atsushi as Director
9 May 2018Appointed Chida, Hiroyuki as Director
9 May 2018Resigned Okada, Yoshinori as Director
23 April 2018Resigned Kawazu, Chiaki as Director
15 November 2017Resigned Sugibayashi, Yoshiihiro as Director
15 November 2017Appointed Nebu, Tomokazu as Director
16 June 2017Appointed Horinouchi, Yoshihiro as Director
15 June 2017Resigned Higaki, Yuki, Mr. as Director
31 October 2016Appointed Okada, Yoshinori as Director
31 October 2016Resigned Kobayashi, Atsushi as Director
22 April 2016Appointed Kawata, Seiji as Director
22 April 2016Resigned Okada, Yoshinori as Director
22 April 2016Resigned Okada, Yoshinori as Secretary
22 April 2016Appointed Kawata, Seiji as Secretary
10 December 2015Appointed Sugibayashi, Yoshiihiro as Director
10 December 2015Appointed Nishibayashi, Naohiko as Director
10 December 2015Resigned Kubo, Daisuke as Director
10 December 2015Resigned Kitahara, Tadashi as Director
30 October 2015Appointed Higaki, Yuki, Mr. as Director
28 September 2015Resigned Choi, Yohan as Director
28 September 2015Resigned Choi, Yohan as Secretary
28 September 2015Appointed Okada, Yoshinori as Secretary
1 July 2014Appointed Kitahara, Tadashi as Director
1 July 2014Appointed Kobayashi, Atsushi as Director
1 July 2014Resigned Utsunomiya, Shokichi as Director
1 July 2014Resigned Osugi, Atsushi as Director
1 July 2014Appointed Kawazu, Chiaki as Director
1 July 2014Resigned Noriishi, Hiroshi as Director
27 November 2012Appointed Choi, Yohan as Director
27 November 2012Appointed Choi, Yohan as Secretary
31 October 2012Appointed Utsunomiya, Shokichi as Director
31 October 2012Resigned Sekiguchi, Koichiro as Director
31 October 2012Resigned Morita, Akira as Secretary
31 October 2012Resigned Morita, Akira as Director
27 April 2012Resigned Murofushi, Jun as Director
27 April 2012Appointed Osugi, Atsushi as Director
5 October 2011Appointed Morita, Akira as Secretary
5 October 2011Appointed Kubo, Daisuke as Director
5 October 2011Resigned Choi, Yo Han as Secretary
5 October 2011Resigned Tahara, Atsushi as Director
5 October 2011Appointed Morita, Akira as Director
26 August 2011Appointed Okada, Yoshinori as Director
19 August 2011Resigned Hasegawa, Yoshihiro as Director
7 June 2011Appointed Choi, Yo Han as Secretary
7 June 2011Resigned Ozaki, Tadayuki as Secretary
7 January 2011Appointed Tahara, Atsushi as Director
8 December 2010Resigned Yamashita, Osamu as Director
1 September 2010Appointed Hasegawa, Yoshihiro as Director
1 September 2010Resigned Katayanagi, Toshiya as Director
7 April 2010Appointed Katayanagi, Toshiya as Director
12 May 2009Resigned Hotchi, Masahiro as Director
12 May 2009Appointed Yamashita, Osamu as Director
30 September 2008Appointed Noriishi, Hiroshi as Director
30 September 2008Resigned Kutsuma, Shiro as Director
15 August 2008Appointed Murofushi, Jun as Director
15 August 2008Resigned Yamashita, Osamu as Director
15 June 2007Appointed Sekiguchi, Koichiro as Director
15 June 2007Appointed Kutsuma, Shiro as Director
15 June 2007Resigned Kawarazaki, Kazuyuki as Director
15 June 2007Resigned Okuno, Kenji as Director
1 June 2007Appointed Ozaki, Tadayuki as Secretary
1 June 2007Resigned Araiso, Wataru as Secretary
1 November 2006Appointed Hotchi, Masahiro as Director
1 November 2006Resigned Tanegashima, Tetsuo as Director
25 May 2006Appointed Kawarazaki, Kazuyuki as Director
25 May 2006Resigned Fujikawa, Toshihiro as Director
25 May 2006Resigned Honda, Keisuke as Director
25 May 2006Appointed Okuno, Kenji as Director
19 May 2005Appointed Fujikawa, Toshihiro as Director
19 May 2005Appointed Honda, Keisuke as Director
19 May 2005Resigned Seki, Taiji as Director
31 March 2004Appointed Seki, Taiji as Director
31 March 2004Resigned Teroa, Hiroki as Director
19 March 2004Resigned Kamozaki, Tsuneto as Director
28 November 2003Resigned Hashimoto, Yoshiharu as Director
28 November 2003Appointed Teroa, Hiroki as Director
28 February 2003Resigned Akakura, Hirokazu as Secretary
28 February 2003Appointed Kamozaki, Tsuneto as Director
28 February 2003Appointed Araiso, Wataru as Secretary
28 February 2003Appointed Tanegashima, Tetsuo as Director
28 February 2003Resigned Kitazawa, Koji as Director
28 February 2003Resigned Arai, Masaru as Director
15 May 2002Resigned Sakae, Satoshi as Secretary
15 May 2002Appointed Akakura, Hirokazu as Secretary
25 April 2001Appointed Yamashita, Osamu as Director
25 April 2001Resigned Nitanai, Masamichi as Director
10 April 2001Appointed Sakae, Satoshi as Secretary
9 April 2001Resigned Mizobuchi, Kosuke as Secretary
1 September 2000Appointed Arai, Masaru as Director
1 September 2000Resigned Ando, Hiroshi as Director
24 February 2000Appointed Hashimoto, Yoshiharu as Director
14 January 2000Resigned Washida, Hirokatsu as Director
27 August 1999Appointed Washida, Hirokatsu as Director
27 August 1999Resigned Akiyama, Shinya as Director
31 January 1999Appointed Mizobuchi, Kosuke as Secretary
31 January 1999Resigned Shinozawa, Yoshikatsu as Secretary
17 August 1998Appointed Kitazawa, Koji as Director
17 August 1998Appointed Ando, Hiroshi as Director
17 August 1998Appointed Akiyama, Shinya as Director
17 August 1998Resigned Yasumatsu, Shigenori as Director
17 August 1998Resigned Maki, Kazuyoshi as Director
17 August 1998Resigned Nishizawa, Masuo as Director
23 January 1998Appointed Nitanai, Masamichi as Director
23 January 1998Resigned Ishizawa, Michio as Director
1 October 1997Appointed Maki, Kazuyoshi as Director
1 October 1997Appointed Yasumatsu, Shigenori as Director
1 October 1997Resigned Osuga, Noboru as Director
1 October 1997Resigned Tsujita, Katsuhiro as Director
1 October 1997Appointed Nishizawa, Masuo as Director
21 February 1997Appointed Shinozawa, Yoshikatsu as Secretary
21 February 1997Resigned Kamino, Koji as Secretary
23 June 1995Resigned Nakayama, Takashi as Director
23 June 1995Appointed Osuga, Noboru as Director
23 June 1995Appointed Tsujita, Katsuhiro as Director
23 June 1995Resigned Usuki, Hidenori as Director
24 October 1994Appointed Ishizawa, Michio as Director
1 October 1994Appointed Kamino, Koji as Secretary
30 September 1994Resigned Shinozawa, Yoshikatsu as Secretary
31 July 1992Resigned Ando, Hiroshi as Director