1 April 2026Resigned Iwakiri, Shogoro as Director
1 April 2026Appointed Notohara, Daisuke as Director
1 October 2025Appointed Iwamoto, Shinichi as Director
1 October 2025Resigned Mukai, Norio as Director
1 April 2024Resigned Tajima, Wataru as Director
1 April 2024Appointed Mukai, Norio as Director
1 April 2024Appointed Iwakiri, Shogoro as Director
1 April 2023Resigned Takashima, Jiro as Director
1 April 2023Appointed Hirao, Yoshiaki as Director
1 April 2022Resigned Tomita, Tsukasa as Director
1 April 2022Appointed Tajima, Wataru as Director
1 April 2019Resigned Nakai, Izumi as Director
1 April 2019Appointed Tomita, Tsukasa as Director
29 June 2017Appointed Takashima, Jiro as Director
29 June 2017Resigned Yamamoto, Yasunori as Director
1 April 2016Appointed Nakai, Izumi as Director
1 April 2016Resigned Koyazaki, Makoto as Director
27 June 2013Resigned Miura, Yasuo as Director
27 June 2013Appointed Yamamoto, Yasunori as Director
27 June 2013Resigned Miura, Yasuo as Secretary
28 June 2012Appointed Koyazaki, Makoto as Director
28 June 2012Resigned Fukui, Shunji as Director
26 June 2009Appointed Miura, Yasuo as Director
26 June 2009Appointed Fukui, Shunji as Director
26 June 2009Appointed Miura, Yasuo as Secretary
26 June 2009Resigned Fujino, Hiroshi as Secretary
26 June 2009Resigned Fujino, Hiroshi as Director
28 June 2007Resigned Furusawa, Kouji as Director
29 June 2004Appointed Fujino, Hiroshi as Director
29 June 2004Resigned Tanaka, Shigetsugu as Director
29 June 2004Resigned Tanaka, Shigetsugu as Secretary
29 June 2004Appointed Fujino, Hiroshi as Secretary
1 October 2003Appointed Furusawa, Kouji as Director
1 October 2003Resigned Fujino, Hiroshi as Director
1 April 2000Resigned Hineno, Masakazu as Director
1 April 2000Appointed Fujino, Hiroshi as Director
26 June 1998Resigned Ichikawa, Tetsuo as Director
26 June 1998Appointed Hineno, Masakazu as Director
25 July 1997Appointed Ichikawa, Tetsuo as Director
25 July 1997Appointed Tanaka, Shigetsugu as Secretary
25 July 1997Appointed Tanaka, Shigetsugu as Director