28 April 2026Resigned Miyata, Yasuhiro as Secretary
28 April 2026Appointed Shibata, Toshitaka as Secretary
1 June 2024Resigned Komukai, Suguru as Director
1 June 2024Appointed Kato, Shuzo as Director
1 August 2023Resigned Kato, Shuzo as Director
1 August 2023Appointed Komukai, Suguru as Director
1 April 2023Resigned Ichinose, Hiroshi as Secretary
1 April 2023Appointed Kato, Shuzo as Director
1 April 2023Appointed Miyata, Yasuhiro as Secretary
1 April 2023Appointed Futamata, Motonori as Director
1 April 2023Resigned Shimizu, Eiji as Director
1 April 2023Resigned Yamaguchi, Hisakazu as Director
1 September 2022Appointed Shimizu, Eiji as Director
1 September 2022Resigned Kato, Shuzo as Director
1 April 2021Appointed Kato, Shuzo as Director
1 April 2021Resigned Onozawa, Kosuke as Director
1 April 2019Appointed Ichinose, Hiroshi as Secretary
1 April 2019Resigned Matsuo, Toshihiro as Secretary
1 December 2018Resigned Makanae, Hironori as Director
1 December 2018Appointed Yamaguchi, Hisakazu as Director
1 April 2018Resigned Inoue, Daisuke as Director
1 April 2018Appointed Onozawa, Kosuke as Director
1 April 2017Appointed Makanae, Hironori as Director
1 April 2017Resigned Inomata, Jun as Director
1 April 2015Resigned Miyata, Yasuhiro, Vice President Director as Director
1 April 2015Appointed Inoue, Daisuke as Director
1 April 2015Resigned Imai, Shigetoshi as Director
1 April 2015Appointed Inomata, Jun as Director
1 October 2014Appointed Matsuo, Toshihiro as Secretary
1 October 2014Resigned Tanaka, Michio as Secretary
1 January 2014Appointed Miyata, Yasuhiro, Vice President Director as Director
1 January 2014Resigned Doi, Yuichiro as Director
8 August 2013Appointed Tanaka, Michio as Secretary
8 August 2013Resigned Ino, Daichi as Secretary
1 April 2013Appointed Doi, Yuichiro as Director
1 April 2013Resigned Hiraishi, Yukio as Director
1 April 2013Resigned Uede, Katsuichi as Director
1 April 2013Appointed Imai, Shigetoshi as Director
1 April 2012Appointed Hiraishi, Yukio as Director
25 May 2011Appointed Uede, Katsuichi as Director
25 May 2011Appointed Ino, Daichi as Secretary