24 June 2026Resigned Kobayashi, Tatsuoki as Director
1 April 2026Appointed Kobayashi, Tatsuoki as Director
31 March 2026Resigned Kumamaru, Atsushi as Director
28 February 2026Resigned Suzuki, Yuto as Director
1 April 2025Appointed Suzuki, Yuto as Director
1 April 2025Appointed Kumamaru, Atsushi as Director
31 March 2025Resigned Ogura, Kazushi as Director
31 March 2025Resigned Yamada, Fumihiko as Director
1 April 2023Appointed Yamada, Fumihiko as Director
1 April 2023Appointed Ogura, Kazushi as Director
31 March 2023Resigned Murakami, Yasushi as Director
31 March 2023Resigned Kataoka, Akihito as Director
1 April 2022Appointed Murakami, Yasushi as Director
1 April 2020Appointed Kataoka, Akihito as Director
31 March 2020Resigned Kurashige, Ichiro as Director
1 May 2019Appointed Kurashige, Ichiro as Director
30 April 2019Resigned Miyake, Satoshi as Director
1 April 2018Appointed Miyake, Satoshi as Director
31 March 2018Resigned Shimizu, Takashi as Director
1 April 2017Resigned Kobayashi, Tatsuoki as Director
1 April 2016Appointed Shimizu, Takashi as Director
1 April 2016Resigned Kurashige, Ichiro as Director
10 June 2015Appointed Kobayashi, Tatsuoki as Director
22 April 2015Resigned Kimura, Tatsuro as Director
4 February 2015Appointed Tomishima, Masataka as Director
29 January 2015Resigned Inoue, Ryuta as Director
28 April 2014Resigned Hori, Shuji as Director
1 November 2013Appointed Inoue, Ryuta as Director
1 May 2012Appointed Kurashige, Ichiro as Director
13 April 2012Appointed Hori, Shuji as Director
13 April 2012Appointed Kimura, Tatsuro as Director