June 28, 2023 Annual Securities Report – 110th term (Apr 1, 2022 – Mar 31, 2023)
Dec 26, 2022 Semiannual Securities Report – 110th term (Apr 1, 2022 – Sep 30, 2022)
June 29, 2022 Annual Securities Report – 109th term (Apr 1, 2021 – Mar 31, 2022)
Feb 11, 2022 Notice of Close of Fukuoka Office.
Dec 31, 2021 Notice of Close of Tohoku Urethane Office.
Dec 28, 2021 Semiannual Securities Report – 109th term (Apr 1, 2021 – Sep 30, 2021)
Dec 1, 2021 Notice of Open of Hiroshima Office.
July 8, 2021 Notice of Relocation of Tokyo Office and Chemical Products Office.
June 28, 2021 Annual Securities Report – 108th term (Apr 1, 2020 – Mar 31, 2021)
June 1, 2021 Notice of Relocation of Nagoya Office.
Dec 24, 2020 Semiannual Securities Report – 108th term (Apr 1, 2020 – Sep 30, 2020)
June 29, 2020 Annual Securities Report – 107th term (Apr 1, 2019 – Mar 31, 2020)
Dec 25, 2019 Semiannual Securities Report – 107th term (Apr 1, 2019 – Sep 30, 2019)
June 27, 2019 Annual Securities Report – 106th term (Apr 1, 2018 – Mar 31, 2019)
Dec 27, 2018 Notice of Completion of Shares and Business Transfer with Toyo Tire & Rubber Co., Ltd.
Dec 26, 2018 Semiannual Securities Report – 106th term (Apr 1, 2018 – Sep 30, 2018)
Aug 3, 2018 Notice of Shares and Business Transfer with Toyo Tire & Rubber Co., Ltd.
June 28, 2018 Annual Securities Reports – 105th term (Apr 1, 2017 – Mar 31, 2018)
Dec 25, 2017 Semiannual Securities Report – 105th term (Apr 1, 2017 – Sep 30, 2017)
June 29, 2017 Annual Securities Reports – 104th term (Apr 1, 2016 – Mar 31, 2017)
Dec 26, 2016 Semiannual Securities Report – 104th term (Apr 1, 2016 – Sep 30, 2016)
Jun 29, 2016 Annual Securities Reports – 103rd term (Apr 1, 2015 – Mar 31, 2016)