Koatsu Gas Kogyo: FY2021 Q1 results announcement (Japanese GAAP, consolidated)
Change Report (Stock Certificates Eligible for Special Provisions, etc.)
Koatsu Gas Kogyo: Correction Report (Mass Ownership Report/Change Report)
Koatsu Gas Kogyo: Change Report (short-term mass transfer)
Koatsu Gas Kogyo: Mass Ownership Report
Koatsu Gas Kogyo: Extraordinary Report
Koatsu Gas Kogyo: Internal Control Report - 91st period (April 1, 2023 - March 31, 2024)
Koatsu Gas Kogyo: Confirmation letter
Koatsu Gas Kogyo: Securities Report - 91st fiscal year (April 1st, 2023 - March 31st, 2024)
Koatsu Gas Kogyo: Report on corporate governance, June 25, 2024.
Koatsu Gas Kogyo: Confirmation letter
Koatsu Gas Kogyo: Confirmation letter
Koatsu Gas Kogyo: Revised Securities Report - 90th fiscal year (April 1, 2022 to March 31, 2023)
Koatsu Gas Kogyo: Amended Annual Securities Report - 89th Period (04/01/2021-03/31/2022)
Koatsu Gas Kogyo: Independent Company Executives Declaration
Koatsu Gas Kogyo: Notice of 2024 Annual General Meeting of Shareholders
Koatsu Gas Kogyo: Notice of convocation of the 2024 Annual General Meeting of Shareholders
Koatsu Gas Kogyo: Summary of financial results for the fiscal year ending March 31, 2020 [Japanese GAAP] (consolidated)
Koatsu Gas Kogyo: Notice regarding dividends from surplus funds
Koatsu Gas Kogyo: Notice regarding changes in officers
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