Company Information
Sustainability
IR Information
Technical Information
We have posted an announcement regarding the establishment of our overseas representative office. (140 KB)
"Shareholders' Newsletter (3rd Quarter of the 91st Fiscal Year)" has been posted. (1 MB)
"Notice regarding changes in executive officers" has been posted. (164 KB)
"Third Quarter Financial Results for the Fiscal Year Ending March 2026 (Japanese GAAP) (Consolidated)" has been posted. (226 KB)
"Supplementary Information on Third Quarter Financial Results for the Fiscal Year Ending March 2026" has been posted. (2 MB)
"Notice regarding revision of year-end dividend forecast (dividend increase)" has been posted. (137 KB)
The "DeROs-E"Energy Recovery Devices for water treatment facilities won the Minister of Economy, Trade and Industry Award at the 2025 Energy Conservation Grand Prize (Reiwa 7). (352 KB)
The 91st Interim Report has been posted. (10 MB)
We have posted a final report on the progress of measures to prevent recurrence. (294 KB)
The 91st Semiannual Report has been posted. (304 KB)
"Financial Results for the Second Quarter (Interim) of the Fiscal Year Ending March 31, 2026 (Japanese GAAP) (Consolidated)" has been posted. (237 KB)
"Supplementary materials for the second quarter (interim) financial results for the fiscal year ending March 2026" have been posted. (2 MB)
"Notice regarding the completion of payment for the disposal of treasury stock as a restricted stock incentive for the employee stock ownership plan and partial forfeiture of rights" has been posted. (125 KB)
"Shareholders' Newsletter (1st Quarter of the 91st Fiscal Year)" has been posted. (848 KB)
"Summary of First Quarter Financial Results for the Fiscal Year Ending March 31, 2026 (Japanese GAAP) (Consolidated)" has been posted. (226 KB)
"Supplementary Explanatory Materials for the First Quarter of the Fiscal Year Ending March 2026" has been posted. (2 MB)
"Notice regarding the completion of payment for the disposal of treasury stock as restricted stock compensation" has been posted. (121 KB)
"Notice regarding the disposal of treasury stock as restricted stock compensation" has been posted. (162 KB)
The "90th Report" has been posted. (4 MB)
"90th Annual Securities Report" has been posted. (1 MB)
"90th Ordinary General Meeting of Shareholders Materials" has been posted. (847 KB)
"Notice of the 90th Ordinary General Meeting of Shareholders" has been posted. (5 MB)
"Notice regarding dividends of surplus" has been posted. (137 KB)
"Notice regarding changes in executive officers" has been posted. (173 KB)
"Financial Results Summary for the Fiscal Year Ending March 2025 (Japanese GAAP) (Consolidated)" has been posted. (337 KB)
"Supplementary materials for the fiscal year ending March 2025" has been posted. (2 MB)
We have posted "Notice regarding the revision (increase) of the final dividend forecast for the fiscal year ending March 2025 and the dividend forecast for the fiscal year ending March 2026 (115th anniversary commemorative dividend)." (145 KB)
"Review of the Mid-term Management Plan 2025" has been posted. (336 KB)
"Notice regarding the disposal of treasury stock as a restricted stock incentive for employee stock ownership plans" has been posted. (277 KB)
"90th Term Third Quarter Shareholders' Communication" has been posted. (1 MB)
"Notice regarding changes in executive officers" has been posted. (171 KB)
"Third Quarter Financial Results for the Fiscal Year Ending March 2025 (Japanese GAAP) (Consolidated)" has been posted. (270 KB)
"Notice regarding revision of year-end dividend forecast (dividend increase)" has been posted. (135 KB)
"Notice regarding changes (expansion) to the shareholder benefits program" has been posted. (171 KB)
We have posted "Announcement regarding the results of the share buyback through off-auction own share repurchase trading (ToSTNeT-3) and the completion of the share buyback." (145 KB)
We have posted "Notice regarding the repurchase of treasury stock and the repurchase of treasury stock through off-auction treasury stock repurchase trading (ToSTNeT-3)." (161 KB)
The "90th Interim Report" has been posted. (2 MB)
"Notice regarding progress of measures to prevent recurrence (progress of disclosure matters)" has been posted. (294 KB)
The 90th Semiannual Report has been posted. (309 KB)
"Summary of Financial Results for the Second Quarter (Interim) of the Fiscal Year Ending March 31, 2025 (Japanese GAAP) (Consolidated)" has been posted. (243 KB)
"Shareholders' Newsletter (1st Quarter of the 90th Fiscal Year)" has been posted. (764 KB)
"Summary of First Quarter Financial Results for the Fiscal Year Ending March 2025 (Japanese GAAP) (Consolidated)" has been posted. (274 KB)
"(Correction) Partial Correction to the 'Notice Concerning the Submission of an Amended Internal Control Report'" has been posted. (281 KB)
The "89th Fiscal Year Report (April 1, 2023 - March 31, 2024)" has been posted. (4 MB)
"Notice of the 89th Ordinary General Meeting of Shareholders' Adjournment" has been posted. (3 MB)
"Materials for the 89th Ordinary General Meeting of Shareholders Adjournment" has been posted. (406 KB)
"Notice regarding the disposal of treasury stock as restricted stock compensation" has been posted. (112 KB)
"Notice regarding material deficiencies in internal controls related to financial reporting that should be disclosed" has been posted. (272 KB)
"89th Annual Securities Report" has been posted. (1 MB)
"Notice regarding the date and time of the continuation session of the 89th Ordinary General Meeting of Shareholders" has been posted. (235 KB)
We have posted "Notice regarding the disclosure of the financial results summary for the fiscal year ending March 2024 exceeding 50 days after the end of the fiscal year." (244 KB)
"Financial Results Summary (Japanese GAAP) (Consolidated) for the Fiscal Year Ending March 2024" has been posted. (277 KB)
"Notice regarding the announcement date for financial results for the fiscal year ending March 2024" has been posted. (198 KB)
"Notice regarding the policy for holding a continuation meeting of the 89th Ordinary General Meeting of Shareholders" has been posted. (241 KB)
"Partial amendments to the Notice of the 89th Ordinary General Meeting of Shareholders" has been posted. (126 KB)
"Notice of the 89th Ordinary General Meeting of Shareholders" has been posted. (3 MB)
"Continuation of our policy regarding large-scale purchases of our company's shares (takeover policy)" has been posted. (485 KB)
"Notice regarding changes in representative Director and executive officers" has been posted. (187 KB)
"Notice regarding dividends from surplus" has been posted. (142 KB)
"Notice regarding the formulation of measures to prevent recurrence and reduction of executive compensation" has been posted. (311 KB)
"Notice regarding the submission of an amended report on the internal control report" has been posted. (270 KB)
"Notice regarding postponement of announcement of financial results for the fiscal year ending March 2024" has been posted. (222 KB)
"Notice regarding the completion of submission of the third quarter report for the fiscal year ending March 2024" has been posted. (192 KB)
The "89th Term Third Quarter Report" has been posted. (300 KB)
"Third Quarter Financial Results for the Fiscal Year Ending March 2024 (Japanese GAAP) (Consolidated)" has been posted. (212 KB)
"Notice regarding receipt of the investigation report from the Special Investigation Committee" has been posted. (2 MB)
"Notice of Approval of Extension (Re-Extension) of the Deadline for Submission of Third Quarter Report for the Fiscal Year Ending March 31, 2024" has been posted. (229 KB)
We have posted the "Notice regarding the submission of an application for approval regarding the extension (re-extension) of the deadline for the submission of the third quarterly report for the fiscal year ending March 2024." (263 KB)
"Notice regarding the progress of the investigation by the Special Investigation Committee" has been posted. (191 KB)
"Notice regarding changes in executive officers" has been posted. (166 KB)
"Notice of approval regarding extension of deadline for submission of third quarter report for fiscal year ending March 2024" has been posted. (227 KB)
"Notice regarding the submission of an application for approval regarding the extension of the deadline for the submission of the third quarterly report for the fiscal year ending March 2024" has been posted. (256 KB)
We have posted a notice regarding the establishment of a special investigation committee, postponement of the announcement of third-quarter financial results for the fiscal year ending March 2024, and consideration of an extension of the deadline for submitting quarterly reports. (195 KB)