Annual report
5491.TEDINET S100W66M
Period2024-04-01 → 2025-03-31
Filed2025-06-26
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 144
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥51.3bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales |
| Revenue | ¥51.4bn | 2023-04-01 → 2024-03-31 | Cons. | Net sales |
| Revenue | ¥52.6bn | 2022-04-01 → 2023-03-31d | Cons. | Net sales (5-year summary) |
| Revenue | ¥49.1bn | 2021-04-01 → 2022-03-31d | Cons. | Net sales (5-year summary) |
| Revenue | ¥40.1bn | 2020-04-01 → 2021-03-31d | Cons. | Net sales (5-year summary) |
| Operating income | −¥189m | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Operating income | −¥1.1bn | 2023-04-01 → 2024-03-31 | Cons. | Operating income |
| Ordinary income | −¥474m | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | −¥1.3bn | 2023-04-01 → 2024-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.3bn | 2022-04-01 → 2023-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.3bn | 2021-04-01 → 2022-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | −¥2.5bn | 2020-04-01 → 2021-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.4bn | 2024-04-01 → 2025-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥2.4bn | 2023-04-01 → 2024-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥703m | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥1.5bn | 2023-04-01 → 2024-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥916m | 2022-04-01 → 2023-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥2.5bn | 2021-04-01 → 2022-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | −¥277m | 2020-04-01 → 2021-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥703m | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Net income | ¥1.5bn | 2023-04-01 → 2024-03-31 | Cons. | Profit loss |
| Total assets | ¥69.9bn | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥75.1bn | at 2024-03-31 | Cons. | Assets |
| Total assets | ¥73.9bn | at 2023-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥72.2bn | at 2022-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥64.2bn | at 2021-03-31d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥42.0bn | at 2025-03-31 | Cons. | Liabilities |
| Total liabilities | ¥48.2bn | at 2024-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥27.9bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥26.9bn | at 2024-03-31 | Cons. | Net assets |
| Net assets / equity | ¥24.4bn | at 2023-03-31d | Cons. | Net assets |
| Net assets / equity | ¥23.3bn | at 2022-03-31d | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥20.5bn | at 2021-03-31d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥12.0bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥12.0bn | at 2024-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥11.8bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥11.9bn | at 2024-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥8.0bn | at 2023-03-31d | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥10.1bn | at 2022-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥8.7bn | at 2021-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥1.2bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | −¥203m | 2023-04-01 → 2024-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | −¥1.5bn | 2022-04-01 → 2023-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥4.5bn | 2021-04-01 → 2022-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥2.3bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | ¥1.7bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | ¥4.2bn | 2023-04-01 → 2024-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥2.7bn | 2022-04-01 → 2023-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥2.7bn | 2021-04-01 → 2022-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥2.0bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥3.2bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥502m | 2023-04-01 → 2024-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | ¥2.0bn | 2022-04-01 → 2023-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥399m | 2021-04-01 → 2022-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥2.3bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥105.08 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥230.84 | 2023-04-01 → 2024-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥136.94 | 2022-04-01 → 2023-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥376.1 | 2021-04-01 → 2022-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-41.41 | 2020-04-01 → 2021-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥4,161.4 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥4,012.92 | at 2024-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,652.27 | at 2023-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,482.66 | at 2022-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,058.54 | at 2021-03-31d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 39.9% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 35.8% | at 2024-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 33.1% | at 2023-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 32.3% | at 2022-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 31.9% | at 2021-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 2.6% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 6.0% | 2023-04-01 → 2024-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 3.8% | 2022-04-01 → 2023-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 11.5% | 2021-04-01 → 2022-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | -1.4% | 2020-04-01 → 2021-03-31d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 828 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 855 | at 2024-03-31 | Cons. | Number of employees |
| Employees | 873 | at 2023-03-31d | Cons. | Number of employees |
| Employees | 884 | at 2022-03-31d | Cons. | Number of employees |
| Employees | 878 | at 2021-03-31d | Cons. | Number of employees |
| Revenue | ¥39.2bn | 2024-04-01 → 2025-03-31 | Standalone | Net sales |
| Revenue | ¥40.4bn | 2023-04-01 → 2024-03-31 | Standalone | Net sales |
| Revenue | ¥43.6bn | 2022-04-01 → 2023-03-31d | Standalone | Net sales (5-year summary) |
| Revenue | ¥39.8bn | 2021-04-01 → 2022-03-31d | Standalone | Net sales (5-year summary) |
| Revenue | ¥32.4bn | 2020-04-01 → 2021-03-31d | Standalone | Net sales (5-year summary) |
| Operating income | −¥1.1bn | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Operating income | −¥1.9bn | 2023-04-01 → 2024-03-31 | Standalone | Operating income |
| Ordinary income | −¥1.4bn | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | −¥1.9bn | 2023-04-01 → 2024-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥383m | 2022-04-01 → 2023-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥338m | 2021-04-01 → 2022-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | −¥3.0bn | 2020-04-01 → 2021-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥483m | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥1.8bn | 2023-04-01 → 2024-03-31 | Standalone | Income before income taxes |
| Net income | ¥316m | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥1.2bn | 2023-04-01 → 2024-03-31 | Standalone | Profit loss |
| Net income | ¥320m | 2022-04-01 → 2023-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | ¥1.8bn | 2021-04-01 → 2022-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | −¥631m | 2020-04-01 → 2021-03-31d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥56.0bn | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥61.6bn | at 2024-03-31 | Standalone | Assets |
| Total assets | ¥61.9bn | at 2023-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥60.8bn | at 2022-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥53.8bn | at 2021-03-31d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥35.5bn | at 2025-03-31 | Standalone | Liabilities |
| Total liabilities | ¥41.2bn | at 2024-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥20.5bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥20.4bn | at 2024-03-31 | Standalone | Net assets |
| Net assets / equity | ¥19.0bn | at 2023-03-31d | Standalone | Net assets |
| Net assets / equity | ¥18.5bn | at 2022-03-31d | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥16.6bn | at 2021-03-31d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥7.5bn | at 2025-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥8.5bn | at 2024-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥47.26 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥175.87 | 2023-04-01 → 2024-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥47.82 | 2022-04-01 → 2023-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥267.09 | 2021-04-01 → 2022-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-94.27 | 2020-04-01 → 2021-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥5 | 2022-04-01 → 2023-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥3,068.67 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥3,046.27 | at 2024-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,832.89 | at 2023-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,762.05 | at 2022-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,484.32 | at 2021-03-31d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 36.7% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 33.1% | at 2024-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 30.6% | at 2023-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 30.4% | at 2022-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 30.9% | at 2021-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 1.5% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 6.0% | 2023-04-01 → 2024-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 1.7% | 2022-04-01 → 2023-03-31d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 10.2% | 2021-04-01 → 2022-03-31d | Standalone | Rate of return on equity (5-year summary) |
| ROE | -3.7% | 2020-04-01 → 2021-03-31d | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 6,700,000 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 6,700,000 | at 2024-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 6,700,000 | at 2023-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 6,700,000 | at 2022-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 6,700,000 | at 2021-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 559 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 574 | at 2024-03-31 | Standalone | Number of employees |
| Employees | 589 | at 2023-03-31d | Standalone | Number of employees |
| Employees | 592 | at 2022-03-31d | Standalone | Number of employees |
| Employees | 582 | at 2021-03-31d | Standalone | Number of employees |
Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.
Segments · 58
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | capex | 2024-04-01 → 2025-03-31 | ¥330m |
| Reconciling Itemsreconciling | depreciation | 2024-04-01 → 2025-03-31 | ¥140m |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2025-03-31 | −¥1.4bn |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2025-03-31 | −¥1.4bn |
| Reconciling Itemsreconciling | segment assets | at 2025-03-31 | ¥11.1bn |
| Reconciling Itemsreconciling | segment profit | 2024-04-01 → 2025-03-31 | −¥1.1bn |
| Processed Products Divisionreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥178m |
| Processed Products Divisionreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥224m |
| Processed Products Divisionreportable segment | employees | at 2025-03-31 | 183 pure |
| Processed Products Divisionreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥10.2bn |
| Processed Products Divisionreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥10.2bn |
| Processed Products Divisionreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥8m |
| Processed Products Divisionreportable segment | segment assets | at 2025-03-31 | ¥8.1bn |
| Processed Products Divisionreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥315m |
| Steel Strip Divisionreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥1.1bn |
| Steel Strip Divisionreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥1.4bn |
| Steel Strip Divisionreportable segment | employees | at 2025-03-31 | 530 pure |
| Steel Strip Divisionreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥42.5bn |
| Steel Strip Divisionreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥41.1bn |
| Steel Strip Divisionreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥1.4bn |
| Steel Strip Divisionreportable segment | segment assets | at 2025-03-31 | ¥50.7bn |
| Steel Strip Divisionreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥601m |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-04-01 → 2025-03-31 | ¥1.3bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-04-01 → 2025-03-31 | ¥1.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2025-03-31 | ¥52.7bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2025-03-31 | ¥51.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥1.4bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-03-31 | ¥58.8bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-04-01 → 2025-03-31 | ¥916m |
| Reconciling Itemsreconciling | capex | 2023-04-01 → 2024-03-31 | ¥145m |
| Reconciling Itemsreconciling | depreciation | 2023-04-01 → 2024-03-31 | ¥134m |
| Reconciling Itemsreconciling | revenue | 2023-04-01 → 2024-03-31 | −¥1.4bn |
| Reconciling Itemsreconciling | revenue intersegment | 2023-04-01 → 2024-03-31 | −¥1.4bn |
| Reconciling Itemsreconciling | segment assets | at 2024-03-31 | ¥12.2bn |
| Reconciling Itemsreconciling | segment profit | 2023-04-01 → 2024-03-31 | −¥1.2bn |
| Processed Products Divisionreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥225m |
| Processed Products Divisionreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥374m |
| Processed Products Divisionreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥10.4bn |
| Processed Products Divisionreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥10.4bn |
| Processed Products Divisionreportable segment | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥8m |
| Processed Products Divisionreportable segment | segment assets | at 2024-03-31 | ¥9.7bn |
| Processed Products Divisionreportable segment | segment profit | 2023-04-01 → 2024-03-31 | ¥556m |
| Steel Strip Divisionreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥976m |
| Steel Strip Divisionreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥1.3bn |
| Steel Strip Divisionreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥42.4bn |
| Steel Strip Divisionreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥41.0bn |
| Steel Strip Divisionreportable segment | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥1.4bn |
| Steel Strip Divisionreportable segment | segment assets | at 2024-03-31 | ¥53.2bn |
| Steel Strip Divisionreportable segment | segment profit | 2023-04-01 → 2024-03-31 | −¥418m |
| Total Of Reportable Segments And Otherssegment total | capex | 2023-04-01 → 2024-03-31 | ¥1.2bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2023-04-01 → 2024-03-31 | ¥1.7bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2023-04-01 → 2024-03-31 | ¥52.8bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2023-04-01 → 2024-03-31 | ¥51.4bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥1.4bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2024-03-31 | ¥62.9bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2023-04-01 → 2024-03-31 | ¥138m |
| Processed Products Divisionreportable segment | employees | at 2025-03-31 | 125 pure |
| Steel Strip Divisionreportable segment | employees | at 2025-03-31 | 330 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,747
| Item | Context | Value | Unit |
|---|---|---|---|
| Purchase of treasury stock | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | － | JPY |
| Purchase of treasury stock | CurrentYearDuration_NonConsolidatedMember | -0 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | -77000000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_RevaluationReserveForLandMember | -88000000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | -166000000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember | -166000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | -77000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_RevaluationReserveForLandMember | -88000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | -166000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember | 149000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 814000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_RevaluationReserveForLandMember | 5988000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 6803000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember | 20541000000 | JPY |
| Trade notes receivable transferred by endorsement | Prior1YearInstant_NonConsolidatedMember | 20000000 | JPY |
| Trade notes receivable transferred by endorsement | CurrentYearInstant_NonConsolidatedMember | 15000000 | JPY |
| Freightage and packing expenses sga | Prior1YearDuration_NonConsolidatedMember | 1051000000 | JPY |
| Freightage and packing expenses sga | CurrentYearDuration_NonConsolidatedMember | 1065000000 | JPY |
| Directors compensations sga | Prior1YearDuration_NonConsolidatedMember | 152000000 | JPY |
| Directors compensations sga | CurrentYearDuration_NonConsolidatedMember | 147000000 | JPY |
| Salaries and wages sga | Prior1YearDuration_NonConsolidatedMember | 1231000000 | JPY |
| Salaries and wages sga | CurrentYearDuration_NonConsolidatedMember | 1171000000 | JPY |
| Provision for bonuses sga | Prior1YearDuration_NonConsolidatedMember | 56000000 | JPY |
| Provision for bonuses sga | CurrentYearDuration_NonConsolidatedMember | 53000000 | JPY |
| Retirement benefit expenses sga | Prior1YearDuration_NonConsolidatedMember | 99000000 | JPY |
| Retirement benefit expenses sga | CurrentYearDuration_NonConsolidatedMember | 102000000 | JPY |
| Depreciation sga | Prior1YearDuration_NonConsolidatedMember | 133000000 | JPY |
| Depreciation sga | CurrentYearDuration_NonConsolidatedMember | 139000000 | JPY |
| Provision of allowance for doubtful accounts sga | Prior1YearDuration_NonConsolidatedMember | -10000000 | JPY |
| Provision of allowance for doubtful accounts sga | CurrentYearDuration_NonConsolidatedMember | -6000000 | JPY |
| Document title cover page | FilingDateInstant | Original text (Japanese)有価証券報告書 | |
| Clause of stipulation cover page | FilingDateInstant | Original text (Japanese)金融商品取引法第24条第１項 | |
| Place of filing cover page | FilingDateInstant | Original text (Japanese)関東財務局長 | |
| Filing date cover page | FilingDateInstant | 2025-06-26 | |
| Fiscal year cover page | FilingDateInstant | Original text (Japanese)第118期（自 2024年４月１日 至 2025年３月31日） | |
| Company name cover page | FilingDateInstant | Original text (Japanese)日本金属株式会社 | |
| Company name in english cover page | FilingDateInstant | NIPPON KINZOKU CO., LTD. | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)取締役社長 下川 康志 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)東京都板橋区舟渡四丁目10番１号（上記は登記上の本店所在地でありますが、本店業務は下記の本社事務所で行っております。） | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | － | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | － | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都港区芝五丁目29番11号 G-BASE田町 本社事務所 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | Original text (Japanese)03-5765-8111（大代表） | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)財務部長 佐藤 嘉宣 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E01276 | |
| Fund code | FilingDateInstant | － | |
| Security code | FilingDateInstant | 54910 | |
| Filer name in japanese | FilingDateInstant | Original text (Japanese)日本金属株式会社 | |
| Filer name in english | FilingDateInstant | NIPPON KINZOKU CO., LTD. |
Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.
Data checks · 24 of 24 passed
| balance sheet identity | pass |
| balance sheet identity | pass rounding |
| balance sheet identity | pass |
| balance sheet identity | pass rounding |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |