Annual report
5987.TEDINET S100Z50O
Period2025-07-01 → 2026-06-30
Filed2026-09-30
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 145
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥5.3bn | 2025-07-01 → 2026-06-30 | Cons. | Net sales |
| Revenue | ¥5.1bn | 2024-07-01 → 2025-06-30 | Cons. | Net sales |
| Revenue | ¥5.0bn | 2023-07-01 → 2024-06-30d | Cons. | Net sales (5-year summary) |
| Revenue | ¥5.4bn | 2022-07-01 → 2023-06-30d | Cons. | Net sales (5-year summary) |
| Revenue | ¥5.3bn | 2021-07-01 → 2022-06-30d | Cons. | Net sales (5-year summary) |
| Operating income | ¥371m | 2025-07-01 → 2026-06-30 | Cons. | Operating income |
| Operating income | −¥47m | 2024-07-01 → 2025-06-30 | Cons. | Operating income |
| Ordinary income | ¥392m | 2025-07-01 → 2026-06-30 | Cons. | Ordinary income |
| Ordinary income | −¥26m | 2024-07-01 → 2025-06-30 | Cons. | Ordinary income |
| Ordinary income | ¥42m | 2023-07-01 → 2024-06-30d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥194m | 2022-07-01 → 2023-06-30d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥126m | 2021-07-01 → 2022-06-30d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥384m | 2025-07-01 → 2026-06-30 | Cons. | Income before income taxes |
| Profit before tax | ¥14m | 2024-07-01 → 2025-06-30 | Cons. | Income before income taxes |
| Net income (owners) | ¥383m | 2025-07-01 → 2026-06-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥3m | 2024-07-01 → 2025-06-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | −¥377m | 2023-07-01 → 2024-06-30d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥221m | 2022-07-01 → 2023-06-30d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥162m | 2021-07-01 → 2022-06-30d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥383m | 2025-07-01 → 2026-06-30 | Cons. | Profit loss |
| Net income | ¥3m | 2024-07-01 → 2025-06-30 | Cons. | Profit loss |
| Total assets | ¥8.3bn | at 2026-06-30 | Cons. | Assets |
| Total assets | ¥8.7bn | at 2025-06-30 | Cons. | Assets |
| Total assets | ¥8.9bn | at 2024-06-30d | Cons. | Total assets (5-year summary) |
| Total assets | ¥9.9bn | at 2023-06-30d | Cons. | Total assets (5-year summary) |
| Total assets | ¥9.8bn | at 2022-06-30d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥2.6bn | at 2026-06-30 | Cons. | Liabilities |
| Total liabilities | ¥3.4bn | at 2025-06-30 | Cons. | Liabilities |
| Net assets / equity | ¥5.7bn | at 2026-06-30 | Cons. | Net assets |
| Net assets / equity | ¥5.3bn | at 2025-06-30 | Cons. | Net assets |
| Net assets / equity | ¥5.3bn | at 2024-06-30d | Cons. | Net assets |
| Net assets / equity | ¥5.7bn | at 2023-06-30d | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥5.4bn | at 2022-06-30d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥2.8bn | at 2026-06-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥2.9bn | at 2025-06-30 | Cons. | Cash and deposits |
| Cash & equivalents | ¥2.5bn | at 2026-06-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥2.9bn | at 2025-06-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥2.7bn | at 2024-06-30d | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥2.5bn | at 2023-06-30d | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥2.4bn | at 2022-06-30d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥829m | 2025-07-01 → 2026-06-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥698m | 2024-07-01 → 2025-06-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥826m | 2023-07-01 → 2024-06-30d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥665m | 2022-07-01 → 2023-06-30d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥416m | 2021-07-01 → 2022-06-30d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥796m | 2025-07-01 → 2026-06-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | ¥97m | 2024-07-01 → 2025-06-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥222m | 2023-07-01 → 2024-06-30d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥375m | 2022-07-01 → 2023-06-30d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥462m | 2021-07-01 → 2022-06-30d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥432m | 2025-07-01 → 2026-06-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥574m | 2024-07-01 → 2025-06-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥424m | 2023-07-01 → 2024-06-30d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥202m | 2022-07-01 → 2023-06-30d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥156m | 2021-07-01 → 2022-06-30d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥231.29 | 2025-07-01 → 2026-06-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥1.75 | 2024-07-01 → 2025-06-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-227.97 | 2023-07-01 → 2024-06-30d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥133.72 | 2022-07-01 → 2023-06-30d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥97.71 | 2021-07-01 → 2022-06-30d | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥3,424.69 | at 2026-06-30 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,172.3 | at 2025-06-30 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,186.61 | at 2024-06-30d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,414.14 | at 2023-06-30d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,282.42 | at 2022-06-30d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 68.5% | at 2026-06-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 60.5% | at 2025-06-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 59.4% | at 2024-06-30d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 56.9% | at 2023-06-30d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 55.5% | at 2022-06-30d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 7.0% | 2025-07-01 → 2026-06-30 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 0.1% | 2024-07-01 → 2025-06-30 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 4.0% | 2022-07-01 → 2023-06-30d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 3.0% | 2021-07-01 → 2022-06-30d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 251 | at 2026-06-30 | Cons. | Number of employees |
| Employees | 244 | at 2025-06-30 | Cons. | Number of employees |
| Employees | 247 | at 2024-06-30d | Cons. | Number of employees |
| Employees | 263 | at 2023-06-30d | Cons. | Number of employees |
| Employees | 277 | at 2022-06-30d | Cons. | Number of employees |
| Revenue | ¥3.9bn | 2025-07-01 → 2026-06-30 | Standalone | Net sales |
| Revenue | ¥3.8bn | 2024-07-01 → 2025-06-30 | Standalone | Net sales |
| Revenue | ¥3.8bn | 2023-07-01 → 2024-06-30d | Standalone | Net sales (5-year summary) |
| Revenue | ¥4.1bn | 2022-07-01 → 2023-06-30d | Standalone | Net sales (5-year summary) |
| Revenue | ¥4.2bn | 2021-07-01 → 2022-06-30d | Standalone | Net sales (5-year summary) |
| Operating income | ¥275m | 2025-07-01 → 2026-06-30 | Standalone | Operating income |
| Operating income | −¥94m | 2024-07-01 → 2025-06-30 | Standalone | Operating income |
| Ordinary income | ¥317m | 2025-07-01 → 2026-06-30 | Standalone | Ordinary income |
| Ordinary income | −¥51m | 2024-07-01 → 2025-06-30 | Standalone | Ordinary income |
| Ordinary income | ¥42m | 2023-07-01 → 2024-06-30d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥164m | 2022-07-01 → 2023-06-30d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥121m | 2021-07-01 → 2022-06-30d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥310m | 2025-07-01 → 2026-06-30 | Standalone | Income before income taxes |
| Profit before tax | −¥15m | 2024-07-01 → 2025-06-30 | Standalone | Income before income taxes |
| Net income | ¥324m | 2025-07-01 → 2026-06-30 | Standalone | Profit loss |
| Net income | −¥11m | 2024-07-01 → 2025-06-30 | Standalone | Profit loss |
| Net income | −¥373m | 2023-07-01 → 2024-06-30d | Standalone | Net income loss (5-year summary) |
| Net income | ¥202m | 2022-07-01 → 2023-06-30d | Standalone | Net income loss (5-year summary) |
| Net income | ¥168m | 2021-07-01 → 2022-06-30d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥8.1bn | at 2026-06-30 | Standalone | Assets |
| Total assets | ¥8.7bn | at 2025-06-30 | Standalone | Assets |
| Total assets | ¥8.9bn | at 2024-06-30d | Standalone | Total assets (5-year summary) |
| Total assets | ¥9.9bn | at 2023-06-30d | Standalone | Total assets (5-year summary) |
| Total assets | ¥9.8bn | at 2022-06-30d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥2.3bn | at 2026-06-30 | Standalone | Liabilities |
| Total liabilities | ¥3.2bn | at 2025-06-30 | Standalone | Liabilities |
| Net assets / equity | ¥5.8bn | at 2026-06-30 | Standalone | Net assets |
| Net assets / equity | ¥5.4bn | at 2025-06-30 | Standalone | Net assets |
| Net assets / equity | ¥5.5bn | at 2024-06-30d | Standalone | Net assets |
| Net assets / equity | ¥5.8bn | at 2023-06-30d | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥5.7bn | at 2022-06-30d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥2.3bn | at 2026-06-30 | Standalone | Cash and deposits |
| Cash and deposits | ¥2.4bn | at 2025-06-30 | Standalone | Cash and deposits |
| EPS (basic) | ¥195.58 | 2025-07-01 → 2026-06-30 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-6.65 | 2024-07-01 → 2025-06-30 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-225.39 | 2023-07-01 → 2024-06-30d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥121.7 | 2022-07-01 → 2023-06-30d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥101.44 | 2021-07-01 → 2022-06-30d | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥20 | 2025-07-01 → 2026-06-30 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥20 | 2024-07-01 → 2025-06-30 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥20 | 2023-07-01 → 2024-06-30d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥20 | 2022-07-01 → 2023-06-30d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥20 | 2021-07-01 → 2022-06-30d | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥3,500.72 | at 2026-06-30 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥3,284.03 | at 2025-06-30 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥3,306.74 | at 2024-06-30d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥3,531.68 | at 2023-06-30d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥3,411.98 | at 2022-06-30d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 71.4% | at 2026-06-30 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 62.8% | at 2025-06-30 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 61.4% | at 2024-06-30d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 59.1% | at 2023-06-30d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 57.9% | at 2022-06-30d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 5.8% | 2025-07-01 → 2026-06-30 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 3.5% | 2022-07-01 → 2023-06-30d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 3.0% | 2021-07-01 → 2022-06-30d | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 1,660,000 | at 2026-06-30 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 1,660,000 | at 2025-06-30 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 1,660,000 | at 2024-06-30d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 1,660,000 | at 2023-06-30d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 1,660,000 | at 2022-06-30d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 181 | at 2026-06-30 | Standalone | Number of employees |
| Employees | 173 | at 2025-06-30 | Standalone | Number of employees |
| Employees | 185 | at 2024-06-30d | Standalone | Number of employees |
| Employees | 192 | at 2023-06-30d | Standalone | Number of employees |
| Employees | 203 | at 2022-06-30d | 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 · 50
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | revenue | 2025-07-01 → 2026-06-30 | −¥263m |
| Reconciling Itemsreconciling | revenue intersegment | 2025-07-01 → 2026-06-30 | −¥263m |
| Reconciling Itemsreconciling | segment assets | at 2026-06-30 | ¥353m |
| Reconciling Itemsreconciling | segment profit | 2025-07-01 → 2026-06-30 | ¥21m |
| Metal Heat Treatment And Processing Businessreportable segment | capex | 2025-07-01 → 2026-06-30 | ¥277m |
| Metal Heat Treatment And Processing Businessreportable segment | depreciation | 2025-07-01 → 2026-06-30 | ¥342m |
| Metal Heat Treatment And Processing Businessreportable segment | employees | at 2026-06-30 | 210 pure |
| Metal Heat Treatment And Processing Businessreportable segment | revenue | 2025-07-01 → 2026-06-30 | ¥4.7bn |
| Metal Heat Treatment And Processing Businessreportable segment | revenue external | 2025-07-01 → 2026-06-30 | ¥4.7bn |
| Metal Heat Treatment And Processing Businessreportable segment | segment assets | at 2026-06-30 | ¥7.3bn |
| Metal Heat Treatment And Processing Businessreportable segment | segment profit | 2025-07-01 → 2026-06-30 | ¥320m |
| Transportation Businessreportable segment | capex | 2025-07-01 → 2026-06-30 | ¥129m |
| Transportation Businessreportable segment | depreciation | 2025-07-01 → 2026-06-30 | ¥59m |
| Transportation Businessreportable segment | employees | at 2026-06-30 | 41 pure |
| Transportation Businessreportable segment | revenue | 2025-07-01 → 2026-06-30 | ¥878m |
| Transportation Businessreportable segment | revenue external | 2025-07-01 → 2026-06-30 | ¥615m |
| Transportation Businessreportable segment | revenue intersegment | 2025-07-01 → 2026-06-30 | ¥263m |
| Transportation Businessreportable segment | segment assets | at 2026-06-30 | ¥601m |
| Transportation Businessreportable segment | segment profit | 2025-07-01 → 2026-06-30 | ¥30m |
| Total Of Reportable Segments And Otherssegment total | capex | 2025-07-01 → 2026-06-30 | ¥406m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2025-07-01 → 2026-06-30 | ¥402m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-07-01 → 2026-06-30 | ¥5.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-07-01 → 2026-06-30 | ¥5.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-07-01 → 2026-06-30 | ¥263m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2026-06-30 | ¥7.9bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-07-01 → 2026-06-30 | ¥350m |
| Reconciling Itemsreconciling | revenue | 2024-07-01 → 2025-06-30 | −¥264m |
| Reconciling Itemsreconciling | revenue intersegment | 2024-07-01 → 2025-06-30 | −¥264m |
| Reconciling Itemsreconciling | segment assets | at 2025-06-30 | ¥53m |
| Reconciling Itemsreconciling | segment profit | 2024-07-01 → 2025-06-30 | ¥21m |
| Metal Heat Treatment And Processing Businessreportable segment | capex | 2024-07-01 → 2025-06-30 | ¥360m |
| Metal Heat Treatment And Processing Businessreportable segment | depreciation | 2024-07-01 → 2025-06-30 | ¥371m |
| Metal Heat Treatment And Processing Businessreportable segment | revenue | 2024-07-01 → 2025-06-30 | ¥4.5bn |
| Metal Heat Treatment And Processing Businessreportable segment | revenue external | 2024-07-01 → 2025-06-30 | ¥4.5bn |
| Metal Heat Treatment And Processing Businessreportable segment | segment assets | at 2025-06-30 | ¥8.1bn |
| Metal Heat Treatment And Processing Businessreportable segment | segment profit | 2024-07-01 → 2025-06-30 | −¥102m |
| Transportation Businessreportable segment | capex | 2024-07-01 → 2025-06-30 | ¥66m |
| Transportation Businessreportable segment | depreciation | 2024-07-01 → 2025-06-30 | ¥60m |
| Transportation Businessreportable segment | revenue | 2024-07-01 → 2025-06-30 | ¥867m |
| Transportation Businessreportable segment | revenue external | 2024-07-01 → 2025-06-30 | ¥603m |
| Transportation Businessreportable segment | revenue intersegment | 2024-07-01 → 2025-06-30 | ¥264m |
| Transportation Businessreportable segment | segment assets | at 2025-06-30 | ¥527m |
| Transportation Businessreportable segment | segment profit | 2024-07-01 → 2025-06-30 | ¥34m |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-07-01 → 2025-06-30 | ¥426m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-07-01 → 2025-06-30 | ¥432m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-07-01 → 2025-06-30 | ¥5.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-07-01 → 2025-06-30 | ¥5.1bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-07-01 → 2025-06-30 | ¥264m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-06-30 | ¥8.6bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-07-01 → 2025-06-30 | −¥68m |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,521
| Item | Context | Value | Unit |
|---|---|---|---|
| Net sales | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 5557890000 | JPY |
| Net sales | CurrentYearDuration_ReconcilingItemsMember | -262958000 | JPY |
| Net sales | CurrentYearDuration | 5294932000 | JPY |
| Operating income | CurrentYearDuration_jpcrp030000-asr_E01446-000MetalHeatTreatmentAndProcessingBusinessReportableSegmentsMember | 320064000 | JPY |
| Operating income | CurrentYearDuration_jpcrp030000-asr_E01446-000TransportationBusinessReportableSegmentsMember | 30363000 | JPY |
| Operating income | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 350427000 | JPY |
| Operating income | CurrentYearDuration_ReconcilingItemsMember | 21060000 | JPY |
| Operating income | CurrentYearDuration | 371487000 | JPY |
| Assets | CurrentYearInstant_jpcrp030000-asr_E01446-000MetalHeatTreatmentAndProcessingBusinessReportableSegmentsMember | 7318344000 | JPY |
| Assets | CurrentYearInstant_jpcrp030000-asr_E01446-000TransportationBusinessReportableSegmentsMember | 601180000 | JPY |
| Assets | CurrentYearInstant_TotalOfReportableSegmentsAndOthersMember | 7919524000 | JPY |
| Assets | CurrentYearInstant_ReconcilingItemsMember | 352546000 | JPY |
| Assets | CurrentYearInstant | 8272071000 | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E01446-000MetalHeatTreatmentAndProcessingBusinessReportableSegmentsMember | 342466000 | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E01446-000TransportationBusinessReportableSegmentsMember | 59428000 | JPY |
| Depreciation segment information | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 401895000 | JPY |
| Depreciation segment information | CurrentYearDuration_ReconcilingItemsMember | － | JPY |
| Depreciation segment information | CurrentYearDuration | 401895000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_jpcrp030000-asr_E01446-000MetalHeatTreatmentAndProcessingBusinessReportableSegmentsMember | 277342000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_jpcrp030000-asr_E01446-000TransportationBusinessReportableSegmentsMember | 128905000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 406248000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_ReconcilingItemsMember | － | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration | 406248000 | JPY |
| Cash and deposits | Prior1YearInstant_NonConsolidatedMember | 2414464000 | JPY |
| Cash and deposits | CurrentYearInstant_NonConsolidatedMember | 2290607000 | JPY |
| Notes receivable trade | Prior1YearInstant_NonConsolidatedMember | 129443000 | JPY |
| Notes receivable trade | CurrentYearInstant_NonConsolidatedMember | 5551000 | JPY |
| Electronically recorded monetary claims operating ca | Prior1YearInstant_NonConsolidatedMember | 532722000 | JPY |
| Electronically recorded monetary claims operating ca | CurrentYearInstant_NonConsolidatedMember | 310754000 | JPY |
| Accounts receivable trade | Prior1YearInstant_NonConsolidatedMember | 471675000 | JPY |
| Accounts receivable trade | CurrentYearInstant_NonConsolidatedMember | 416414000 | JPY |
| Finished goods | Prior1YearInstant_NonConsolidatedMember | 19184000 | JPY |
| Finished goods | CurrentYearInstant_NonConsolidatedMember | 12535000 | JPY |
| Work in process | Prior1YearInstant_NonConsolidatedMember | 47805000 | JPY |
| Work in process | CurrentYearInstant_NonConsolidatedMember | 32465000 | JPY |
| Raw materials and supplies | Prior1YearInstant_NonConsolidatedMember | 82911000 | JPY |
| Raw materials and supplies | CurrentYearInstant_NonConsolidatedMember | 85650000 | JPY |
| Prepaid expenses | Prior1YearInstant_NonConsolidatedMember | 2760000 | JPY |
| Prepaid expenses | CurrentYearInstant_NonConsolidatedMember | 3108000 | JPY |
| Accounts receivable other | Prior1YearInstant_NonConsolidatedMember | 50212000 | JPY |
| Accounts receivable other | CurrentYearInstant_NonConsolidatedMember | 57771000 | JPY |
| Other ca | Prior1YearInstant_NonConsolidatedMember | 38664000 | JPY |
| Other ca | CurrentYearInstant_NonConsolidatedMember | 12079000 | JPY |
| Current assets | Prior1YearInstant_NonConsolidatedMember | 3789843000 | JPY |
| Current assets | CurrentYearInstant_NonConsolidatedMember | 3226938000 | JPY |
| Buildings net | Prior1YearInstant_NonConsolidatedMember | 585544000 | JPY |
| Buildings net | CurrentYearInstant_NonConsolidatedMember | 704002000 | JPY |
| Structures net | Prior1YearInstant_NonConsolidatedMember | 8271000 | JPY |
| Structures net | CurrentYearInstant_NonConsolidatedMember | 33330000 | JPY |
| Machinery and equipment net | Prior1YearInstant_NonConsolidatedMember | 231149000 | JPY |
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 rounding |
| 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 |