Annual report
5484.TEDINET S100W1VJ
Period2024-04-01 → 2025-03-31
Filed2025-06-23
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 147
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥21.2bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales |
| Revenue | ¥21.3bn | 2023-04-01 → 2024-03-31 | Cons. | Net sales |
| Revenue | ¥21.6bn | 2022-04-01 → 2023-03-31d | Cons. | Net sales (5-year summary) |
| Revenue | ¥19.9bn | 2021-04-01 → 2022-03-31d | Cons. | Net sales (5-year summary) |
| Revenue | ¥16.2bn | 2020-04-01 → 2021-03-31d | Cons. | Net sales (5-year summary) |
| Operating income | ¥1.2bn | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Operating income | ¥1.3bn | 2023-04-01 → 2024-03-31 | Cons. | Operating income |
| Ordinary income | ¥1.4bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.4bn | 2023-04-01 → 2024-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.4bn | 2022-04-01 → 2023-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥2.1bn | 2021-04-01 → 2022-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.5bn | 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 | ¥1.2bn | 2023-04-01 → 2024-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥1.0bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥975m | 2023-04-01 → 2024-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥1.1bn | 2022-04-01 → 2023-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥1.2bn | 2021-04-01 → 2022-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥427m | 2020-04-01 → 2021-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥1.0bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Net income | ¥975m | 2023-04-01 → 2024-03-31 | Cons. | Profit loss |
| Total assets | ¥34.0bn | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥34.8bn | at 2024-03-31 | Cons. | Assets |
| Total assets | ¥32.7bn | at 2023-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥31.2bn | at 2022-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥29.8bn | at 2021-03-31d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥6.1bn | at 2025-03-31 | Cons. | Liabilities |
| Total liabilities | ¥7.2bn | at 2024-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥27.9bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥27.6bn | at 2024-03-31 | Cons. | Net assets |
| Net assets / equity | ¥26.3bn | at 2023-03-31d | Cons. | Net assets |
| Net assets / equity | ¥25.3bn | at 2022-03-31d | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥24.2bn | at 2021-03-31d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥8.1bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥7.0bn | at 2024-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥8.4bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥7.3bn | at 2024-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥5.1bn | at 2023-03-31d | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥5.8bn | at 2022-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥5.4bn | at 2021-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥2.1bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥2.8bn | 2023-04-01 → 2024-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥666m | 2022-04-01 → 2023-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥1.3bn | 2021-04-01 → 2022-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥1.6bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥589m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥477m | 2023-04-01 → 2024-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥1.1bn | 2022-04-01 → 2023-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥782m | 2021-04-01 → 2022-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥1.7bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥486m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥212m | 2023-04-01 → 2024-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥212m | 2022-04-01 → 2023-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥167m | 2021-04-01 → 2022-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥153m | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥134.2 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥129.44 | 2023-04-01 → 2024-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥148.53 | 2022-04-01 → 2023-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥153.28 | 2021-04-01 → 2022-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥56.73 | 2020-04-01 → 2021-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥3,758.95 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,661.84 | at 2024-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,489.39 | at 2023-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,362.32 | at 2022-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,209.66 | at 2021-03-31d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 82.0% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 79.2% | at 2024-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 80.3% | at 2023-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 81.1% | at 2022-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 81.1% | at 2021-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 3.6% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 3.6% | 2023-04-01 → 2024-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 4.3% | 2022-04-01 → 2023-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 4.7% | 2021-04-01 → 2022-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 1.8% | 2020-04-01 → 2021-03-31d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 589 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 595 | at 2024-03-31 | Cons. | Number of employees |
| Employees | 570 | at 2023-03-31d | Cons. | Number of employees |
| Employees | 513 | at 2022-03-31d | Cons. | Number of employees |
| Employees | 488 | at 2021-03-31d | Cons. | Number of employees |
| Revenue | ¥17.1bn | 2024-04-01 → 2025-03-31 | Standalone | Net sales |
| Revenue | ¥17.3bn | 2023-04-01 → 2024-03-31 | Standalone | Net sales |
| Revenue | ¥17.5bn | 2022-04-01 → 2023-03-31d | Standalone | Net sales (5-year summary) |
| Revenue | ¥16.1bn | 2021-04-01 → 2022-03-31d | Standalone | Net sales (5-year summary) |
| Revenue | ¥13.2bn | 2020-04-01 → 2021-03-31d | Standalone | Net sales (5-year summary) |
| Operating income | ¥614m | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Operating income | ¥567m | 2023-04-01 → 2024-03-31 | Standalone | Operating income |
| Ordinary income | ¥805m | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥753m | 2023-04-01 → 2024-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥737m | 2022-04-01 → 2023-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.3bn | 2021-04-01 → 2022-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.1bn | 2020-04-01 → 2021-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥805m | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥530m | 2023-04-01 → 2024-03-31 | Standalone | Income before income taxes |
| Net income | ¥621m | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥473m | 2023-04-01 → 2024-03-31 | Standalone | Profit loss |
| Net income | ¥652m | 2022-04-01 → 2023-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | ¥709m | 2021-04-01 → 2022-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | −¥468m | 2020-04-01 → 2021-03-31d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥20.6bn | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥21.5bn | at 2024-03-31 | Standalone | Assets |
| Total assets | ¥20.6bn | at 2023-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥19.4bn | at 2022-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥18.6bn | at 2021-03-31d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥2.9bn | at 2025-03-31 | Standalone | Liabilities |
| Total liabilities | ¥3.8bn | at 2024-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥17.6bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥17.7bn | at 2024-03-31 | Standalone | Net assets |
| Net assets / equity | ¥17.1bn | at 2023-03-31d | Standalone | Net assets |
| Net assets / equity | ¥16.7bn | at 2022-03-31d | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥16.0bn | at 2021-03-31d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥3.6bn | at 2025-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥3.2bn | at 2024-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥82.69 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥62.88 | 2023-04-01 → 2024-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥86.64 | 2022-04-01 → 2023-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥94.18 | 2021-04-01 → 2022-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-62.14 | 2020-04-01 → 2021-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥40 | 2024-04-01 → 2025-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥26 | 2023-04-01 → 2024-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥33 | 2022-04-01 → 2023-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥26 | 2021-04-01 → 2022-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥16 | 2020-04-01 → 2021-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥2,375.68 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,350.2 | at 2024-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,271.72 | at 2023-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,214.53 | at 2022-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,128.22 | at 2021-03-31d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 85.7% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 82.2% | at 2024-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 83.2% | at 2023-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 86.1% | at 2022-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 86.3% | at 2021-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 3.5% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 2.7% | 2023-04-01 → 2024-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 3.9% | 2022-04-01 → 2023-03-31d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 4.3% | 2021-04-01 → 2022-03-31d | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 7,550,000 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 7,550,000 | at 2024-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 7,550,000 | at 2023-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 7,550,000 | at 2022-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 7,550,000 | at 2021-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 378 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 378 | at 2024-03-31 | Standalone | Number of employees |
| Employees | 371 | at 2023-03-31d | Standalone | Number of employees |
| Employees | 327 | at 2022-03-31d | Standalone | Number of employees |
| Employees | 317 | 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 · 41
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | segment assets | at 2025-03-31 | ¥6.3bn |
| Real Estate Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥73m |
| Real Estate Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥246m |
| Real Estate Businessreportable segment | employees | at 2025-03-31 | 58 pure |
| Real Estate Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥2.4bn |
| Real Estate Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥2.4bn |
| Real Estate Businessreportable segment | segment assets | at 2025-03-31 | ¥12.0bn |
| Real Estate Businessreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥1.1bn |
| Special Steel Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥476m |
| Special Steel Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥618m |
| Special Steel Businessreportable segment | employees | at 2025-03-31 | 531 pure |
| Special Steel Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥18.8bn |
| Special Steel Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥18.8bn |
| Special Steel Businessreportable segment | segment assets | at 2025-03-31 | ¥15.7bn |
| Special Steel Businessreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥187m |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-04-01 → 2025-03-31 | ¥550m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-04-01 → 2025-03-31 | ¥864m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2025-03-31 | ¥21.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2025-03-31 | ¥21.2bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-03-31 | ¥27.7bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-04-01 → 2025-03-31 | ¥1.2bn |
| Reconciling Itemsreconciling | segment assets | at 2024-03-31 | ¥6.0bn |
| Real Estate Businessreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥82m |
| Real Estate Businessreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥256m |
| Real Estate Businessreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥2.4bn |
| Real Estate Businessreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥2.4bn |
| Real Estate Businessreportable segment | segment assets | at 2024-03-31 | ¥11.8bn |
| Real Estate Businessreportable segment | segment profit | 2023-04-01 → 2024-03-31 | ¥1.1bn |
| Special Steel Businessreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥1.1bn |
| Special Steel Businessreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥600m |
| Special Steel Businessreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥19.0bn |
| Special Steel Businessreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥19.0bn |
| Special Steel Businessreportable segment | segment assets | at 2024-03-31 | ¥17.0bn |
| Special Steel Businessreportable segment | segment profit | 2023-04-01 → 2024-03-31 | ¥170m |
| 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 | ¥856m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2023-04-01 → 2024-03-31 | ¥21.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2023-04-01 → 2024-03-31 | ¥21.3bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2024-03-31 | ¥28.8bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2023-04-01 → 2024-03-31 | ¥1.3bn |
| Special Steel Businessreportable segment | employees | at 2025-03-31 | 378 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,434
| Item | Context | Value | Unit |
|---|---|---|---|
| Business risks (text) | FilingDateInstant | Text · Plus | |
| Management analysis of financial position operating results and cash flows (text) | FilingDateInstant | Text · Plus | |
| Critical contracts (text) | FilingDateInstant | Text · Plus | |
| Research and development activities (text) | FilingDateInstant | Text · Plus | |
| Overview of capital expenditures etc (text) | FilingDateInstant | Text · Plus | |
| Major facilities (text) | FilingDateInstant | Text · Plus | |
| Planned additions retirements etc of facilities (text) | FilingDateInstant | Text · Plus | |
| Total number of shares (text) | FilingDateInstant | Text · Plus | |
| Issued shares total number of shares etc (text) | FilingDateInstant | Text · Plus | |
| Class issued shares total number of shares etc | FilingDateInstant_OrdinaryShareMember | Original text (Japanese)普通株式 | |
| Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registered | FilingDateInstant_OrdinaryShareMember | Original text (Japanese)東京証券取引所スタンダード市場 | |
| Description issued shares total number of shares etc | FilingDateInstant_OrdinaryShareMember | Original text (Japanese)単元株式数は100株であります。 | |
| Details of employee share option program (text) | FilingDateInstant | Text · Plus | |
| Description of rights plan (text) | FilingDateInstant | Text · Plus | |
| Other information on share acquisition rights (text) | FilingDateInstant | Text · Plus | |
| Exercises etc of moving strike convertible bonds etc (text) | FilingDateInstant | Text · Plus | |
| Changes in number of issued shares stated capital etc (text) | FilingDateInstant | Text · Plus | |
| Shareholding by shareholder category (text) | FilingDateInstant | Text · Plus | |
| Major shareholders (text) | FilingDateInstant | Text · Plus | |
| Name major shareholders | CurrentYearInstant_No1MajorShareholdersMember | Original text (Japanese)大同特殊鋼株式会社 | |
| Address major shareholders | CurrentYearInstant_No1MajorShareholdersMember | Original text (Japanese)名古屋市東区東桜一丁目１番10号 | |
| Name major shareholders | CurrentYearInstant_No2MajorShareholdersMember | Original text (Japanese)岡谷鋼機株式会社 | |
| Address major shareholders | CurrentYearInstant_No2MajorShareholdersMember | Original text (Japanese)名古屋市中区栄二丁目４番18号 | |
| Name major shareholders | CurrentYearInstant_No3MajorShareholdersMember | Original text (Japanese)東京窯業株式会社 | |
| Address major shareholders | CurrentYearInstant_No3MajorShareholdersMember | Original text (Japanese)東京都港区港南二丁目11番１号 | |
| Name major shareholders | CurrentYearInstant_No4MajorShareholdersMember | Original text (Japanese)光通信株式会社 | |
| Address major shareholders | CurrentYearInstant_No4MajorShareholdersMember | Original text (Japanese)東京都豊島区西池袋一丁目４番10号 | |
| Name major shareholders | CurrentYearInstant_No5MajorShareholdersMember | Original text (Japanese)株式会社UH Partners ２ | |
| Address major shareholders | CurrentYearInstant_No5MajorShareholdersMember | Original text (Japanese)東京都豊島区南池袋二丁目９番９号 | |
| Name major shareholders | CurrentYearInstant_No6MajorShareholdersMember | Original text (Japanese)株式会社UH Partners ３ | |
| Address major shareholders | CurrentYearInstant_No6MajorShareholdersMember | Original text (Japanese)東京都豊島区南池袋二丁目９番９号 | |
| Name major shareholders | CurrentYearInstant_No7MajorShareholdersMember | Original text (Japanese)株式会社七十七銀行（常任代理人 株式会社日本カストディ銀行） | |
| Address major shareholders | CurrentYearInstant_No7MajorShareholdersMember | Original text (Japanese)仙台市青葉区中央三丁目３番20号（東京都中央区晴海一丁目８番12号） | |
| Name major shareholders | CurrentYearInstant_No8MajorShareholdersMember | Original text (Japanese)三井住友信託銀行株式会社（常任代理人 株式会社日本カストディ銀行） | |
| Address major shareholders | CurrentYearInstant_No8MajorShareholdersMember | Original text (Japanese)東京都千代田区丸の内一丁目４番１号（東京都中央区晴海一丁目８番12号） | |
| Name major shareholders | CurrentYearInstant_No9MajorShareholdersMember | Original text (Japanese)芝本産業株式会社 | |
| Address major shareholders | CurrentYearInstant_No9MajorShareholdersMember | Original text (Japanese)東京都中央区湊一丁目１番12号 | |
| Name major shareholders | CurrentYearInstant_No10MajorShareholdersMember | Original text (Japanese)株式会社エスアイエル | |
| Address major shareholders | CurrentYearInstant_No10MajorShareholdersMember | Original text (Japanese)東京都豊島区南池袋二丁目９番９号 | |
| Issued shares voting rights (text) | FilingDateInstant | Text · Plus | |
| Description issued shares voting rights | CurrentYearInstant_SharesWithNoVotingRightsMember | － | |
| Description issued shares voting rights | CurrentYearInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember | － | |
| Description issued shares voting rights | CurrentYearInstant_SharesWithRestrictedVotingRightsOtherMember | － | |
| Description issued shares voting rights | CurrentYearInstant_SharesWithFullVotingRightsTreasurySharesEtcMember | － | |
| Description issued shares voting rights | CurrentYearInstant_SharesWithFullVotingRightsOtherMember | － | |
| Description issued shares voting rights | CurrentYearInstant_SharesLessThanOneUnitMember | － | |
| Treasury shares etc (text) | FilingDateInstant | Text · Plus | |
| Name of shareholder treasury shares etc | CurrentYearInstant_Row1Member | Original text (Japanese)東北特殊鋼株式会社 | |
| Address of shareholder treasury shares etc | CurrentYearInstant_Row1Member | Original text (Japanese)仙台市太白区長町七丁目20番１号 | |
| Classes of shares etc (text) | FilingDateInstant | Text · Plus |
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 |
| 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 |