Annual report
6834.TEDINET S100YB9C
Period2025-04-01 → 2026-03-31
Filed2026-06-18
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 150
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥30.1bn | 2025-04-01 → 2026-03-31 | Cons. | Net sales |
| Revenue | ¥20.0bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales |
| Revenue | ¥15.8bn | 2023-04-01 → 2024-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥16.3bn | 2022-04-01 → 2023-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥16.2bn | 2021-04-01 → 2022-03-31v | Cons. | Net sales (5-year summary) |
| Operating income | ¥7.7bn | 2025-04-01 → 2026-03-31 | Cons. | Operating income |
| Operating income | ¥2.8bn | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Ordinary income | ¥8.1bn | 2025-04-01 → 2026-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥3.0bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.3bn | 2023-04-01 → 2024-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.6bn | 2022-04-01 → 2023-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.6bn | 2021-04-01 → 2022-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥8.2bn | 2025-04-01 → 2026-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥3.0bn | 2024-04-01 → 2025-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥6.2bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥2.2bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥761m | 2023-04-01 → 2024-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥1.1bn | 2022-04-01 → 2023-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥1.2bn | 2021-04-01 → 2022-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥6.3bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss |
| Net income | ¥2.2bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Total assets | ¥41.7bn | at 2026-03-31 | Cons. | Assets |
| Total assets | ¥34.4bn | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥32.2bn | at 2024-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥31.3bn | at 2023-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥30.3bn | at 2022-03-31v | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥7.7bn | at 2026-03-31 | Cons. | Liabilities |
| Total liabilities | ¥6.2bn | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥34.0bn | at 2026-03-31 | Cons. | Net assets |
| Net assets / equity | ¥28.1bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥27.2bn | at 2024-03-31v | Cons. | Net assets |
| Net assets / equity | ¥26.5bn | at 2023-03-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥25.5bn | at 2022-03-31v | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥18.0bn | at 2026-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥14.1bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥11.3bn | at 2026-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥7.3bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥5.1bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥5.2bn | at 2023-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥4.2bn | at 2022-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥5.5bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥3.1bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥1.8bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥2.3bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥1.9bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥879m | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | ¥1.0bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥1.5bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥950m | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥2.3bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥712m | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥2.0bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥508m | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥513m | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥429m | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥695.65 | 2025-04-01 → 2026-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥245.34 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥83.42 | 2023-04-01 → 2024-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥118.64 | 2022-04-01 → 2023-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥126.05 | 2021-04-01 → 2022-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥126.04 | 2021-04-01 → 2022-03-31v | Cons. | Diluted earnings per share (5-year summary) |
| Net assets per share | ¥3,785.69 | at 2026-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,142.58 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,976.87 | at 2024-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,898.91 | at 2023-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,785.76 | at 2022-03-31v | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 81.2% | at 2026-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 81.4% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 84.3% | at 2024-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 84.4% | at 2023-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 83.8% | at 2022-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 20.1% | 2025-04-01 → 2026-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 8.1% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 2.8% | 2023-04-01 → 2024-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 4.2% | 2022-04-01 → 2023-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 4.6% | 2021-04-01 → 2022-03-31v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 1,231 | at 2026-03-31 | Cons. | Number of employees |
| Employees | 936 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 752 | at 2024-03-31v | Cons. | Number of employees |
| Employees | 914 | at 2023-03-31v | Cons. | Number of employees |
| Employees | 941 | at 2022-03-31v | Cons. | Number of employees |
| Revenue | ¥11.1bn | 2025-04-01 → 2026-03-31 | Standalone | Net sales |
| Revenue | ¥6.5bn | 2024-04-01 → 2025-03-31 | Standalone | Net sales |
| Revenue | ¥4.2bn | 2023-04-01 → 2024-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥4.6bn | 2022-04-01 → 2023-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥4.8bn | 2021-04-01 → 2022-03-31v | Standalone | Net sales (5-year summary) |
| Operating income | ¥3.2bn | 2025-04-01 → 2026-03-31 | Standalone | Operating income |
| Operating income | ¥1.2bn | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Ordinary income | ¥5.7bn | 2025-04-01 → 2026-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥2.4bn | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥1.3bn | 2023-04-01 → 2024-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.4bn | 2022-04-01 → 2023-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.4bn | 2021-04-01 → 2022-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥5.8bn | 2025-04-01 → 2026-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥2.4bn | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Net income | ¥4.7bn | 2025-04-01 → 2026-03-31 | Standalone | Profit loss |
| Net income | ¥2.0bn | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥1.1bn | 2023-04-01 → 2024-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥1.3bn | 2022-04-01 → 2023-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥1.2bn | 2021-04-01 → 2022-03-31v | Standalone | Net income loss (5-year summary) |
| Total assets | ¥32.4bn | at 2026-03-31 | Standalone | Assets |
| Total assets | ¥26.8bn | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥26.3bn | at 2024-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥25.5bn | at 2023-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥24.7bn | at 2022-03-31v | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥3.8bn | at 2026-03-31 | Standalone | Liabilities |
| Total liabilities | ¥2.4bn | at 2025-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥28.6bn | at 2026-03-31 | Standalone | Net assets |
| Net assets / equity | ¥24.5bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥24.5bn | at 2024-03-31v | Standalone | Net assets |
| Net assets / equity | ¥23.8bn | at 2023-03-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥23.0bn | at 2022-03-31v | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥12.6bn | at 2026-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥9.4bn | at 2025-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥524.95 | 2025-04-01 → 2026-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥221.28 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥122.25 | 2023-04-01 → 2024-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥144.44 | 2022-04-01 → 2023-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥136.13 | 2021-04-01 → 2022-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥136.12 | 2021-04-01 → 2022-03-31v | Standalone | Diluted earnings per share (5-year summary) |
| Dividend per share | ¥100 | 2025-04-01 → 2026-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥65 | 2024-04-01 → 2025-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥55 | 2023-04-01 → 2024-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥50 | 2022-04-01 → 2023-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥50 | 2021-04-01 → 2022-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥3,199.27 | at 2026-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,744.97 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,683.7 | at 2024-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,610.95 | at 2023-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,516.73 | at 2022-03-31v | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 88.2% | at 2026-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 91.2% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 93.0% | at 2024-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 93.3% | at 2023-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 92.8% | at 2022-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 17.7% | 2025-04-01 → 2026-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 8.2% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 4.6% | 2023-04-01 → 2024-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 5.6% | 2022-04-01 → 2023-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 5.5% | 2021-04-01 → 2022-03-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 9,333,654 | at 2026-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,333,654 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,333,654 | at 2024-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,333,654 | at 2023-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,333,654 | at 2022-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Employees | 164 | at 2026-03-31 | Standalone | Number of employees |
| Employees | 167 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 173 | at 2024-03-31v | Standalone | Number of employees |
| Employees | 177 | at 2023-03-31v | Standalone | Number of employees |
| Employees | 177 | at 2022-03-31v | 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 · 37
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | capex | 2025-04-01 → 2026-03-31 | ¥90m |
| Reconciling Itemsreconciling | revenue | 2025-04-01 → 2026-03-31 | −¥74m |
| Reconciling Itemsreconciling | revenue intersegment | 2025-04-01 → 2026-03-31 | −¥74m |
| Reconciling Itemsreconciling | segment assets | at 2026-03-31 | ¥15.8bn |
| Optical Related Productsreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥597m |
| Optical Related Productsreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥421m |
| Optical Related Productsreportable segment | employees | at 2026-03-31 | 807 pure |
| Optical Related Productsreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥20.1bn |
| Optical Related Productsreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥20.1bn |
| Optical Related Productsreportable segment | segment assets | at 2026-03-31 | ¥15.5bn |
| Optical Related Productsreportable segment | segment profit | 2025-04-01 → 2026-03-31 | ¥6.7bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2025-04-01 → 2026-03-31 | ¥984m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2025-04-01 → 2026-03-31 | ¥879m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2026-03-31 | ¥30.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2026-03-31 | ¥30.1bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥74m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2026-03-31 | ¥25.9bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-04-01 → 2026-03-31 | ¥7.7bn |
| Reconciling Itemsreconciling | capex | 2024-04-01 → 2025-03-31 | ¥60m |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2025-03-31 | −¥30m |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2025-03-31 | −¥30m |
| Reconciling Itemsreconciling | segment assets | at 2025-03-31 | ¥12.3bn |
| Optical Related Productsreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥275m |
| Optical Related Productsreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥355m |
| Optical Related Productsreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥10.8bn |
| Optical Related Productsreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥10.8bn |
| Optical Related Productsreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥207,000 |
| Optical Related Productsreportable segment | segment assets | at 2025-03-31 | ¥12.1bn |
| Optical Related Productsreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥2.2bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-04-01 → 2025-03-31 | ¥538m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-04-01 → 2025-03-31 | ¥853m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2025-03-31 | ¥20.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2025-03-31 | ¥20.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥30m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-03-31 | ¥22.1bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-04-01 → 2025-03-31 | ¥2.8bn |
| Optical Related Productsreportable segment | employees | at 2026-03-31 | 78 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,542
| Item | Context | Value | Unit |
|---|---|---|---|
| Transactions with other segments | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 207000 | JPY |
| Transactions with other segments | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 29576000 | JPY |
| Transactions with other segments | Prior1YearDuration_ReconcilingItemsMember | -29576000 | JPY |
| Transactions with other segments | Prior1YearDuration | － | JPY |
| Net sales | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 9229851000 | JPY |
| Net sales | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 10782533000 | JPY |
| Net sales | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 20012385000 | JPY |
| Net sales | Prior1YearDuration_ReconcilingItemsMember | -29576000 | JPY |
| Net sales | Prior1YearDuration | 19982809000 | JPY |
| Operating income | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 588240000 | JPY |
| Operating income | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 2229012000 | JPY |
| Operating income | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 2817252000 | JPY |
| Operating income | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Operating income | Prior1YearDuration | 2817252000 | JPY |
| Assets | Prior1YearInstant_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 10021626000 | JPY |
| Assets | Prior1YearInstant_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 12085298000 | JPY |
| Assets | Prior1YearInstant_TotalOfReportableSegmentsAndOthersMember | 22106924000 | JPY |
| Assets | Prior1YearInstant_ReconcilingItemsMember | 12276244000 | JPY |
| Assets | Prior1YearInstant | 34383169000 | JPY |
| Depreciation segment information | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 497683000 | JPY |
| Depreciation segment information | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 354864000 | JPY |
| Depreciation segment information | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 852548000 | JPY |
| Depreciation segment information | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Depreciation segment information | Prior1YearDuration | 852548000 | JPY |
| Amortization of goodwill sga | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 12426000 | JPY |
| Amortization of goodwill sga | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 70773000 | JPY |
| Amortization of goodwill sga | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 83199000 | JPY |
| Amortization of goodwill sga | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Amortization of goodwill sga | Prior1YearDuration | 83199000 | JPY |
| Investments in entities accounted for using equity method | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | － | JPY |
| Investments in entities accounted for using equity method | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 131668000 | JPY |
| Investments in entities accounted for using equity method | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 131668000 | JPY |
| Investments in entities accounted for using equity method | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Investments in entities accounted for using equity method | Prior1YearDuration | 131668000 | JPY |
| Increase in property plant and equipment and intangible assets | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 263463000 | JPY |
| Increase in property plant and equipment and intangible assets | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 274733000 | JPY |
| Increase in property plant and equipment and intangible assets | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 538197000 | JPY |
| Increase in property plant and equipment and intangible assets | Prior1YearDuration_ReconcilingItemsMember | 59807000 | JPY |
| Increase in property plant and equipment and intangible assets | Prior1YearDuration | 598004000 | JPY |
| Revenues from external customers | CurrentYearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 9963178000 | JPY |
| Revenues from external customers | CurrentYearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 20124703000 | JPY |
| Revenues from external customers | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 30087881000 | JPY |
| Revenues from external customers | CurrentYearDuration_ReconcilingItemsMember | － | JPY |
| Revenues from external customers | CurrentYearDuration | 30087881000 | JPY |
| Transactions with other segments | CurrentYearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 74304000 | JPY |
| Transactions with other segments | CurrentYearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | － | JPY |
| Transactions with other segments | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 74304000 | JPY |
| Transactions with other segments | CurrentYearDuration_ReconcilingItemsMember | -74304000 | JPY |
| Transactions with other segments | CurrentYearDuration | － | JPY |
| Net sales | CurrentYearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 10037482000 | 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 rounding |
| balance sheet identity | pass rounding |
| balance sheet identity | pass |
| balance sheet identity | pass |
| 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 |