Annual report
6834.TEDINET S100QYNX
Period2022-04-01 → 2023-03-31
Filed2023-06-21
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Amended by S100S1TW (2023-10-20).
Key figures · 154
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥16.3bn | 2022-04-01 → 2023-03-31 | Cons. | Net sales |
| Revenue | ¥16.2bn | 2021-04-01 → 2022-03-31 | Cons. | Net sales |
| Revenue | ¥14.8bn | 2020-04-01 → 2021-03-31d | Cons. | Net sales (5-year summary) |
| Revenue | ¥15.7bn | 2019-04-01 → 2020-03-31d | Cons. | Net sales (5-year summary) |
| Revenue | ¥15.5bn | 2018-04-01 → 2019-03-31d | Cons. | Net sales (5-year summary) |
| Operating income | ¥1.4bn | 2022-04-01 → 2023-03-31 | Cons. | Operating income |
| Operating income | ¥1.5bn | 2021-04-01 → 2022-03-31 | Cons. | Operating income |
| Ordinary income | ¥1.6bn | 2022-04-01 → 2023-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.6bn | 2021-04-01 → 2022-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.4bn | 2020-04-01 → 2021-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.7bn | 2019-04-01 → 2020-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.8bn | 2018-04-01 → 2019-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.5bn | 2022-04-01 → 2023-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥1.6bn | 2021-04-01 → 2022-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥1.1bn | 2022-04-01 → 2023-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥1.2bn | 2021-04-01 → 2022-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥984m | 2020-04-01 → 2021-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥1.2bn | 2019-04-01 → 2020-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥1.2bn | 2018-04-01 → 2019-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥1.1bn | 2022-04-01 → 2023-03-31 | Cons. | Profit loss |
| Net income | ¥1.2bn | 2021-04-01 → 2022-03-31 | Cons. | Profit loss |
| Total assets | ¥31.3bn | at 2023-03-31 | Cons. | Assets |
| Total assets | ¥30.3bn | at 2022-03-31 | Cons. | Assets |
| Total assets | ¥29.0bn | at 2021-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥27.7bn | at 2020-03-31d | Cons. | Total assets (5-year summary) |
| Total assets | ¥27.7bn | at 2019-03-31d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥4.9bn | at 2023-03-31 | Cons. | Liabilities |
| Total liabilities | ¥4.8bn | at 2022-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥26.5bn | at 2023-03-31 | Cons. | Net assets |
| Net assets / equity | ¥25.5bn | at 2022-03-31 | Cons. | Net assets |
| Net assets / equity | ¥24.2bn | at 2021-03-31d | Cons. | Net assets |
| Net assets / equity | ¥23.5bn | at 2020-03-31d | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥23.2bn | at 2019-03-31d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥13.4bn | at 2023-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥12.4bn | at 2022-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥5.2bn | at 2023-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥4.2bn | at 2022-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥4.9bn | at 2021-03-31d | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥3.6bn | at 2020-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥3.8bn | at 2019-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥2.3bn | 2022-04-01 → 2023-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥1.9bn | 2021-04-01 → 2022-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥2.4bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥2.2bn | 2019-04-01 → 2020-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥2.4bn | 2018-04-01 → 2019-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥950m | 2022-04-01 → 2023-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥2.3bn | 2021-04-01 → 2022-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥626m | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥1.8bn | 2019-04-01 → 2020-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥1.5bn | 2018-04-01 → 2019-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥513m | 2022-04-01 → 2023-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥429m | 2021-04-01 → 2022-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥411m | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥686m | 2019-04-01 → 2020-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥254m | 2018-04-01 → 2019-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥118.64 | 2022-04-01 → 2023-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥126.05 | 2021-04-01 → 2022-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥107.88 | 2020-04-01 → 2021-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥125.78 | 2019-04-01 → 2020-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥133.34 | 2018-04-01 → 2019-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥126.04 | 2021-04-01 → 2022-03-31 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥107.67 | 2020-04-01 → 2021-03-31d | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥125.17 | 2019-04-01 → 2020-03-31d | Cons. | Diluted earnings per share (5-year summary) |
| Net assets per share | ¥2,898.91 | at 2023-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,785.76 | at 2022-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,645.78 | at 2021-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,571.49 | at 2020-03-31d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,502.04 | at 2019-03-31d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 84.4% | at 2023-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 83.8% | at 2022-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 83.3% | at 2021-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 84.5% | at 2020-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 83.5% | at 2019-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 4.2% | 2022-04-01 → 2023-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 4.6% | 2021-04-01 → 2022-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 4.1% | 2020-04-01 → 2021-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 5.0% | 2019-04-01 → 2020-03-31d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 5.4% | 2018-04-01 → 2019-03-31d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 914 | at 2023-03-31 | Cons. | Number of employees |
| Employees | 941 | at 2022-03-31 | Cons. | Number of employees |
| Employees | 870 | at 2021-03-31d | Cons. | Number of employees |
| Employees | 978 | at 2020-03-31d | Cons. | Number of employees |
| Employees | 898 | at 2019-03-31d | Cons. | Number of employees |
| Revenue | ¥4.6bn | 2022-04-01 → 2023-03-31 | Standalone | Net sales |
| Revenue | ¥4.8bn | 2021-04-01 → 2022-03-31 | Standalone | Net sales |
| Revenue | ¥4.0bn | 2020-04-01 → 2021-03-31d | Standalone | Net sales (5-year summary) |
| Revenue | ¥4.5bn | 2019-04-01 → 2020-03-31d | Standalone | Net sales (5-year summary) |
| Revenue | ¥4.2bn | 2018-04-01 → 2019-03-31d | Standalone | Net sales (5-year summary) |
| Operating income | ¥268m | 2022-04-01 → 2023-03-31 | Standalone | Operating income |
| Operating income | ¥218m | 2021-04-01 → 2022-03-31 | Standalone | Operating income |
| Ordinary income | ¥1.4bn | 2022-04-01 → 2023-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥1.4bn | 2021-04-01 → 2022-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥1.0bn | 2020-04-01 → 2021-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.1bn | 2019-04-01 → 2020-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥791m | 2018-04-01 → 2019-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.4bn | 2022-04-01 → 2023-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥1.4bn | 2021-04-01 → 2022-03-31 | Standalone | Income before income taxes |
| Net income | ¥1.3bn | 2022-04-01 → 2023-03-31 | Standalone | Profit loss |
| Net income | ¥1.2bn | 2021-04-01 → 2022-03-31 | Standalone | Profit loss |
| Net income | ¥1.0bn | 2020-04-01 → 2021-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | ¥1.1bn | 2019-04-01 → 2020-03-31d | Standalone | Net income loss (5-year summary) |
| Net income | ¥756m | 2018-04-01 → 2019-03-31d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥25.5bn | at 2023-03-31 | Standalone | Assets |
| Total assets | ¥24.7bn | at 2022-03-31 | Standalone | Assets |
| Total assets | ¥23.7bn | at 2021-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥23.0bn | at 2020-03-31d | Standalone | Total assets (5-year summary) |
| Total assets | ¥22.6bn | at 2019-03-31d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥1.7bn | at 2023-03-31 | Standalone | Liabilities |
| Total liabilities | ¥1.7bn | at 2022-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥23.8bn | at 2023-03-31 | Standalone | Net assets |
| Net assets / equity | ¥23.0bn | at 2022-03-31 | Standalone | Net assets |
| Net assets / equity | ¥22.1bn | at 2021-03-31d | Standalone | Net assets |
| Net assets / equity | ¥21.5bn | at 2020-03-31d | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥21.1bn | at 2019-03-31d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥10.8bn | at 2023-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥10.1bn | at 2022-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥144.44 | 2022-04-01 → 2023-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥136.13 | 2021-04-01 → 2022-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥110 | 2020-04-01 → 2021-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥116.25 | 2019-04-01 → 2020-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥81.8 | 2018-04-01 → 2019-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥136.12 | 2021-04-01 → 2022-03-31 | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥109.78 | 2020-04-01 → 2021-03-31d | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥115.69 | 2019-04-01 → 2020-03-31d | Standalone | Diluted earnings per share (5-year summary) |
| Dividend per share | ¥50 | 2022-04-01 → 2023-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥50 | 2021-04-01 → 2022-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥40 | 2020-04-01 → 2021-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥40 | 2019-04-01 → 2020-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥30 | 2018-04-01 → 2019-03-31d | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥2,610.95 | at 2023-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,516.73 | at 2022-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,421.05 | at 2021-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,350.75 | at 2020-03-31d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,271.52 | at 2019-03-31d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 93.3% | at 2023-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 92.8% | at 2022-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 93.1% | at 2021-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 93.3% | at 2020-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 92.8% | at 2019-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 5.6% | 2022-04-01 → 2023-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 5.5% | 2021-04-01 → 2022-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 4.6% | 2020-04-01 → 2021-03-31d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 5.0% | 2019-04-01 → 2020-03-31d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 3.6% | 2018-04-01 → 2019-03-31d | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 9,333,654 | at 2023-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,333,654 | at 2022-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,333,654 | at 2021-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,333,654 | at 2020-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,333,654 | at 2019-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 177 | at 2023-03-31 | Standalone | Number of employees |
| Employees | 177 | at 2022-03-31 | Standalone | Number of employees |
| Employees | 174 | at 2021-03-31d | Standalone | Number of employees |
| Employees | 170 | at 2020-03-31d | Standalone | Number of employees |
| Employees | 168 | at 2019-03-31d | 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 · 38
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | capex | 2022-04-01 → 2023-03-31 | ¥30m |
| Reconciling Itemsreconciling | revenue | 2022-04-01 → 2023-03-31 | −¥53m |
| Reconciling Itemsreconciling | revenue intersegment | 2022-04-01 → 2023-03-31 | −¥53m |
| Reconciling Itemsreconciling | segment assets | at 2023-03-31 | ¥13.7bn |
| Optical Related Productsreportable segment | capex | 2022-04-01 → 2023-03-31 | ¥165m |
| Optical Related Productsreportable segment | depreciation | 2022-04-01 → 2023-03-31 | ¥333m |
| Optical Related Productsreportable segment | employees | at 2023-03-31 | 592 pure |
| Optical Related Productsreportable segment | revenue | 2022-04-01 → 2023-03-31 | ¥8.0bn |
| Optical Related Productsreportable segment | revenue external | 2022-04-01 → 2023-03-31 | ¥8.0bn |
| Optical Related Productsreportable segment | revenue intersegment | 2022-04-01 → 2023-03-31 | ¥1m |
| Optical Related Productsreportable segment | segment assets | at 2023-03-31 | ¥8.7bn |
| Optical Related Productsreportable segment | segment profit | 2022-04-01 → 2023-03-31 | ¥998m |
| Total Of Reportable Segments And Otherssegment total | capex | 2022-04-01 → 2023-03-31 | ¥946m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2022-04-01 → 2023-03-31 | ¥913m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2022-04-01 → 2023-03-31 | ¥16.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2022-04-01 → 2023-03-31 | ¥16.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2022-04-01 → 2023-03-31 | ¥53m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2023-03-31 | ¥17.7bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2022-04-01 → 2023-03-31 | ¥1.4bn |
| Reconciling Itemsreconciling | capex | 2021-04-01 → 2022-03-31 | ¥33m |
| Reconciling Itemsreconciling | revenue | 2021-04-01 → 2022-03-31 | −¥69m |
| Reconciling Itemsreconciling | revenue intersegment | 2021-04-01 → 2022-03-31 | −¥69m |
| Reconciling Itemsreconciling | segment assets | at 2022-03-31 | ¥13.1bn |
| Optical Related Productsreportable segment | capex | 2021-04-01 → 2022-03-31 | ¥915m |
| Optical Related Productsreportable segment | depreciation | 2021-04-01 → 2022-03-31 | ¥336m |
| Optical Related Productsreportable segment | revenue | 2021-04-01 → 2022-03-31 | ¥7.7bn |
| Optical Related Productsreportable segment | revenue external | 2021-04-01 → 2022-03-31 | ¥7.7bn |
| Optical Related Productsreportable segment | revenue intersegment | 2021-04-01 → 2022-03-31 | ¥1m |
| Optical Related Productsreportable segment | segment assets | at 2022-03-31 | ¥8.5bn |
| Optical Related Productsreportable segment | segment profit | 2021-04-01 → 2022-03-31 | ¥1.1bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2021-04-01 → 2022-03-31 | ¥1.4bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2021-04-01 → 2022-03-31 | ¥947m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2021-04-01 → 2022-03-31 | ¥16.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2021-04-01 → 2022-03-31 | ¥16.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2021-04-01 → 2022-03-31 | ¥69m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2022-03-31 | ¥17.3bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2021-04-01 → 2022-03-31 | ¥1.5bn |
| Optical Related Productsreportable segment | employees | at 2023-03-31 | 80 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,552
| Item | Context | Value | Unit |
|---|---|---|---|
| Write downs of inventories | CurrentYearDuration | 22584000 | JPY |
| Revenues from external customers | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 8478455000 | JPY |
| Revenues from external customers | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 7710341000 | JPY |
| Revenues from external customers | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 16188796000 | JPY |
| Revenues from external customers | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Revenues from external customers | Prior1YearDuration | 16188796000 | JPY |
| Transactions with other segments | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 67336000 | JPY |
| Transactions with other segments | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 1250000 | JPY |
| Transactions with other segments | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 68586000 | JPY |
| Transactions with other segments | Prior1YearDuration_ReconcilingItemsMember | -68586000 | JPY |
| Transactions with other segments | Prior1YearDuration | － | JPY |
| Net sales | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 8545792000 | JPY |
| Net sales | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 7711591000 | JPY |
| Net sales | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 16257383000 | JPY |
| Net sales | Prior1YearDuration_ReconcilingItemsMember | -68586000 | JPY |
| Net sales | Prior1YearDuration | 16188796000 | JPY |
| Operating income | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 381670000 | JPY |
| Operating income | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 1143121000 | JPY |
| Operating income | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 1524792000 | JPY |
| Operating income | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Operating income | Prior1YearDuration | 1524792000 | JPY |
| Assets | Prior1YearInstant_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 8793632000 | JPY |
| Assets | Prior1YearInstant_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 8471959000 | JPY |
| Assets | Prior1YearInstant_TotalOfReportableSegmentsAndOthersMember | 17265591000 | JPY |
| Assets | Prior1YearInstant_ReconcilingItemsMember | 13073509000 | JPY |
| Assets | Prior1YearInstant | 30339101000 | JPY |
| Depreciation segment information | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 611149000 | JPY |
| Depreciation segment information | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 335805000 | JPY |
| Depreciation segment information | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 946954000 | JPY |
| Depreciation segment information | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Depreciation segment information | Prior1YearDuration | 946954000 | JPY |
| Amortization of goodwill sga | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 252065000 | JPY |
| Amortization of goodwill sga | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 56031000 | JPY |
| Amortization of goodwill sga | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 308096000 | JPY |
| Amortization of goodwill sga | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Amortization of goodwill sga | Prior1YearDuration | 308096000 | JPY |
| Impairment loss el | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | － | JPY |
| Impairment loss el | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 20452000 | JPY |
| Impairment loss el | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 20452000 | JPY |
| Impairment loss el | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Impairment loss el | Prior1YearDuration | 20452000 | 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 | 18139000 | JPY |
| Investments in entities accounted for using equity method | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 18139000 | JPY |
| Investments in entities accounted for using equity method | Prior1YearDuration_ReconcilingItemsMember | － | JPY |
| Investments in entities accounted for using equity method | Prior1YearDuration | 18139000 | JPY |
| Increase in property plant and equipment and intangible assets | Prior1YearDuration_jpcrp030000-asr_E01717-000PrecisionMachineryRelatedProductsMember | 528770000 | JPY |
| Increase in property plant and equipment and intangible assets | Prior1YearDuration_jpcrp030000-asr_E01717-000OpticalRelatedProductsReportableSegmentsMember | 914740000 | JPY |
| Increase in property plant and equipment and intangible assets | Prior1YearDuration_TotalOfReportableSegmentsAndOthersMember | 1443510000 | JPY |
| Increase in property plant and equipment and intangible assets | Prior1YearDuration_ReconcilingItemsMember | 32634000 | 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 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 |