Annual report

Period2025-04-01 → 2026-03-31
Filed2026-06-23
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 148
MetricValuePeriodScopeSource row
Revenue¥6.7bn2025-04-01 → 2026-03-31Cons.Net sales
Revenue¥7.6bn2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥7.5bn2023-04-01 → 2024-03-31vCons.Net sales (5-year summary)
Revenue¥7.6bn2022-04-01 → 2023-03-31vCons.Net sales (5-year summary)
Revenue¥6.5bn2021-04-01 → 2022-03-31vCons.Net sales (5-year summary)
Operating income¥255m2025-04-01 → 2026-03-31Cons.Operating income
Operating income¥709m2024-04-01 → 2025-03-31Cons.Operating income
Ordinary income¥356m2025-04-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥734m2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥1.1bn2023-04-01 → 2024-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥1.2bn2022-04-01 → 2023-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥1.0bn2021-04-01 → 2022-03-31vCons.Ordinary income loss (5-year summary)
Profit before tax¥353m2025-04-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥717m2024-04-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥276m2025-04-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥435m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥727m2023-04-01 → 2024-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥868m2022-04-01 → 2023-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥694m2021-04-01 → 2022-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥261m2025-04-01 → 2026-03-31Cons.Profit loss
Net income¥442m2024-04-01 → 2025-03-31Cons.Profit loss
Total assets¥12.5bnat 2026-03-31Cons.Assets
Total assets¥12.6bnat 2025-03-31Cons.Assets
Total assets¥12.1bnat 2024-03-31vCons.Total assets (5-year summary)
Total assets¥11.7bnat 2023-03-31vCons.Total assets (5-year summary)
Total assets¥11.9bnat 2022-03-31vCons.Total assets (5-year summary)
Total liabilities¥1.9bnat 2026-03-31Cons.Liabilities
Total liabilities¥2.2bnat 2025-03-31Cons.Liabilities
Net assets / equity¥10.6bnat 2026-03-31Cons.Net assets
Net assets / equity¥10.4bnat 2025-03-31Cons.Net assets
Net assets / equity¥10.2bnat 2024-03-31vCons.Net assets
Net assets / equity¥9.5bnat 2023-03-31vCons.Net assets (5-year summary)
Net assets / equity¥8.8bnat 2022-03-31vCons.Net assets (5-year summary)
Cash and deposits¥4.9bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥4.8bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥4.3bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥4.5bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥4.0bnat 2024-03-31vCons.Cash and cash equivalents
Cash & equivalents¥3.6bnat 2023-03-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥5.6bnat 2022-03-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥743m2025-04-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥918m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥1.1bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow−¥283m2022-04-01 → 2023-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.3bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow−¥440m2025-04-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥401m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥331m2023-04-01 → 2024-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥753m2022-04-01 → 2023-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥141m2021-04-01 → 2022-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥466m2025-04-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥12m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥514m2023-04-01 → 2024-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥959m2022-04-01 → 2023-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥334m2021-04-01 → 2022-03-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥42.342025-04-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥66.952024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥112.242023-04-01 → 2024-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥134.32022-04-01 → 2023-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥107.622021-04-01 → 2022-03-31vCons.Basic earnings loss per share (5-year summary)
Net assets per share¥1,620.26at 2026-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥1,578.29at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥1,550.52at 2024-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥1,457.03at 2023-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥1,351.01at 2022-03-31vCons.Net assets per share (5-year summary)
Equity ratio84.3%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio81.5%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio82.8%at 2024-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio80.6%at 2023-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio73.1%at 2022-03-31vCons.Equity to asset ratio (5-year summary)
ROE2.6%2025-04-01 → 2026-03-31Cons.Rate of return on equity (5-year summary)
ROE4.3%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE7.5%2023-04-01 → 2024-03-31vCons.Rate of return on equity (5-year summary)
ROE9.6%2022-04-01 → 2023-03-31vCons.Rate of return on equity (5-year summary)
ROE8.2%2021-04-01 → 2022-03-31vCons.Rate of return on equity (5-year summary)
Employees198at 2026-03-31Cons.Number of employees
Employees196at 2025-03-31Cons.Number of employees
Employees186at 2024-03-31vCons.Number of employees
Employees177at 2023-03-31vCons.Number of employees
Employees165at 2022-03-31vCons.Number of employees
Revenue¥6.4bn2025-04-01 → 2026-03-31StandaloneNet sales
Revenue¥7.2bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥7.3bn2023-04-01 → 2024-03-31vStandaloneNet sales (5-year summary)
Revenue¥7.2bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥6.1bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Operating income¥303m2025-04-01 → 2026-03-31StandaloneOperating income
Operating income¥672m2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income¥397m2025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income¥727m2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥1.1bn2023-04-01 → 2024-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.2bn2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.0bn2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥394m2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax¥710m2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income¥293m2025-04-01 → 2026-03-31StandaloneProfit loss
Net income¥440m2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥709m2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income¥856m2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥692m2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥12.1bnat 2026-03-31StandaloneAssets
Total assets¥12.3bnat 2025-03-31StandaloneAssets
Total assets¥11.8bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥11.4bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥11.6bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥1.7bnat 2026-03-31StandaloneLiabilities
Total liabilities¥2.1bnat 2025-03-31StandaloneLiabilities
Net assets / equity¥10.5bnat 2026-03-31StandaloneNet assets
Net assets / equity¥10.2bnat 2025-03-31StandaloneNet assets
Net assets / equity¥9.9bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥9.3bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥8.7bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥4.6bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥4.7bnat 2025-03-31StandaloneCash and deposits
EPS (basic)¥44.932025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥67.712024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥109.412023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥132.382022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥107.292021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥342025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥342024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥402023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥372022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥302021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥1,604.13at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥1,562.76at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥1,532.68at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥1,444.43at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥1,340.95at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio86.2%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio82.5%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio84.3%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio81.9%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio74.8%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE2.8%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE4.4%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE7.4%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE9.5%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE8.3%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued7,028,000at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued7,028,000at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued7,028,000at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued7,028,000at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued7,028,000at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees172at 2026-03-31StandaloneNumber of employees
Employees172at 2025-03-31StandaloneNumber of employees
Employees163at 2024-03-31vStandaloneNumber of employees
Employees155at 2023-03-31vStandaloneNumber of employees
Employees146at 2022-03-31vStandaloneNumber 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 · 4
SegmentItemPeriodValue
Control Management Departmentreportable segmentemployeesat 2026-03-3125 pure
Development Departmentreportable segmentemployeesat 2026-03-3144 pure
Manufacturing Departmentreportable segmentemployeesat 2026-03-3177 pure
Saledreportable segmentemployeesat 2026-03-3152 pure

Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.

All source rows · 1,383
ItemContextValueUnit
Net assetsCurrentYearInstant_NonConsolidatedMember_CapitalStockMember843300000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_LegalCapitalSurplusMember881244000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_OtherCapitalSurplusMember30382000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_CapitalSurplusMember911627000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_LegalRetainedEarningsMember100000000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_GeneralReserveMember2600000000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_RetainedEarningsBroughtForwardMember5930485000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_RetainedEarningsMember8630485000JPY
Net assetsPrior1YearInstant_NonConsolidatedMember_TreasuryStockMember-354852000JPY
Net assetsPrior1YearInstant_NonConsolidatedMember_ShareholdersEquityMember9962259000JPY
Net assetsPrior1YearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember203789000JPY
Net assetsPrior1YearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember203789000JPY
Net assetsPrior1YearInstant_NonConsolidatedMember10166048000JPY
Dividends from surplusCurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember-227973000JPY
Dividends from surplusCurrentYearDuration_NonConsolidatedMember-227973000JPY
Profit lossCurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember292803000JPY
Profit lossCurrentYearDuration_NonConsolidatedMember292803000JPY
Disposal of treasury stockCurrentYearDuration_NonConsolidatedMember_TreasuryStockMember11646000JPY
Disposal of treasury stockCurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember15117000JPY
Disposal of treasury stockCurrentYearDuration_NonConsolidatedMember15117000JPY
Net changes of items other than shareholders equityCurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember216721000JPY
Net changes of items other than shareholders equityCurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember216721000JPY
Net changes of items other than shareholders equityCurrentYearDuration_NonConsolidatedMember216721000JPY
Total changes of items during the periodCurrentYearDuration_NonConsolidatedMember_TreasuryStockMember11646000JPY
Total changes of items during the periodCurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember79946000JPY
Total changes of items during the periodCurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember216721000JPY
Total changes of items during the periodCurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember216721000JPY
Total changes of items during the periodCurrentYearDuration_NonConsolidatedMember296668000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_TreasuryStockMember-343206000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_ShareholdersEquityMember10042206000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember420511000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember420511000JPY
Net assetsCurrentYearInstant_NonConsolidatedMember10462717000JPY
Salaries and bonuses sgaPrior1YearDuration_NonConsolidatedMember387263000JPY
Salaries and bonuses sgaCurrentYearDuration_NonConsolidatedMember352792000JPY
Retirement benefit expenses sgaPrior1YearDuration_NonConsolidatedMember17115000JPY
Retirement benefit expenses sgaCurrentYearDuration_NonConsolidatedMember21388000JPY
Depreciation sgaPrior1YearDuration_NonConsolidatedMember119557000JPY
Depreciation sgaCurrentYearDuration_NonConsolidatedMember138700000JPY
Traveling and transportation expenses sgaPrior1YearDuration_NonConsolidatedMember141433000JPY
Traveling and transportation expenses sgaCurrentYearDuration_NonConsolidatedMember113722000JPY
Research and development expenses sgaPrior1YearDuration_NonConsolidatedMember594229000JPY
Research and development expenses sgaCurrentYearDuration_NonConsolidatedMember572212000JPY
Provision for directors bonuses sgaPrior1YearDuration_NonConsolidatedMember42840000JPY
Provision for directors bonuses sgaCurrentYearDuration_NonConsolidatedMember21170000JPY
Document title cover pageFilingDateInstant
Original text (Japanese)有価証券報告書
Clause of stipulation cover pageFilingDateInstant
Original text (Japanese)金融商品取引法第24条第1項
Place of filing cover pageFilingDateInstant
Original text (Japanese)東海財務局長
Filing date cover pageFilingDateInstant2026-06-23
Fiscal year cover pageFilingDateInstant
Original text (Japanese)第97期(自 2025年4月1日 至 2026年3月31日)

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 identityconsolidated 2025-03-31pass
balance sheet identityconsolidated 2026-03-31pass rounding
balance sheet identitynon_consolidated 2025-03-31pass rounding
balance sheet identitynon_consolidated 2026-03-31pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2024-03-31pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2026-03-31pass
statement vs summary · net assetsnon_consolidated 2024-03-31pass
statement vs summary · net assetsnon_consolidated 2025-03-31pass
statement vs summary · net assetsnon_consolidated 2026-03-31pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2025-03-31pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2026-03-31pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2025-03-31pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2026-03-31pass
statement vs summary · revenueconsolidated 2024-04-01/2025-03-31pass
statement vs summary · revenueconsolidated 2025-04-01/2026-03-31pass
statement vs summary · revenuenon_consolidated 2024-04-01/2025-03-31pass
statement vs summary · revenuenon_consolidated 2025-04-01/2026-03-31pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2026-03-31pass
statement vs summary · total assetsnon_consolidated 2025-03-31pass
statement vs summary · total assetsnon_consolidated 2026-03-31pass