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¥27.2bn2025-04-01 → 2026-03-31Cons.Net sales
Revenue¥27.1bn2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥26.2bn2023-04-01 → 2024-03-31vCons.Net sales (5-year summary)
Revenue¥26.7bn2022-04-01 → 2023-03-31vCons.Net sales (5-year summary)
Revenue¥24.2bn2021-04-01 → 2022-03-31vCons.Net sales (5-year summary)
Operating income¥513m2025-04-01 → 2026-03-31Cons.Operating income
Operating income¥464m2024-04-01 → 2025-03-31Cons.Operating income
Ordinary income¥629m2025-04-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥587m2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥503m2023-04-01 → 2024-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥472m2022-04-01 → 2023-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥319m2021-04-01 → 2022-03-31vCons.Ordinary income loss (5-year summary)
Profit before tax¥1.1bn2025-04-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥941m2024-04-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥752m2025-04-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥629m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥347m2023-04-01 → 2024-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥304m2022-04-01 → 2023-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥63m2021-04-01 → 2022-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥752m2025-04-01 → 2026-03-31Cons.Profit loss
Net income¥629m2024-04-01 → 2025-03-31Cons.Profit loss
Total assets¥15.4bnat 2026-03-31Cons.Assets
Total assets¥16.2bnat 2025-03-31Cons.Assets
Total assets¥17.9bnat 2024-03-31vCons.Total assets (5-year summary)
Total assets¥16.4bnat 2023-03-31vCons.Total assets (5-year summary)
Total assets¥15.7bnat 2022-03-31vCons.Total assets (5-year summary)
Total liabilities¥6.2bnat 2026-03-31Cons.Liabilities
Total liabilities¥7.5bnat 2025-03-31Cons.Liabilities
Net assets / equity¥9.2bnat 2026-03-31Cons.Net assets
Net assets / equity¥8.7bnat 2025-03-31Cons.Net assets
Net assets / equity¥10.2bnat 2024-03-31vCons.Net assets
Net assets / equity¥9.3bnat 2023-03-31vCons.Net assets (5-year summary)
Net assets / equity¥9.0bnat 2022-03-31vCons.Net assets (5-year summary)
Cash and deposits¥2.5bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥1.5bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥2.5bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥1.4bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥2.4bnat 2024-03-31vCons.Cash and cash equivalents
Cash & equivalents¥1.6bnat 2023-03-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥1.1bnat 2022-03-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥1.1bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow−¥666m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥1.2bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥608m2022-04-01 → 2023-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow−¥502m2021-04-01 → 2022-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow¥797m2025-04-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow¥847m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥207m2023-04-01 → 2024-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥152m2022-04-01 → 2023-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow¥131m2021-04-01 → 2022-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥885m2025-04-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥1.2bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥147m2023-04-01 → 2024-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥82m2022-04-01 → 2023-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥144m2021-04-01 → 2022-03-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥836.792025-04-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥497.662024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥259.882023-04-01 → 2024-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥227.632022-04-01 → 2023-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥46.852021-04-01 → 2022-03-31vCons.Basic earnings loss per share (5-year summary)
Net assets per share¥10,214.08at 2026-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥9,479.12at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥7,616.53at 2024-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥6,978.82at 2023-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥6,743.5at 2022-03-31vCons.Net assets per share (5-year summary)
Equity ratio59.6%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio53.9%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio56.9%at 2024-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio56.8%at 2023-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio57.4%at 2022-03-31vCons.Equity to asset ratio (5-year summary)
ROE8.4%2025-04-01 → 2026-03-31Cons.Rate of return on equity (5-year summary)
ROE6.7%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE3.6%2023-04-01 → 2024-03-31vCons.Rate of return on equity (5-year summary)
ROE3.3%2022-04-01 → 2023-03-31vCons.Rate of return on equity (5-year summary)
ROE0.7%2021-04-01 → 2022-03-31vCons.Rate of return on equity (5-year summary)
Employees135at 2026-03-31Cons.Number of employees
Employees138at 2025-03-31Cons.Number of employees
Employees135at 2024-03-31vCons.Number of employees
Employees169at 2023-03-31vCons.Number of employees
Employees169at 2022-03-31vCons.Number of employees
Revenue¥24.5bn2025-04-01 → 2026-03-31StandaloneNet sales
Revenue¥25.1bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥24.3bn2023-04-01 → 2024-03-31vStandaloneNet sales (5-year summary)
Revenue¥25.0bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥22.8bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Operating income¥424m2025-04-01 → 2026-03-31StandaloneOperating income
Operating income¥433m2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income¥549m2025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income¥595m2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥520m2023-04-01 → 2024-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥525m2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥160m2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥982m2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax¥949m2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income¥691m2025-04-01 → 2026-03-31StandaloneProfit loss
Net income¥663m2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥321m2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income¥136m2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥85m2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥14.8bnat 2026-03-31StandaloneAssets
Total assets¥15.6bnat 2025-03-31StandaloneAssets
Total assets¥17.4bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥15.7bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥15.4bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥6.0bnat 2026-03-31StandaloneLiabilities
Total liabilities¥7.2bnat 2025-03-31StandaloneLiabilities
Net assets / equity¥8.8bnat 2026-03-31StandaloneNet assets
Net assets / equity¥8.4bnat 2025-03-31StandaloneNet assets
Net assets / equity¥9.9bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥9.1bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥9.0bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥1.7bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥700mat 2025-03-31StandaloneCash and deposits
EPS (basic)¥768.482025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥524.422024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥240.782023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥101.652022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥63.92021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥1002025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥902024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥902023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥902022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥852021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥9,803.29at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥9,130.33at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥7,395.61at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥6,806.38at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥6,737.58at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio59.6%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio53.7%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio56.6%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio57.7%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio58.5%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE8.0%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE7.3%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE3.4%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE1.5%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE0.9%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued1,145,500at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued1,145,500at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued1,560,000at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued1,560,000at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued1,560,000at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees90at 2026-03-31StandaloneNumber of employees
Employees90at 2025-03-31StandaloneNumber of employees
Employees88at 2024-03-31vStandaloneNumber of employees
Employees87at 2023-03-31vStandaloneNumber of employees
Employees92at 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 · 24
SegmentItemPeriodValue
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2026-03-31−¥214m
Building Materialsreportable segmentemployeesat 2026-03-3147 pure
Building Materialsreportable segmentrevenue2025-04-01 → 2026-03-31¥3.7bn
Building Materialsreportable segmentrevenue external2025-04-01 → 2026-03-31¥3.7bn
Building Materialsreportable segmentsegment profit2025-04-01 → 2026-03-31¥110m
Sciencereportable segmentemployeesat 2026-03-3177 pure
Sciencereportable segmentrevenue2025-04-01 → 2026-03-31¥23.5bn
Sciencereportable segmentrevenue external2025-04-01 → 2026-03-31¥23.5bn
Sciencereportable segmentsegment profit2025-04-01 → 2026-03-31¥617m
—segment totalrevenue2025-04-01 → 2026-03-31¥27.2bn
—segment totalrevenue external2025-04-01 → 2026-03-31¥27.2bn
—segment totalsegment profit2025-04-01 → 2026-03-31¥727m
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2025-03-31−¥230m
Building Materialsreportable segmentrevenue2024-04-01 → 2025-03-31¥4.3bn
Building Materialsreportable segmentrevenue external2024-04-01 → 2025-03-31¥4.3bn
Building Materialsreportable segmentsegment profit2024-04-01 → 2025-03-31¥210m
Sciencereportable segmentrevenue2024-04-01 → 2025-03-31¥22.8bn
Sciencereportable segmentrevenue external2024-04-01 → 2025-03-31¥22.8bn
Sciencereportable segmentsegment profit2024-04-01 → 2025-03-31¥484m
—segment totalrevenue2024-04-01 → 2025-03-31¥27.1bn
—segment totalrevenue external2024-04-01 → 2025-03-31¥27.1bn
—segment totalsegment profit2024-04-01 → 2025-03-31¥694m
Building Materialsreportable segmentemployeesat 2026-03-3114 pure
Sciencereportable segmentemployeesat 2026-03-3165 pure

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

All source rows · 1,719
ItemContextValueUnit
Independent auditors report consolidated (text)FilingDateInstantText · Plus
Audit firm1 consolidatedFilingDateInstant
Original text (Japanese)ひびき監査法人
Cpa1 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)武  藤  元  洋
Cpa2 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)細  谷  明  宏
Audit opinion consolidated (text)FilingDateInstantText · Plus
Key audit matters consolidated (text)FilingDateInstantText · Plus
Overview kam consolidated (text)FilingDateInstantText · Plus
Short description kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)繰延税金資産の回収可能性
Description including reason kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Reference kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)注記事項「(重要な会計上の見積り)1.繰延税金資産の回収可能性」及び「(税効果会計関係)」
Auditors response kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Other information consolidated (text)FilingDateInstantText · Plus
Fee related information consolidated (text)FilingDateInstantText · Plus
Independent auditors report non consolidated (text)FilingDateInstantText · Plus
Audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)ひびき監査法人
Cpa1 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)武  藤  元  洋
Cpa2 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)細  谷  明  宏
Audit opinion non consolidated (text)FilingDateInstantText · Plus
Key audit matters non consolidated (text)FilingDateInstantText · Plus
Overview kam non consolidated (text)FilingDateInstantText · Plus
Short description kam non consolidatedFilingDateInstant_Row1Member
Original text (Japanese)繰延税金資産の回収可能性
Same as kam for consolidated fskam non consolidated (text)FilingDateInstant_Row1MemberText · Plus
Reference kam non consolidatedFilingDateInstant_Row1Member
Original text (Japanese)注記事項「(重要な会計上の見積り)1.繰延税金資産の回収可能性」及び「(税効果会計関係)」
Other information non consolidated (text)FilingDateInstantText · Plus
Fee related information non consolidated (text)FilingDateInstantText · Plus
Number of submissionFilingDateInstant1
Net sales (5-year summary)Prior4YearDuration24239741000JPY
Net sales (5-year summary)Prior3YearDuration26738539000JPY
Net sales (5-year summary)Prior2YearDuration26227227000JPY
Net sales (5-year summary)Prior1YearDuration27117644000JPY
Net sales (5-year summary)CurrentYearDuration27199901000JPY
Ordinary income loss (5-year summary)Prior4YearDuration319096000JPY
Ordinary income loss (5-year summary)Prior3YearDuration471668000JPY
Ordinary income loss (5-year summary)Prior2YearDuration502616000JPY
Ordinary income loss (5-year summary)Prior1YearDuration587264000JPY
Ordinary income loss (5-year summary)CurrentYearDuration628943000JPY
Profit loss attributable to owners of parent (5-year summary)Prior4YearDuration62532000JPY
Profit loss attributable to owners of parent (5-year summary)Prior3YearDuration303736000JPY
Profit loss attributable to owners of parent (5-year summary)Prior2YearDuration346665000JPY
Profit loss attributable to owners of parent (5-year summary)Prior1YearDuration629354000JPY
Profit loss attributable to owners of parent (5-year summary)CurrentYearDuration752420000JPY
Comprehensive income (5-year summary)Prior4YearDuration-378342000JPY
Comprehensive income (5-year summary)Prior3YearDuration420039000JPY
Comprehensive income (5-year summary)Prior2YearDuration967535000JPY
Comprehensive income (5-year summary)Prior1YearDuration479117000JPY
Comprehensive income (5-year summary)CurrentYearDuration628087000JPY
Net assets (5-year summary)Prior4YearInstant9010391000JPY
Net assets (5-year summary)Prior3YearInstant9315773000JPY
Net assets (5-year summary)Prior2YearInstant10159040000JPY
Net assets (5-year summary)Prior1YearInstant8712096000JPY

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