Annual report

Period2025-04-01 → 2026-03-31
Filed2026-07-01
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed

Amends S100YHHV. Amended by S100YO50 (2026-07-01).

Key figures · 149
MetricValuePeriodScopeSource row
Revenue¥2.4bn2025-04-01 → 2026-03-31Cons.Net sales
Revenue¥5.8bn2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥11.6bn2023-04-01 → 2024-03-31vCons.Net sales (5-year summary)
Revenue¥4.9bn2022-04-01 → 2023-03-31vCons.Net sales (5-year summary)
Revenue¥3.3bn2021-04-01 → 2022-03-31vCons.Net sales (5-year summary)
Operating income−¥826m2025-04-01 → 2026-03-31Cons.Operating income
Operating income¥867m2024-04-01 → 2025-03-31Cons.Operating income
Ordinary income−¥787m2025-04-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥877m2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥3.4bn2023-04-01 → 2024-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥570m2022-04-01 → 2023-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥98m2021-04-01 → 2022-03-31vCons.Ordinary income loss (5-year summary)
Profit before tax−¥843m2025-04-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥806m2024-04-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)−¥470m2025-04-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥476m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥2.3bn2023-04-01 → 2024-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥164m2022-04-01 → 2023-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)−¥40m2021-04-01 → 2022-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income−¥470m2025-04-01 → 2026-03-31Cons.Profit loss
Net income¥476m2024-04-01 → 2025-03-31Cons.Profit loss
Total assets¥8.4bnat 2026-03-31Cons.Assets
Total assets¥9.7bnat 2025-03-31Cons.Assets
Total assets¥9.8bnat 2024-03-31vCons.Total assets (5-year summary)
Total assets¥5.8bnat 2023-03-31vCons.Total assets (5-year summary)
Total assets¥4.3bnat 2022-03-31vCons.Total assets (5-year summary)
Total liabilities¥540mat 2026-03-31Cons.Liabilities
Total liabilities¥1.5bnat 2025-03-31Cons.Liabilities
Net assets / equity¥7.9bnat 2026-03-31Cons.Net assets
Net assets / equity¥8.2bnat 2025-03-31Cons.Net assets
Net assets / equity¥7.6bnat 2024-03-31vCons.Net assets
Net assets / equity¥3.4bnat 2023-03-31vCons.Net assets (5-year summary)
Net assets / equity¥2.8bnat 2022-03-31vCons.Net assets (5-year summary)
Cash and deposits¥3.8bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥4.1bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥3.3bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥3.8bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥3.7bnat 2024-03-31vCons.Cash and cash equivalents
Cash & equivalents¥1.3bnat 2023-03-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥1.4bnat 2022-03-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥501m2025-04-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥866m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥2.2bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥448m2022-04-01 → 2023-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow−¥281m2021-04-01 → 2022-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow−¥744m2025-04-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥699m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥1.3bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥1.0bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥347m2021-04-01 → 2022-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥366m2025-04-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥77m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow¥1.4bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥439m2022-04-01 → 2023-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥548m2021-04-01 → 2022-03-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥-23.472025-04-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥23.072024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥123.442023-04-01 → 2024-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥9.172022-04-01 → 2023-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-2.652021-04-01 → 2022-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥9.122022-04-01 → 2023-03-31vCons.Diluted earnings per share (5-year summary)
Net assets per share¥394.53at 2026-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥409.59at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥364.86at 2024-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥182.41at 2023-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥174.14at 2022-03-31vCons.Net assets per share (5-year summary)
Equity ratio93.6%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio84.7%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio77.4%at 2024-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio58.2%at 2023-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio62.7%at 2022-03-31vCons.Equity to asset ratio (5-year summary)
ROE-5.8%2025-04-01 → 2026-03-31Cons.Rate of return on equity (5-year summary)
ROE6.0%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE42.6%2023-04-01 → 2024-03-31vCons.Rate of return on equity (5-year summary)
ROE5.4%2022-04-01 → 2023-03-31vCons.Rate of return on equity (5-year summary)
ROE-1.5%2021-04-01 → 2022-03-31vCons.Rate of return on equity (5-year summary)
Employees208at 2026-03-31Cons.Number of employees
Employees261at 2025-03-31Cons.Number of employees
Employees310at 2024-03-31vCons.Number of employees
Employees224at 2023-03-31vCons.Number of employees
Employees179at 2022-03-31vCons.Number of employees
Revenue¥589m2025-04-01 → 2026-03-31StandaloneNet sales
Revenue¥1.3bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥1.5bn2023-04-01 → 2024-03-31vStandaloneNet sales (5-year summary)
Revenue¥1.5bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥1.6bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Operating income−¥405m2025-04-01 → 2026-03-31StandaloneOperating income
Operating income−¥99m2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income−¥129,0002025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income−¥23m2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥1.2bn2023-04-01 → 2024-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income−¥152m2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income−¥31m2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax−¥27m2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax−¥94m2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income−¥28m2025-04-01 → 2026-03-31StandaloneProfit loss
Net income−¥79m2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥1.1bn2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income−¥304m2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income−¥104m2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥4.9bnat 2026-03-31StandaloneAssets
Total assets¥4.9bnat 2025-03-31StandaloneAssets
Total assets¥5.4bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥3.0bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥2.8bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥317mat 2026-03-31StandaloneLiabilities
Total liabilities¥354mat 2025-03-31StandaloneLiabilities
Net assets / equity¥4.6bnat 2026-03-31StandaloneNet assets
Net assets / equity¥4.6bnat 2025-03-31StandaloneNet assets
Net assets / equity¥4.9bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥2.0bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥1.9bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥2.4bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥2.8bnat 2025-03-31StandaloneCash and deposits
EPS (basic)¥-1.372025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥-3.812024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥58.432023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥-16.972022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥-6.932021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥4.52025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥02024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥02023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥02022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥02021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥227.75at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥229.13at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥235.17at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥106.73at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥118.78at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio93.5%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio92.8%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio90.5%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio66.7%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio65.9%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE-0.6%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE-1.7%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE32.2%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE-15.8%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE-5.6%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued20,806,316at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued20,806,316at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued20,806,316at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued18,656,316at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued15,772,316at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees33at 2026-03-31StandaloneNumber of employees
Employees31at 2025-03-31StandaloneNumber of employees
Employees39at 2024-03-31vStandaloneNumber of employees
Employees41at 2023-03-31vStandaloneNumber of employees
Employees35at 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 · 45
SegmentItemPeriodValue
Heat Insulatorreportable segmentcapex2025-04-01 → 2026-03-31¥491m
Heat Insulatorreportable segmentdepreciation2025-04-01 → 2026-03-31¥302m
Heat Insulatorreportable segmentemployeesat 2026-03-31179 pure
Heat Insulatorreportable segmentrevenue2025-04-01 → 2026-03-31¥2.3bn
Heat Insulatorreportable segmentrevenue external2025-04-01 → 2026-03-31¥2.3bn
Heat Insulatorreportable segmentsegment assetsat 2026-03-31¥5.9bn
Heat Insulatorreportable segmentsegment profit2025-04-01 → 2026-03-31−¥352m
Nano Materialreportable segmentcapex2025-04-01 → 2026-03-31¥3m
Nano Materialreportable segmentdepreciation2025-04-01 → 2026-03-31¥359,000
Nano Materialreportable segmentemployeesat 2026-03-3120 pure
Nano Materialreportable segmentrevenue2025-04-01 → 2026-03-31¥100m
Nano Materialreportable segmentrevenue external2025-04-01 → 2026-03-31¥100m
Nano Materialreportable segmentsegment assetsat 2026-03-31¥73m
Nano Materialreportable segmentsegment profit2025-04-01 → 2026-03-31−¥143m
Total Of Reportable Segments And Otherssegment totalcapex2025-04-01 → 2026-03-31¥493m
Total Of Reportable Segments And Otherssegment totaldepreciation2025-04-01 → 2026-03-31¥302m
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2026-03-31¥2.4bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2026-03-31¥2.4bn
Total Of Reportable Segments And Otherssegment totalsegment assetsat 2026-03-31¥5.9bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2026-03-31−¥495m
Archive Businessrreportable segmentdepreciation2024-04-01 → 2025-03-31¥519,000
Archive Businessrreportable segmentrevenue2024-04-01 → 2025-03-31¥556m
Archive Businessrreportable segmentrevenue external2024-04-01 → 2025-03-31¥556m
Archive Businessrreportable segmentsegment assetsat 2025-03-31¥25m
Archive Businessrreportable segmentsegment profit2024-04-01 → 2025-03-31¥257m
Heat Insulatorreportable segmentcapex2024-04-01 → 2025-03-31¥666m
Heat Insulatorreportable segmentdepreciation2024-04-01 → 2025-03-31¥235m
Heat Insulatorreportable segmentrevenue2024-04-01 → 2025-03-31¥5.2bn
Heat Insulatorreportable segmentrevenue external2024-04-01 → 2025-03-31¥5.2bn
Heat Insulatorreportable segmentsegment assetsat 2025-03-31¥6.8bn
Heat Insulatorreportable segmentsegment profit2024-04-01 → 2025-03-31¥1.0bn
Nano Materialreportable segmentcapex2024-04-01 → 2025-03-31¥44m
Nano Materialreportable segmentdepreciation2024-04-01 → 2025-03-31¥1m
Nano Materialreportable segmentrevenue2024-04-01 → 2025-03-31¥71m
Nano Materialreportable segmentrevenue external2024-04-01 → 2025-03-31¥71m
Nano Materialreportable segmentsegment assetsat 2025-03-31¥47m
Nano Materialreportable segmentsegment profit2024-04-01 → 2025-03-31−¥142m
Total Of Reportable Segments And Otherssegment totalcapex2024-04-01 → 2025-03-31¥710m
Total Of Reportable Segments And Otherssegment totaldepreciation2024-04-01 → 2025-03-31¥236m
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2025-03-31¥5.8bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2025-03-31¥5.8bn
Total Of Reportable Segments And Otherssegment totalsegment assetsat 2025-03-31¥6.9bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2025-03-31¥1.2bn
Heat Insulatorreportable segmentemployeesat 2026-03-314 pure
Nano Materialreportable segmentemployeesat 2026-03-3120 pure

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

All source rows · 1,285
ItemContextValueUnit
Total assets (5-year summary)Prior4YearInstant4349184000JPY
Total assets (5-year summary)Prior3YearInstant5809890000JPY
Total assets (5-year summary)Prior2YearInstant9756423000JPY
Total assets (5-year summary)Prior1YearInstant9689598000JPY
Total assets (5-year summary)CurrentYearInstant8444192000JPY
Net assets per share (5-year summary)Prior4YearInstant174.14
Net assets per share (5-year summary)Prior3YearInstant182.41
Net assets per share (5-year summary)Prior2YearInstant364.86
Net assets per share (5-year summary)Prior1YearInstant409.59
Net assets per share (5-year summary)CurrentYearInstant394.53
Basic earnings loss per share (5-year summary)Prior4YearDuration-2.65
Basic earnings loss per share (5-year summary)Prior3YearDuration9.17
Basic earnings loss per share (5-year summary)Prior2YearDuration123.44
Basic earnings loss per share (5-year summary)Prior1YearDuration23.07
Basic earnings loss per share (5-year summary)CurrentYearDuration-23.47
Diluted earnings per share (5-year summary)Prior4YearDuration-
Diluted earnings per share (5-year summary)Prior3YearDuration9.12
Diluted earnings per share (5-year summary)Prior2YearDuration-
Diluted earnings per share (5-year summary)Prior1YearDuration-
Diluted earnings per share (5-year summary)CurrentYearDuration-
Equity to asset ratio (5-year summary)Prior4YearInstant0.627
Equity to asset ratio (5-year summary)Prior3YearInstant0.582
Equity to asset ratio (5-year summary)Prior2YearInstant0.774
Equity to asset ratio (5-year summary)Prior1YearInstant0.847
Equity to asset ratio (5-year summary)CurrentYearInstant0.936
Rate of return on equity (5-year summary)Prior4YearDuration-0.015
Rate of return on equity (5-year summary)Prior3YearDuration0.054
Rate of return on equity (5-year summary)Prior2YearDuration0.426
Rate of return on equity (5-year summary)Prior1YearDuration0.060
Rate of return on equity (5-year summary)CurrentYearDuration-0.058
Price earnings ratio (5-year summary)Prior4YearDuration-67.17
Price earnings ratio (5-year summary)Prior3YearDuration42.53
Price earnings ratio (5-year summary)Prior2YearDuration8.54
Price earnings ratio (5-year summary)Prior1YearDuration12.61
Price earnings ratio (5-year summary)CurrentYearDuration-12.95
Net cash provided by used in operating activities (5-year summary)Prior4YearDuration-280717000JPY
Net cash provided by used in operating activities (5-year summary)Prior3YearDuration447850000JPY
Net cash provided by used in operating activities (5-year summary)Prior2YearDuration2249768000JPY
Net cash provided by used in operating activities (5-year summary)Prior1YearDuration866454000JPY
Net cash provided by used in operating activities (5-year summary)CurrentYearDuration501150000JPY
Net cash provided by used in investing activities (5-year summary)Prior4YearDuration-347057000JPY
Net cash provided by used in investing activities (5-year summary)Prior3YearDuration-1049049000JPY
Net cash provided by used in investing activities (5-year summary)Prior2YearDuration-1283059000JPY
Net cash provided by used in investing activities (5-year summary)Prior1YearDuration-698720000JPY
Net cash provided by used in investing activities (5-year summary)CurrentYearDuration-744216000JPY
Net cash provided by used in financing activities (5-year summary)Prior4YearDuration547895000JPY
Net cash provided by used in financing activities (5-year summary)Prior3YearDuration439005000JPY
Net cash provided by used in financing activities (5-year summary)Prior2YearDuration1403146000JPY
Net cash provided by used in financing activities (5-year summary)Prior1YearDuration-76711000JPY
Net cash provided by used in financing activities (5-year summary)CurrentYearDuration-366008000JPY

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 rounding
balance sheet identityconsolidated 2026-03-31pass
balance sheet identitynon_consolidated 2025-03-31pass
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