Annual report

Period2025-04-01 → 2026-03-31
Filed2026-06-22
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 148
MetricValuePeriodScopeSource row
Revenue¥24.2bn2025-04-01 → 2026-03-31Cons.Net sales
Revenue¥22.5bn2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥20.4bn2023-04-01 → 2024-03-31vCons.Net sales (5-year summary)
Revenue¥18.0bn2022-04-01 → 2023-03-31vCons.Net sales (5-year summary)
Revenue¥16.3bn2021-04-01 → 2022-03-31vCons.Net sales (5-year summary)
Operating income¥2.9bn2025-04-01 → 2026-03-31Cons.Operating income
Operating income¥3.3bn2024-04-01 → 2025-03-31Cons.Operating income
Ordinary income¥3.1bn2025-04-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥3.5bn2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥3.2bn2023-04-01 → 2024-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥2.5bn2022-04-01 → 2023-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥2.1bn2021-04-01 → 2022-03-31vCons.Ordinary income loss (5-year summary)
Profit before tax¥3.1bn2025-04-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥3.5bn2024-04-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥2.0bn2025-04-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥2.2bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥2.2bn2023-04-01 → 2024-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥1.6bn2022-04-01 → 2023-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥1.9bn2021-04-01 → 2022-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥2.3bn2025-04-01 → 2026-03-31Cons.Profit loss
Net income¥2.6bn2024-04-01 → 2025-03-31Cons.Profit loss
Total assets¥36.1bnat 2026-03-31Cons.Assets
Total assets¥35.4bnat 2025-03-31Cons.Assets
Total assets¥31.5bnat 2024-03-31vCons.Total assets (5-year summary)
Total assets¥29.0bnat 2023-03-31vCons.Total assets (5-year summary)
Total assets¥26.6bnat 2022-03-31vCons.Total assets (5-year summary)
Total liabilities¥10.6bnat 2026-03-31Cons.Liabilities
Total liabilities¥9.8bnat 2025-03-31Cons.Liabilities
Net assets / equity¥25.5bnat 2026-03-31Cons.Net assets
Net assets / equity¥25.5bnat 2025-03-31Cons.Net assets
Net assets / equity¥23.6bnat 2024-03-31vCons.Net assets
Net assets / equity¥22.1bnat 2023-03-31vCons.Net assets (5-year summary)
Net assets / equity¥20.8bnat 2022-03-31vCons.Net assets (5-year summary)
Cash and deposits¥14.2bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥15.4bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥13.7bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥15.4bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥14.0bnat 2024-03-31vCons.Cash and cash equivalents
Cash & equivalents¥12.8bnat 2023-03-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥11.9bnat 2022-03-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥2.9bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥2.7bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥3.0bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.9bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.1bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow−¥2.1bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥1.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥883m2023-04-01 → 2024-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥551m2022-04-01 → 2023-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow¥432m2021-04-01 → 2022-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥2.4bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow¥553m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥998m2023-04-01 → 2024-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥500m2022-04-01 → 2023-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥568m2021-04-01 → 2022-03-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥269.582025-04-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥292.412024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥280.512023-04-01 → 2024-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥214.782022-04-01 → 2023-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥250.582021-04-01 → 2022-03-31vCons.Basic earnings loss per share (5-year summary)
Net assets per share¥3,193.56at 2026-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥3,125.8at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥2,911.21at 2024-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥2,743.39at 2023-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥2,585.01at 2022-03-31vCons.Net assets per share (5-year summary)
Equity ratio65.8%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio67.8%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio70.7%at 2024-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio72.4%at 2023-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio74.5%at 2022-03-31vCons.Equity to asset ratio (5-year summary)
ROE8.5%2025-04-01 → 2026-03-31Cons.Rate of return on equity (5-year summary)
ROE9.7%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE9.9%2023-04-01 → 2024-03-31vCons.Rate of return on equity (5-year summary)
ROE8.1%2022-04-01 → 2023-03-31vCons.Rate of return on equity (5-year summary)
ROE10.4%2021-04-01 → 2022-03-31vCons.Rate of return on equity (5-year summary)
Employees777at 2026-03-31Cons.Number of employees
Employees735at 2025-03-31Cons.Number of employees
Employees663at 2024-03-31vCons.Number of employees
Employees650at 2023-03-31vCons.Number of employees
Employees608at 2022-03-31vCons.Number of employees
Revenue¥16.3bn2025-04-01 → 2026-03-31StandaloneNet sales
Revenue¥15.8bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥15.4bn2023-04-01 → 2024-03-31vStandaloneNet sales (5-year summary)
Revenue¥14.0bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥12.9bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Operating income¥1.9bn2025-04-01 → 2026-03-31StandaloneOperating income
Operating income¥2.1bn2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income¥3.1bn2025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income¥2.4bn2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥2.3bn2023-04-01 → 2024-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.6bn2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.2bn2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥3.1bn2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax¥2.2bn2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income¥2.6bn2025-04-01 → 2026-03-31StandaloneProfit loss
Net income¥1.6bn2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥1.6bn2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income¥1.1bn2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥1.2bn2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥23.2bnat 2026-03-31StandaloneAssets
Total assets¥22.6bnat 2025-03-31StandaloneAssets
Total assets¥21.1bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥20.1bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥18.5bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥3.9bnat 2026-03-31StandaloneLiabilities
Total liabilities¥3.7bnat 2025-03-31StandaloneLiabilities
Net assets / equity¥19.3bnat 2026-03-31StandaloneNet assets
Net assets / equity¥18.9bnat 2025-03-31StandaloneNet assets
Net assets / equity¥18.0bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥17.3bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥16.7bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥8.8bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥8.8bnat 2025-03-31StandaloneCash and deposits
EPS (basic)¥339.092025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥207.172024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥209.112023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥148.932022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥158.332021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥1302025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥1302024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥852023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥1202022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥602021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥2,592.2at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥2,461.1at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥2,344.3at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥2,261.46at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥2,172.44at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio83.2%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio83.7%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio85.2%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio86.2%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio89.8%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE13.4%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE8.6%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE9.1%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE6.7%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE7.4%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued8,656,780at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued8,656,780at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued8,656,780at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued8,656,780at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued8,656,780at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees349at 2026-03-31StandaloneNumber of employees
Employees342at 2025-03-31StandaloneNumber of employees
Employees326at 2024-03-31vStandaloneNumber of employees
Employees325at 2023-03-31vStandaloneNumber of employees
Employees321at 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 · 44
SegmentItemPeriodValue
Reconciling Itemsreconcilingdepreciation2025-04-01 → 2026-03-31¥14m
Reconciling Itemsreconcilingsegment assetsat 2026-03-31¥1.4bn
Medical Relatedreportable segmentcapex2025-04-01 → 2026-03-31¥322m
Medical Relatedreportable segmentdepreciation2025-04-01 → 2026-03-31¥157m
Medical Relatedreportable segmentemployeesat 2026-03-31128 pure
Medical Relatedreportable segmentrevenue2025-04-01 → 2026-03-31¥3.0bn
Medical Relatedreportable segmentrevenue external2025-04-01 → 2026-03-31¥3.0bn
Medical Relatedreportable segmentsegment assetsat 2026-03-31¥8.2bn
Medical Relatedreportable segmentsegment profit2025-04-01 → 2026-03-31¥229m
Water Health Carereportable segmentcapex2025-04-01 → 2026-03-31¥276m
Water Health Carereportable segmentdepreciation2025-04-01 → 2026-03-31¥341m
Water Health Carereportable segmentemployeesat 2026-03-31649 pure
Water Health Carereportable segmentrevenue2025-04-01 → 2026-03-31¥21.1bn
Water Health Carereportable segmentrevenue external2025-04-01 → 2026-03-31¥21.1bn
Water Health Carereportable segmentsegment assetsat 2026-03-31¥26.4bn
Water Health Carereportable segmentsegment profit2025-04-01 → 2026-03-31¥2.7bn
—segment totalcapex2025-04-01 → 2026-03-31¥598m
—segment totaldepreciation2025-04-01 → 2026-03-31¥499m
—segment totalrevenue2025-04-01 → 2026-03-31¥24.2bn
—segment totalrevenue external2025-04-01 → 2026-03-31¥24.2bn
—segment totalsegment assetsat 2026-03-31¥34.7bn
—segment totalsegment profit2025-04-01 → 2026-03-31¥2.9bn
Reconciling Itemsreconcilingdepreciation2024-04-01 → 2025-03-31¥15m
Reconciling Itemsreconcilingsegment assetsat 2025-03-31¥1.4bn
Medical Relatedreportable segmentcapex2024-04-01 → 2025-03-31¥710m
Medical Relatedreportable segmentdepreciation2024-04-01 → 2025-03-31¥127m
Medical Relatedreportable segmentrevenue2024-04-01 → 2025-03-31¥2.9bn
Medical Relatedreportable segmentrevenue external2024-04-01 → 2025-03-31¥2.9bn
Medical Relatedreportable segmentsegment assetsat 2025-03-31¥8.0bn
Medical Relatedreportable segmentsegment profit2024-04-01 → 2025-03-31¥390m
Water Health Carereportable segmentcapex2024-04-01 → 2025-03-31¥353m
Water Health Carereportable segmentdepreciation2024-04-01 → 2025-03-31¥329m
Water Health Carereportable segmentrevenue2024-04-01 → 2025-03-31¥19.6bn
Water Health Carereportable segmentrevenue external2024-04-01 → 2025-03-31¥19.6bn
Water Health Carereportable segmentsegment assetsat 2025-03-31¥25.9bn
Water Health Carereportable segmentsegment profit2024-04-01 → 2025-03-31¥2.9bn
—segment totalcapex2024-04-01 → 2025-03-31¥1.1bn
—segment totaldepreciation2024-04-01 → 2025-03-31¥456m
—segment totalrevenue2024-04-01 → 2025-03-31¥22.5bn
—segment totalrevenue external2024-04-01 → 2025-03-31¥22.5bn
—segment totalsegment assetsat 2025-03-31¥33.9bn
—segment totalsegment profit2024-04-01 → 2025-03-31¥3.3bn
Medical Relatedreportable segmentemployeesat 2026-03-314 pure
Water Health Carereportable segmentemployeesat 2026-03-31345 pure

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

All source rows · 1,550
ItemContextValueUnit
Total assets (5-year summary)Prior4YearInstant26590946000JPY
Total assets (5-year summary)Prior3YearInstant29046980000JPY
Total assets (5-year summary)Prior2YearInstant31544761000JPY
Total assets (5-year summary)Prior1YearInstant35353779000JPY
Total assets (5-year summary)CurrentYearInstant36067392000JPY
Net assets per share (5-year summary)Prior4YearInstant2585.01
Net assets per share (5-year summary)Prior3YearInstant2743.39
Net assets per share (5-year summary)Prior2YearInstant2911.21
Net assets per share (5-year summary)Prior1YearInstant3125.80
Net assets per share (5-year summary)CurrentYearInstant3193.56
Basic earnings loss per share (5-year summary)Prior4YearDuration250.58
Basic earnings loss per share (5-year summary)Prior3YearDuration214.78
Basic earnings loss per share (5-year summary)Prior2YearDuration280.51
Basic earnings loss per share (5-year summary)Prior1YearDuration292.41
Basic earnings loss per share (5-year summary)CurrentYearDuration269.58
Diluted earnings per share (5-year summary)Prior4YearDuration-
Diluted earnings per share (5-year summary)Prior3YearDuration-
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)Prior4YearInstant0.745
Equity to asset ratio (5-year summary)Prior3YearInstant0.724
Equity to asset ratio (5-year summary)Prior2YearInstant0.707
Equity to asset ratio (5-year summary)Prior1YearInstant0.678
Equity to asset ratio (5-year summary)CurrentYearInstant0.658
Rate of return on equity (5-year summary)Prior4YearDuration0.104
Rate of return on equity (5-year summary)Prior3YearDuration0.081
Rate of return on equity (5-year summary)Prior2YearDuration0.099
Rate of return on equity (5-year summary)Prior1YearDuration0.097
Rate of return on equity (5-year summary)CurrentYearDuration0.085
Price earnings ratio (5-year summary)Prior4YearDuration10.3
Price earnings ratio (5-year summary)Prior3YearDuration14.1
Price earnings ratio (5-year summary)Prior2YearDuration13.7
Price earnings ratio (5-year summary)Prior1YearDuration13.2
Price earnings ratio (5-year summary)CurrentYearDuration15.8
Net cash provided by used in operating activities (5-year summary)Prior4YearDuration1145267000JPY
Net cash provided by used in operating activities (5-year summary)Prior3YearDuration1937478000JPY
Net cash provided by used in operating activities (5-year summary)Prior2YearDuration2973629000JPY
Net cash provided by used in operating activities (5-year summary)Prior1YearDuration2675358000JPY
Net cash provided by used in operating activities (5-year summary)CurrentYearDuration2851348000JPY
Net cash provided by used in investing activities (5-year summary)Prior4YearDuration432240000JPY
Net cash provided by used in investing activities (5-year summary)Prior3YearDuration-551136000JPY
Net cash provided by used in investing activities (5-year summary)Prior2YearDuration-882828000JPY
Net cash provided by used in investing activities (5-year summary)Prior1YearDuration-1887396000JPY
Net cash provided by used in investing activities (5-year summary)CurrentYearDuration-2074968000JPY
Net cash provided by used in financing activities (5-year summary)Prior4YearDuration568373000JPY
Net cash provided by used in financing activities (5-year summary)Prior3YearDuration-500489000JPY
Net cash provided by used in financing activities (5-year summary)Prior2YearDuration-998184000JPY
Net cash provided by used in financing activities (5-year summary)Prior1YearDuration552580000JPY
Net cash provided by used in financing activities (5-year summary)CurrentYearDuration-2411049000JPY

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
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