Annual report

Period2025-06-01 → 2026-05-31
Filed2026-08-26
StandardJapan GAAP
ConsolidatedYes
Data checks23 of 24 passed

Amended by S100Z0B0 (2026-09-04).

Key figures · 148
MetricValuePeriodScopeSource row
Revenue¥24.6bn2025-06-01 → 2026-05-31Cons.Net sales
Revenue¥23.7bn2024-06-01 → 2025-05-31Cons.Net sales
Revenue¥22.7bn2023-06-01 → 2024-05-31vCons.Net sales (5-year summary)
Revenue¥19.5bn2022-06-01 → 2023-05-31vCons.Net sales (5-year summary)
Revenue¥17.8bn2021-06-01 → 2022-05-31vCons.Net sales (5-year summary)
Operating income¥2.1bn2025-06-01 → 2026-05-31Cons.Operating income
Operating income¥1.9bn2024-06-01 → 2025-05-31Cons.Operating income
Ordinary income¥2.2bn2025-06-01 → 2026-05-31Cons.Ordinary income
Ordinary income¥2.0bn2024-06-01 → 2025-05-31Cons.Ordinary income
Ordinary income¥1.5bn2023-06-01 → 2024-05-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥887m2022-06-01 → 2023-05-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥1.9bn2021-06-01 → 2022-05-31vCons.Ordinary income loss (5-year summary)
Profit before tax¥2.7bn2025-06-01 → 2026-05-31Cons.Income before income taxes
Profit before tax¥2.6bn2024-06-01 → 2025-05-31Cons.Income before income taxes
Net income (owners)¥1.9bn2025-06-01 → 2026-05-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥1.8bn2024-06-01 → 2025-05-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥706m2023-06-01 → 2024-05-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥562m2022-06-01 → 2023-05-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥1.2bn2021-06-01 → 2022-05-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥1.9bn2025-06-01 → 2026-05-31Cons.Profit loss
Net income¥1.8bn2024-06-01 → 2025-05-31Cons.Profit loss
Total assets¥23.8bnat 2026-05-31Cons.Assets
Total assets¥22.6bnat 2025-05-31Cons.Assets
Total assets¥22.7bnat 2024-05-31vCons.Total assets (5-year summary)
Total assets¥23.6bnat 2023-05-31vCons.Total assets (5-year summary)
Total assets¥20.8bnat 2022-05-31vCons.Total assets (5-year summary)
Total liabilities¥7.6bnat 2026-05-31Cons.Liabilities
Total liabilities¥7.8bnat 2025-05-31Cons.Liabilities
Net assets / equity¥16.3bnat 2026-05-31Cons.Net assets
Net assets / equity¥14.8bnat 2025-05-31Cons.Net assets
Net assets / equity¥13.4bnat 2024-05-31vCons.Net assets
Net assets / equity¥13.0bnat 2023-05-31vCons.Net assets (5-year summary)
Net assets / equity¥12.5bnat 2022-05-31vCons.Net assets (5-year summary)
Cash and deposits¥8.4bnat 2026-05-31Cons.Cash and deposits
Cash and deposits¥6.8bnat 2025-05-31Cons.Cash and deposits
Cash & equivalents¥7.9bnat 2026-05-31Cons.Cash and cash equivalents
Cash & equivalents¥6.5bnat 2025-05-31Cons.Cash and cash equivalents
Cash & equivalents¥6.8bnat 2024-05-31vCons.Cash and cash equivalents
Cash & equivalents¥6.7bnat 2023-05-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥6.1bnat 2022-05-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥2.7bn2025-06-01 → 2026-05-31Cons.Net cash provided by used in operating activities
Operating cash flow¥1.0bn2024-06-01 → 2025-05-31Cons.Net cash provided by used in operating activities
Operating cash flow¥1.3bn2023-06-01 → 2024-05-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.1bn2022-06-01 → 2023-05-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.6bn2021-06-01 → 2022-05-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow¥40m2025-06-01 → 2026-05-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥420m2024-06-01 → 2025-05-31Cons.Net cash provided by used in investment activities
Investing cash flow¥102m2023-06-01 → 2024-05-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥690m2022-06-01 → 2023-05-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥616m2021-06-01 → 2022-05-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥1.4bn2025-06-01 → 2026-05-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥946m2024-06-01 → 2025-05-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥1.4bn2023-06-01 → 2024-05-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥92m2022-06-01 → 2023-05-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥789m2021-06-01 → 2022-05-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥321.012025-06-01 → 2026-05-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥305.842024-06-01 → 2025-05-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥119.582023-06-01 → 2024-05-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥95.132022-06-01 → 2023-05-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥208.592021-06-01 → 2022-05-31vCons.Basic earnings loss per share (5-year summary)
Net assets per share¥2,744.08at 2026-05-31Cons.Net assets per share (5-year summary)
Net assets per share¥2,499.68at 2025-05-31Cons.Net assets per share (5-year summary)
Net assets per share¥2,267.35at 2024-05-31vCons.Net assets per share (5-year summary)
Net assets per share¥2,179.33at 2023-05-31vCons.Net assets per share (5-year summary)
Net assets per share¥2,121.49at 2022-05-31vCons.Net assets per share (5-year summary)
Equity ratio68.2%at 2026-05-31Cons.Equity to asset ratio (5-year summary)
Equity ratio65.3%at 2025-05-31Cons.Equity to asset ratio (5-year summary)
Equity ratio58.9%at 2024-05-31vCons.Equity to asset ratio (5-year summary)
Equity ratio54.6%at 2023-05-31vCons.Equity to asset ratio (5-year summary)
Equity ratio60.2%at 2022-05-31vCons.Equity to asset ratio (5-year summary)
ROE12.3%2025-06-01 → 2026-05-31Cons.Rate of return on equity (5-year summary)
ROE12.8%2024-06-01 → 2025-05-31Cons.Rate of return on equity (5-year summary)
ROE5.4%2023-06-01 → 2024-05-31vCons.Rate of return on equity (5-year summary)
ROE4.4%2022-06-01 → 2023-05-31vCons.Rate of return on equity (5-year summary)
ROE10.3%2021-06-01 → 2022-05-31vCons.Rate of return on equity (5-year summary)
Employees380at 2026-05-31Cons.Number of employees
Employees400at 2025-05-31Cons.Number of employees
Employees394at 2024-05-31vCons.Number of employees
Employees394at 2023-05-31vCons.Number of employees
Employees339at 2022-05-31vCons.Number of employees
Revenue¥21.1bn2025-06-01 → 2026-05-31StandaloneNet sales
Revenue¥19.9bn2024-06-01 → 2025-05-31StandaloneNet sales
Revenue¥19.1bn2023-06-01 → 2024-05-31vStandaloneNet sales (5-year summary)
Revenue¥18.4bn2022-06-01 → 2023-05-31vStandaloneNet sales (5-year summary)
Revenue¥16.9bn2021-06-01 → 2022-05-31vStandaloneNet sales (5-year summary)
Operating income¥1.8bn2025-06-01 → 2026-05-31StandaloneOperating income
Operating income¥1.6bn2024-06-01 → 2025-05-31StandaloneOperating income
Ordinary income¥2.0bn2025-06-01 → 2026-05-31StandaloneOrdinary income
Ordinary income¥1.7bn2024-06-01 → 2025-05-31StandaloneOrdinary income
Ordinary income¥1.2bn2023-06-01 → 2024-05-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.0bn2022-06-01 → 2023-05-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.8bn2021-06-01 → 2022-05-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥2.4bn2025-06-01 → 2026-05-31StandaloneIncome before income taxes
Profit before tax¥2.0bn2024-06-01 → 2025-05-31StandaloneIncome before income taxes
Net income¥1.7bn2025-06-01 → 2026-05-31StandaloneProfit loss
Net income¥1.3bn2024-06-01 → 2025-05-31StandaloneProfit loss
Net income¥788m2023-06-01 → 2024-05-31vStandaloneNet income loss (5-year summary)
Net income¥715m2022-06-01 → 2023-05-31vStandaloneNet income loss (5-year summary)
Net income¥1.2bn2021-06-01 → 2022-05-31vStandaloneNet income loss (5-year summary)
Total assets¥21.7bnat 2026-05-31StandaloneAssets
Total assets¥20.5bnat 2025-05-31StandaloneAssets
Total assets¥20.7bnat 2024-05-31vStandaloneTotal assets (5-year summary)
Total assets¥20.6bnat 2023-05-31vStandaloneTotal assets (5-year summary)
Total assets¥19.6bnat 2022-05-31vStandaloneTotal assets (5-year summary)
Total liabilities¥6.8bnat 2026-05-31StandaloneLiabilities
Total liabilities¥6.8bnat 2025-05-31StandaloneLiabilities
Net assets / equity¥14.9bnat 2026-05-31StandaloneNet assets
Net assets / equity¥13.7bnat 2025-05-31StandaloneNet assets
Net assets / equity¥12.7bnat 2024-05-31vStandaloneNet assets
Net assets / equity¥12.2bnat 2023-05-31vStandaloneNet assets (5-year summary)
Net assets / equity¥11.7bnat 2022-05-31vStandaloneNet assets (5-year summary)
Cash and deposits¥6.3bnat 2026-05-31StandaloneCash and deposits
Cash and deposits¥5.0bnat 2025-05-31StandaloneCash and deposits
EPS (basic)¥291.432025-06-01 → 2026-05-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥226.492024-06-01 → 2025-05-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥133.462023-06-01 → 2024-05-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥121.182022-06-01 → 2023-05-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥198.412021-06-01 → 2022-05-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥772025-06-01 → 2026-05-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥922024-06-01 → 2025-05-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥442023-06-01 → 2024-05-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥642022-06-01 → 2023-05-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥282021-06-01 → 2022-05-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥2,516.81at 2026-05-31StandaloneNet assets per share (5-year summary)
Net assets per share¥2,323.58at 2025-05-31StandaloneNet assets per share (5-year summary)
Net assets per share¥2,154.42at 2024-05-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥2,066.02at 2023-05-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥1,986.14at 2022-05-31vStandaloneNet assets per share (5-year summary)
Equity ratio68.8%at 2026-05-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio66.8%at 2025-05-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio61.5%at 2024-05-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio59.2%at 2023-05-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio60.0%at 2022-05-31vStandaloneEquity to asset ratio (5-year summary)
ROE12.0%2025-06-01 → 2026-05-31StandaloneRate of return on equity (5-year summary)
ROE10.1%2024-06-01 → 2025-05-31StandaloneRate of return on equity (5-year summary)
ROE6.3%2023-06-01 → 2024-05-31vStandaloneRate of return on equity (5-year summary)
ROE6.0%2022-06-01 → 2023-05-31vStandaloneRate of return on equity (5-year summary)
ROE10.4%2021-06-01 → 2022-05-31vStandaloneRate of return on equity (5-year summary)
Shares issued5,943,000at 2026-05-31StandaloneTotal number of issued shares (5-year summary)
Shares issued5,943,000at 2025-05-31StandaloneTotal number of issued shares (5-year summary)
Shares issued5,943,000at 2024-05-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued5,943,000at 2023-05-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued5,943,000at 2022-05-31vStandaloneTotal number of issued shares (5-year summary)
Employees242at 2026-05-31StandaloneNumber of employees
Employees242at 2025-05-31StandaloneNumber of employees
Employees239at 2024-05-31vStandaloneNumber of employees
Employees239at 2023-05-31vStandaloneNumber of employees
Employees231at 2022-05-31vStandaloneNumber 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 · 38
SegmentItemPeriodValue
Chemical Businessreportable segmentcapex2025-06-01 → 2026-05-31¥525m
Chemical Businessreportable segmentdepreciation2025-06-01 → 2026-05-31¥496m
Chemical Businessreportable segmentemployeesat 2026-05-31360 pure
Chemical Businessreportable segmentrevenue2025-06-01 → 2026-05-31¥23.3bn
Chemical Businessreportable segmentrevenue external2025-06-01 → 2026-05-31¥23.3bn
Chemical Businessreportable segmentsegment assetsat 2026-05-31¥22.0bn
Chemical Businessreportable segmentsegment profit2025-06-01 → 2026-05-31¥1.9bn
Healthcare Businessreportable segmentcapex2025-06-01 → 2026-05-31¥4m
Healthcare Businessreportable segmentdepreciation2025-06-01 → 2026-05-31¥35m
Healthcare Businessreportable segmentemployeesat 2026-05-3120 pure
Healthcare Businessreportable segmentrevenue2025-06-01 → 2026-05-31¥1.4bn
Healthcare Businessreportable segmentrevenue external2025-06-01 → 2026-05-31¥1.4bn
Healthcare Businessreportable segmentsegment assetsat 2026-05-31¥1.9bn
Healthcare Businessreportable segmentsegment profit2025-06-01 → 2026-05-31¥212m
—segment totalcapex2025-06-01 → 2026-05-31¥529m
—segment totaldepreciation2025-06-01 → 2026-05-31¥531m
—segment totalrevenue2025-06-01 → 2026-05-31¥24.6bn
—segment totalrevenue external2025-06-01 → 2026-05-31¥24.6bn
—segment totalsegment assetsat 2026-05-31¥23.8bn
—segment totalsegment profit2025-06-01 → 2026-05-31¥2.1bn
Chemical Businessreportable segmentcapex2024-06-01 → 2025-05-31¥442m
Chemical Businessreportable segmentdepreciation2024-06-01 → 2025-05-31¥497m
Chemical Businessreportable segmentrevenue2024-06-01 → 2025-05-31¥22.2bn
Chemical Businessreportable segmentrevenue external2024-06-01 → 2025-05-31¥22.2bn
Chemical Businessreportable segmentsegment assetsat 2025-05-31¥20.7bn
Chemical Businessreportable segmentsegment profit2024-06-01 → 2025-05-31¥1.6bn
Healthcare Businessreportable segmentcapex2024-06-01 → 2025-05-31¥9m
Healthcare Businessreportable segmentdepreciation2024-06-01 → 2025-05-31¥36m
Healthcare Businessreportable segmentrevenue2024-06-01 → 2025-05-31¥1.5bn
Healthcare Businessreportable segmentrevenue external2024-06-01 → 2025-05-31¥1.5bn
Healthcare Businessreportable segmentsegment assetsat 2025-05-31¥1.8bn
Healthcare Businessreportable segmentsegment profit2024-06-01 → 2025-05-31¥278m
—segment totalcapex2024-06-01 → 2025-05-31¥451m
—segment totaldepreciation2024-06-01 → 2025-05-31¥533m
—segment totalrevenue2024-06-01 → 2025-05-31¥23.7bn
—segment totalrevenue external2024-06-01 → 2025-05-31¥23.7bn
—segment totalsegment assetsat 2025-05-31¥22.6bn
—segment totalsegment profit2024-06-01 → 2025-05-31¥1.9bn

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

All source rows · 1,587
ItemContextValueUnit
Purchase of treasury stockCurrentYearDuration-23000JPY
Disposal of treasury stockCurrentYearDuration53856000JPY
Net changes of items other than shareholders equityCurrentYearDuration_ValuationDifferenceOnAvailableForSaleSecuritiesMember-38225000JPY
Net changes of items other than shareholders equityCurrentYearDuration_ForeignCurrencyTranslationAdjustmentMember127530000JPY
Net changes of items other than shareholders equityCurrentYearDuration_ValuationAndTranslationAdjustmentsMember89305000JPY
Net changes of items other than shareholders equityCurrentYearDuration89305000JPY
Total changes of items during the periodCurrentYearDuration_ValuationDifferenceOnAvailableForSaleSecuritiesMember-38225000JPY
Total changes of items during the periodCurrentYearDuration_ForeignCurrencyTranslationAdjustmentMember127530000JPY
Total changes of items during the periodCurrentYearDuration_ValuationAndTranslationAdjustmentsMember89305000JPY
Total changes of items during the periodCurrentYearDuration1511322000JPY
Net assetsCurrentYearInstant_ValuationDifferenceOnAvailableForSaleSecuritiesMember118723000JPY
Net assetsCurrentYearInstant_ForeignCurrencyTranslationAdjustmentMember377337000JPY
Net assetsCurrentYearInstant_ValuationAndTranslationAdjustmentsMember496061000JPY
Net assetsCurrentYearInstant16268055000JPY
Income before income taxesPrior1YearDuration2604808000JPY
Income before income taxesCurrentYearDuration2724528000JPY
Depreciation and amortization ope cfPrior1YearDuration533075000JPY
Depreciation and amortization ope cfCurrentYearDuration530602000JPY
Increase decrease in net defined benefit asset or liability ope cfPrior1YearDuration-318814000JPY
Increase decrease in net defined benefit asset or liability ope cfCurrentYearDuration46876000JPY
Increase decrease in allowance for doubtful accounts ope cfPrior1YearDuration-6494000JPY
Increase decrease in allowance for doubtful accounts ope cfCurrentYearDuration2331000JPY
Decrease increase in long term prepaid expenses ope cfPrior1YearDuration-6224000JPY
Decrease increase in long term prepaid expenses ope cfCurrentYearDuration21096000JPY
Impairment loss ope cfPrior1YearDuration55430000JPY
Impairment loss ope cfCurrentYearDuration-JPY
Interest and dividends income ope cfPrior1YearDuration-29542000JPY
Interest and dividends income ope cfCurrentYearDuration-56149000JPY
Interest expenses ope cfPrior1YearDuration6487000JPY
Interest expenses ope cfCurrentYearDuration5196000JPY
Loss gain on sales and retirement of noncurrent assets ope cfPrior1YearDuration1446000JPY
Loss gain on sales and retirement of noncurrent assets ope cfCurrentYearDuration3696000JPY
Loss gain on sales of subsidiaries stocks ope cfPrior1YearDuration-424508000JPY
Loss gain on sales of subsidiaries stocks ope cfCurrentYearDuration-92069000JPY
Loss gain on sales of investment securities ope cfPrior1YearDuration-JPY
Loss gain on sales of investment securities ope cfCurrentYearDuration-418844000JPY
Reversal of provision for loss on business withdrawal ope cfPrior1YearDuration-299516000JPY
Reversal of provision for loss on business withdrawal ope cfCurrentYearDuration-JPY
Loss gain on valuation of investment securities ope cfPrior1YearDuration16412000JPY
Loss gain on valuation of investment securities ope cfCurrentYearDuration-JPY
Foreign exchange losses gains ope cfPrior1YearDuration14680000JPY
Foreign exchange losses gains ope cfCurrentYearDuration-16000JPY
Decrease increase in notes and accounts receivable trade ope cfPrior1YearDuration-277536000JPY
Decrease increase in notes and accounts receivable trade ope cfCurrentYearDuration20320000JPY
Decrease increase in inventories ope cfPrior1YearDuration-53685000JPY
Decrease increase in inventories ope cfCurrentYearDuration48862000JPY
Decrease increase in other current assets ope cfPrior1YearDuration26214000JPY
Decrease increase in other current assets ope cfCurrentYearDuration86501000JPY
Increase decrease in notes and accounts payable trade ope cfPrior1YearDuration-164805000JPY
Increase decrease in notes and accounts payable trade ope cfCurrentYearDuration-243042000JPY

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 · 23 of 24 passed
balance sheet identityconsolidated 2025-05-31pass rounding
balance sheet identityconsolidated 2026-05-31pass rounding
balance sheet identitynon_consolidated 2025-05-31pass rounding
balance sheet identitynon_consolidated 2026-05-31pass rounding
dei present pass
period resolution partial
statement vs summary · net assetsconsolidated 2024-05-31pass
statement vs summary · net assetsconsolidated 2025-05-31pass
statement vs summary · net assetsconsolidated 2026-05-31pass
statement vs summary · net assetsnon_consolidated 2024-05-31pass
statement vs summary · net assetsnon_consolidated 2025-05-31pass
statement vs summary · net assetsnon_consolidated 2026-05-31pass
statement vs summary · net income attributable to parentconsolidated 2024-06-01/2025-05-31pass
statement vs summary · net income attributable to parentconsolidated 2025-06-01/2026-05-31pass
statement vs summary · operating cash flowconsolidated 2024-06-01/2025-05-31pass
statement vs summary · operating cash flowconsolidated 2025-06-01/2026-05-31pass
statement vs summary · revenueconsolidated 2024-06-01/2025-05-31pass
statement vs summary · revenueconsolidated 2025-06-01/2026-05-31pass
statement vs summary · revenuenon_consolidated 2024-06-01/2025-05-31pass
statement vs summary · revenuenon_consolidated 2025-06-01/2026-05-31pass
statement vs summary · total assetsconsolidated 2025-05-31pass
statement vs summary · total assetsconsolidated 2026-05-31pass
statement vs summary · total assetsnon_consolidated 2025-05-31pass
statement vs summary · total assetsnon_consolidated 2026-05-31pass