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
Number of shares held details of specified investment equity securities held for purposes other than pure investment reporting companyCurrentYearInstant_Row9Member-
Number of shares held details of specified investment equity securities held for purposes other than pure investment reporting companyPrior1YearInstant_Row9Member127000
Book value details of specified investment equity securities held for purposes other than pure investment reporting companyCurrentYearInstant_Row9Member-JPY
Book value details of specified investment equity securities held for purposes other than pure investment reporting companyPrior1YearInstant_Row9Member205105000JPY
Number of employeesCurrentYearInstant_jpcrp030000-asr_E00890-000ChemicalBusinessReportableSegmentsMember360
Average number of temporary workersCurrentYearInstant_jpcrp030000-asr_E00890-000ChemicalBusinessReportableSegmentsMember166
Number of employeesCurrentYearInstant_jpcrp030000-asr_E00890-000HealthcareBusinessReportableSegmentsMember20
Average number of temporary workersCurrentYearInstant_jpcrp030000-asr_E00890-000HealthcareBusinessReportableSegmentsMember6
Number of employeesCurrentYearInstant380
Average number of temporary workersCurrentYearInstant172
Number of employeesCurrentYearInstant_NonConsolidatedMember242
Average number of temporary workersCurrentYearInstant_NonConsolidatedMember111
Average age years information about reporting company information about employeesCurrentYearInstant_NonConsolidatedMember43
Average age months information about reporting company information about employeesCurrentYearInstant_NonConsolidatedMember8
Average length of service years information about reporting company information about employeesCurrentYearInstant_NonConsolidatedMember15
Average length of service months information about reporting company information about employeesCurrentYearInstant_NonConsolidatedMember2
Average annual salary information about reporting company information about employeesCurrentYearInstant_NonConsolidatedMember8045294JPY
Change from previous fiscal year in average annual salary information about reporting company information about employeesCurrentYearInstant_NonConsolidatedMember0.017
Ratio of female employees in managerial positions metrics of reporting companyCurrentYearInstant_NonConsolidatedMember0.043
All employees calculated based on provisions of article714 item1 of ordinance for enforcement of act on childcare leave caregiver leave and other measures for the welfare of workers caring for children or other family members ratio of male employees taking childcare leave metrics of reporting companyCurrentYearInstant_NonConsolidatedMember0.875
All employees differences in wages between male and female employees metrics of reporting companyCurrentYearInstant_NonConsolidatedMember0.719
Regular employees differences in wages between male and female employees metrics of reporting companyCurrentYearInstant_NonConsolidatedMember0.797
Non regular employees differences in wages between male and female employees metrics of reporting companyCurrentYearInstant_NonConsolidatedMember0.747
Cash and depositsPrior1YearInstant6840350000JPY
Cash and depositsCurrentYearInstant8350834000JPY
Notes and accounts receivable tradePrior1YearInstant3565368000JPY
Notes and accounts receivable tradeCurrentYearInstant3530375000JPY
Electronically recorded monetary claims operating caPrior1YearInstant1208868000JPY
Electronically recorded monetary claims operating caCurrentYearInstant1231705000JPY
Merchandise and finished goodsPrior1YearInstant995598000JPY
Merchandise and finished goodsCurrentYearInstant893262000JPY
Work in processPrior1YearInstant423775000JPY
Work in processCurrentYearInstant438475000JPY
Raw materials and suppliesPrior1YearInstant665528000JPY
Raw materials and suppliesCurrentYearInstant720331000JPY
Other caPrior1YearInstant418119000JPY
Other caCurrentYearInstant301475000JPY
Allowance for doubtful accounts caPrior1YearInstant-1603000JPY
Allowance for doubtful accounts caCurrentYearInstant-1626000JPY
Current assetsPrior1YearInstant14116005000JPY
Current assetsCurrentYearInstant15464835000JPY
Buildings and structuresPrior1YearInstant9217850000JPY
Buildings and structuresCurrentYearInstant9325087000JPY
Accumulated depreciation buildings and structuresPrior1YearInstant-6106023000JPY
Accumulated depreciation buildings and structuresCurrentYearInstant-6385869000JPY
Buildings and structures netPrior1YearInstant3111827000JPY
Buildings and structures netCurrentYearInstant2939218000JPY
Machinery equipment and vehiclesPrior1YearInstant7323526000JPY
Machinery equipment and vehiclesCurrentYearInstant7447381000JPY
Accumulated depreciation machinery equipment and vehiclesPrior1YearInstant-6550375000JPY

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