Annual report

Period2024-04-01 → 2025-03-31
Filed2025-06-27
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed

Amended by S100YUN8 (2026-08-06).

Key figures · 148
MetricValuePeriodScopeSource row
Revenue¥21.4bn2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥21.0bn2023-04-01 → 2024-03-31Cons.Net sales
Revenue¥19.6bn2022-04-01 → 2023-03-31vCons.Net sales (5-year summary)
Revenue¥18.1bn2021-04-01 → 2022-03-31vCons.Net sales (5-year summary)
Revenue¥17.2bn2020-04-01 → 2021-03-31dCons.Net sales (5-year summary)
Operating income¥870m2024-04-01 → 2025-03-31Cons.Operating income
Operating income¥1.1bn2023-04-01 → 2024-03-31Cons.Operating income
Ordinary income¥950m2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥1.2bn2023-04-01 → 2024-03-31Cons.Ordinary income
Ordinary income¥668m2022-04-01 → 2023-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥1.4bn2021-04-01 → 2022-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥1.3bn2020-04-01 → 2021-03-31dCons.Ordinary income loss (5-year summary)
Profit before tax¥267m2024-04-01 → 2025-03-31Cons.Income before income taxes
Profit before tax¥1.2bn2023-04-01 → 2024-03-31Cons.Income before income taxes
Net income (owners)¥13m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥835m2023-04-01 → 2024-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥448m2022-04-01 → 2023-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥965m2021-04-01 → 2022-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥872m2020-04-01 → 2021-03-31dCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥13m2024-04-01 → 2025-03-31Cons.Profit loss
Net income¥835m2023-04-01 → 2024-03-31Cons.Profit loss
Total assets¥25.9bnat 2025-03-31Cons.Assets
Total assets¥26.4bnat 2024-03-31Cons.Assets
Total assets¥25.3bnat 2023-03-31vCons.Total assets (5-year summary)
Total assets¥24.8bnat 2022-03-31vCons.Total assets (5-year summary)
Total assets¥23.9bnat 2021-03-31dCons.Total assets (5-year summary)
Total liabilities¥6.9bnat 2025-03-31Cons.Liabilities
Total liabilities¥7.3bnat 2024-03-31Cons.Liabilities
Net assets / equity¥19.0bnat 2025-03-31Cons.Net assets
Net assets / equity¥19.1bnat 2024-03-31Cons.Net assets
Net assets / equity¥18.3bnat 2023-03-31vCons.Net assets
Net assets / equity¥18.0bnat 2022-03-31vCons.Net assets (5-year summary)
Net assets / equity¥17.2bnat 2021-03-31dCons.Net assets (5-year summary)
Cash and deposits¥7.6bnat 2025-03-31Cons.Cash and deposits
Cash and deposits¥7.2bnat 2024-03-31Cons.Cash and deposits
Cash & equivalents¥7.6bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥7.2bnat 2024-03-31Cons.Cash and cash equivalents
Cash & equivalents¥6.4bnat 2023-03-31vCons.Cash and cash equivalents
Cash & equivalents¥6.8bnat 2022-03-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥7.0bnat 2021-03-31dCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥1.1bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥1.5bn2023-04-01 → 2024-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥341m2022-04-01 → 2023-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.7bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.7bn2020-04-01 → 2021-03-31dCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow−¥474m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥468m2023-04-01 → 2024-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥450m2022-04-01 → 2023-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥666m2021-04-01 → 2022-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥1.7bn2020-04-01 → 2021-03-31dCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥347m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥302m2023-04-01 → 2024-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥316m2022-04-01 → 2023-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥1.3bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥378m2020-04-01 → 2021-03-31dCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥2.842024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥181.272023-04-01 → 2024-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥97.252022-04-01 → 2023-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥209.372021-04-01 → 2022-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥189.282020-04-01 → 2021-03-31dCons.Basic earnings loss per share (5-year summary)
Net assets per share¥4,126.24at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥4,154.72at 2024-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥3,960.3at 2023-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥3,896.13at 2022-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥3,733.94at 2021-03-31dCons.Net assets per share (5-year summary)
Equity ratio73.4%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio72.5%at 2024-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio72.0%at 2023-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio72.6%at 2022-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio72.0%at 2021-03-31dCons.Equity to asset ratio (5-year summary)
ROE0.1%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE4.5%2023-04-01 → 2024-03-31Cons.Rate of return on equity (5-year summary)
ROE2.5%2022-04-01 → 2023-03-31vCons.Rate of return on equity (5-year summary)
ROE5.5%2021-04-01 → 2022-03-31vCons.Rate of return on equity (5-year summary)
ROE5.2%2020-04-01 → 2021-03-31dCons.Rate of return on equity (5-year summary)
Employees423at 2025-03-31Cons.Number of employees
Employees423at 2024-03-31Cons.Number of employees
Employees437at 2023-03-31vCons.Number of employees
Employees434at 2022-03-31vCons.Number of employees
Employees442at 2021-03-31dCons.Number of employees
Revenue¥18.6bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥18.2bn2023-04-01 → 2024-03-31StandaloneNet sales
Revenue¥17.2bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥16.3bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Revenue¥15.3bn2020-04-01 → 2021-03-31dStandaloneNet sales (5-year summary)
Operating income¥312m2024-04-01 → 2025-03-31StandaloneOperating income
Operating income¥497m2023-04-01 → 2024-03-31StandaloneOperating income
Ordinary income¥774m2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥978m2023-04-01 → 2024-03-31StandaloneOrdinary income
Ordinary income¥528m2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.3bn2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥949m2020-04-01 → 2021-03-31dStandaloneOrdinary income loss (5-year summary)
Profit before tax¥92m2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Profit before tax¥975m2023-04-01 → 2024-03-31StandaloneIncome before income taxes
Net income¥6m2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥803m2023-04-01 → 2024-03-31StandaloneProfit loss
Net income¥445m2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥949m2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Net income¥679m2020-04-01 → 2021-03-31dStandaloneNet income loss (5-year summary)
Total assets¥23.5bnat 2025-03-31StandaloneAssets
Total assets¥24.1bnat 2024-03-31StandaloneAssets
Total assets¥23.0bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥22.7bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total assets¥22.3bnat 2021-03-31dStandaloneTotal assets (5-year summary)
Total liabilities¥6.1bnat 2025-03-31StandaloneLiabilities
Total liabilities¥6.5bnat 2024-03-31StandaloneLiabilities
Net assets / equity¥17.3bnat 2025-03-31StandaloneNet assets
Net assets / equity¥17.6bnat 2024-03-31StandaloneNet assets
Net assets / equity¥16.8bnat 2023-03-31vStandaloneNet assets
Net assets / equity¥16.6bnat 2022-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥16.0bnat 2021-03-31dStandaloneNet assets (5-year summary)
Cash and deposits¥5.8bnat 2025-03-31StandaloneCash and deposits
Cash and deposits¥5.6bnat 2024-03-31StandaloneCash and deposits
EPS (basic)¥1.312024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥174.312023-04-01 → 2024-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥96.672022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥205.912021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥147.432020-04-01 → 2021-03-31dStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥702024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥702023-04-01 → 2024-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥602022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥652021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥602020-04-01 → 2021-03-31dStandaloneDividend paid per share (5-year summary)
Net assets per share¥3,759.97at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥3,819.16at 2024-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥3,648.45at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥3,612.05at 2022-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥3,470.65at 2021-03-31dStandaloneNet assets per share (5-year summary)
Equity ratio73.8%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio73.1%at 2024-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio73.0%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio73.4%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio71.7%at 2021-03-31dStandaloneEquity to asset ratio (5-year summary)
ROE0.0%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE4.7%2023-04-01 → 2024-03-31StandaloneRate of return on equity (5-year summary)
ROE2.7%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE5.8%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
ROE4.3%2020-04-01 → 2021-03-31dStandaloneRate of return on equity (5-year summary)
Shares issued4,625,000at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued4,625,000at 2024-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued4,625,000at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued4,625,000at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued4,625,000at 2021-03-31dStandaloneTotal number of issued shares (5-year summary)
Employees371at 2025-03-31StandaloneNumber of employees
Employees372at 2024-03-31StandaloneNumber of employees
Employees385at 2023-03-31vStandaloneNumber of employees
Employees385at 2022-03-31vStandaloneNumber of employees
Employees390at 2021-03-31dStandaloneNumber 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 · 40
SegmentItemPeriodValue
Reconciling Itemsreconcilingsegment assetsat 2025-03-31¥7.1bn
Leasingreportable segmentcapex2024-04-01 → 2025-03-31¥2m
Leasingreportable segmentdepreciation2024-04-01 → 2025-03-31¥43m
Leasingreportable segmentrevenue2024-04-01 → 2025-03-31¥360m
Leasingreportable segmentrevenue external2024-04-01 → 2025-03-31¥360m
Leasingreportable segmentsegment assetsat 2025-03-31¥812m
Leasingreportable segmentsegment profit2024-04-01 → 2025-03-31¥230m
Plastic Processing Productsreportable segmentcapex2024-04-01 → 2025-03-31¥366m
Plastic Processing Productsreportable segmentdepreciation2024-04-01 → 2025-03-31¥530m
Plastic Processing Productsreportable segmentemployeesat 2025-03-31423 pure
Plastic Processing Productsreportable segmentrevenue2024-04-01 → 2025-03-31¥21.1bn
Plastic Processing Productsreportable segmentrevenue external2024-04-01 → 2025-03-31¥21.1bn
Plastic Processing Productsreportable segmentsegment assetsat 2025-03-31¥18.0bn
Plastic Processing Productsreportable segmentsegment profit2024-04-01 → 2025-03-31¥639m
—segment totalcapex2024-04-01 → 2025-03-31¥368m
—segment totaldepreciation2024-04-01 → 2025-03-31¥574m
—segment totalrevenue2024-04-01 → 2025-03-31¥21.4bn
—segment totalrevenue external2024-04-01 → 2025-03-31¥21.4bn
—segment totalsegment assetsat 2025-03-31¥18.8bn
—segment totalsegment profit2024-04-01 → 2025-03-31¥870m
Reconciling Itemsreconcilingsegment assetsat 2024-03-31¥6.8bn
Leasingreportable segmentcapex2023-04-01 → 2024-03-31¥51m
Leasingreportable segmentdepreciation2023-04-01 → 2024-03-31¥43m
Leasingreportable segmentrevenue2023-04-01 → 2024-03-31¥360m
Leasingreportable segmentrevenue external2023-04-01 → 2024-03-31¥360m
Leasingreportable segmentsegment assetsat 2024-03-31¥857m
Leasingreportable segmentsegment profit2023-04-01 → 2024-03-31¥265m
Plastic Processing Productsreportable segmentcapex2023-04-01 → 2024-03-31¥384m
Plastic Processing Productsreportable segmentdepreciation2023-04-01 → 2024-03-31¥520m
Plastic Processing Productsreportable segmentrevenue2023-04-01 → 2024-03-31¥20.7bn
Plastic Processing Productsreportable segmentrevenue external2023-04-01 → 2024-03-31¥20.7bn
Plastic Processing Productsreportable segmentsegment assetsat 2024-03-31¥18.8bn
Plastic Processing Productsreportable segmentsegment profit2023-04-01 → 2024-03-31¥806m
—segment totalcapex2023-04-01 → 2024-03-31¥435m
—segment totaldepreciation2023-04-01 → 2024-03-31¥563m
—segment totalrevenue2023-04-01 → 2024-03-31¥21.0bn
—segment totalrevenue external2023-04-01 → 2024-03-31¥21.0bn
—segment totalsegment assetsat 2024-03-31¥19.6bn
—segment totalsegment profit2023-04-01 → 2024-03-31¥1.1bn
Plastic Processing Productsreportable segmentemployeesat 2025-03-31371 pure

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

All source rows · 1,391
ItemContextValueUnit
Independent auditors report consolidated (text)FilingDateInstantText · Plus
Audit firm1 consolidatedFilingDateInstant
Original text (Japanese)アーク有限責任監査法人
Cpa1 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)木  村  ゆ り か
Cpa2 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)石  嵜  祥  平
Key audit matters consolidated (text)FilingDateInstantText · Plus
Overview kam consolidated (text)FilingDateInstantText · Plus
Short description kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)ロンシール工業株式会社における製品の評価
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)当社の製品の評価」
Reference2 kam consolidatedFilingDateInstant_Row1MemberText · Plus
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)アーク有限責任監査法人
Cpa1 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)木  村  ゆ り か
Cpa2 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)石  嵜  祥  平
Key audit matters non consolidated (text)FilingDateInstantText · Plus
Overview kam non consolidated (text)FilingDateInstantText · Plus
Short description kam non consolidatedFilingDateInstant_Row1Member
Original text (Japanese)ロンシール工業株式会社における製品の評価
Same as kam for consolidated fskam non consolidated (text)FilingDateInstant_Row1MemberText · Plus
Other information non consolidated (text)FilingDateInstantText · Plus
Fee related information non consolidated (text)FilingDateInstantText · Plus
Number of submissionFilingDateInstant1
Net sales (5-year summary)Prior4YearDuration17167000000JPY
Net sales (5-year summary)Prior3YearDuration18129000000JPY
Net sales (5-year summary)Prior2YearDuration19560000000JPY
Net sales (5-year summary)Prior1YearDuration21021000000JPY
Net sales (5-year summary)CurrentYearDuration21433000000JPY
Ordinary income loss (5-year summary)Prior4YearDuration1281000000JPY
Ordinary income loss (5-year summary)Prior3YearDuration1370000000JPY
Ordinary income loss (5-year summary)Prior2YearDuration668000000JPY
Ordinary income loss (5-year summary)Prior1YearDuration1186000000JPY
Ordinary income loss (5-year summary)CurrentYearDuration950000000JPY
Profit loss attributable to owners of parent (5-year summary)Prior4YearDuration872000000JPY
Profit loss attributable to owners of parent (5-year summary)Prior3YearDuration965000000JPY
Profit loss attributable to owners of parent (5-year summary)Prior2YearDuration448000000JPY
Profit loss attributable to owners of parent (5-year summary)Prior1YearDuration835000000JPY
Profit loss attributable to owners of parent (5-year summary)CurrentYearDuration13000000JPY
Comprehensive income (5-year summary)Prior4YearDuration935000000JPY
Comprehensive income (5-year summary)Prior3YearDuration1030000000JPY
Comprehensive income (5-year summary)Prior2YearDuration595000000JPY
Comprehensive income (5-year summary)Prior1YearDuration1171000000JPY
Comprehensive income (5-year summary)CurrentYearDuration190000000JPY
Net assets (5-year summary)Prior4YearInstant17210000000JPY
Net assets (5-year summary)Prior3YearInstant17957000000JPY
Net assets (5-year summary)Prior2YearInstant18252000000JPY
Net assets (5-year summary)Prior1YearInstant19147000000JPY
Net assets (5-year summary)CurrentYearInstant19015000000JPY
Total assets (5-year summary)Prior4YearInstant23904000000JPY

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 2024-03-31pass
balance sheet identityconsolidated 2025-03-31pass
balance sheet identitynon_consolidated 2024-03-31pass rounding
balance sheet identitynon_consolidated 2025-03-31pass
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2023-03-31pass
statement vs summary · net assetsconsolidated 2024-03-31pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsnon_consolidated 2023-03-31pass
statement vs summary · net assetsnon_consolidated 2024-03-31pass
statement vs summary · net assetsnon_consolidated 2025-03-31pass
statement vs summary · net income attributable to parentconsolidated 2023-04-01/2024-03-31pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2025-03-31pass
statement vs summary · operating cash flowconsolidated 2023-04-01/2024-03-31pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2025-03-31pass
statement vs summary · revenueconsolidated 2023-04-01/2024-03-31pass
statement vs summary · revenueconsolidated 2024-04-01/2025-03-31pass
statement vs summary · revenuenon_consolidated 2023-04-01/2024-03-31pass
statement vs summary · revenuenon_consolidated 2024-04-01/2025-03-31pass
statement vs summary · total assetsconsolidated 2024-03-31pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsnon_consolidated 2024-03-31pass
statement vs summary · total assetsnon_consolidated 2025-03-31pass