Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-07
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 45
MetricValuePeriodScopeSource row
Revenue¥5.0bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥10.3bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥3.8bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥79m2025-04-01 → 2025-09-30Cons.Operating income
Operating income−¥38m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥1.3bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥4.7bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥2.3bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥1.3bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥2.3bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥1.3bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥4.2bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥2.3bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥1.3bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥2.3bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥31.0bnat 2025-09-30Cons.Assets
Total assets¥29.0bnat 2025-03-31Cons.Assets
Total assets¥29.3bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥3.4bnat 2025-09-30Cons.Liabilities
Total liabilities¥1.0bnat 2025-03-31Cons.Liabilities
Net assets / equity¥27.6bnat 2025-09-30Cons.Net assets
Net assets / equity¥28.0bnat 2025-03-31Cons.Net assets
Net assets / equity¥26.2bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥7.4bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥15.4bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥15.4bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥15.4bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥12.7bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥18.7bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥3.0bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥26m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow−¥2.6bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥1.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥216m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥195m2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥1.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥3.2bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥3.2bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥20.972025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥76.762024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥44.92024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥38.652024-04-01 → 2024-09-30Cons.Diluted earnings per share (5-year summary)
Equity ratio89.0%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio96.5%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio89.6%at 2024-09-30Cons.Equity to asset ratio (5-year summary)

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 · 24
SegmentItemPeriodValue
Coal Business Divisionreportable segmentrevenue2025-04-01 → 2025-09-30¥4.7bn
Coal Business Divisionreportable segmentrevenue external2025-04-01 → 2025-09-30¥4.7bn
Coal Business Divisionreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥197m
New Materials Divisionreportable segmentrevenue2025-04-01 → 2025-09-30¥127m
New Materials Divisionreportable segmentrevenue external2025-04-01 → 2025-09-30¥127m
New Materials Divisionreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥38m
Quarrying Business Divisionreportable segmentrevenue2025-04-01 → 2025-09-30¥196m
Quarrying Business Divisionreportable segmentrevenue external2025-04-01 → 2025-09-30¥196m
Quarrying Business Divisionreportable segmentsegment ordinary income2025-04-01 → 2025-09-30¥50m
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥5.0bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥5.0bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2025-04-01 → 2025-09-30¥285m
Coal Business Divisionreportable segmentrevenue2024-04-01 → 2024-09-30¥3.4bn
Coal Business Divisionreportable segmentrevenue external2024-04-01 → 2024-09-30¥3.4bn
Coal Business Divisionreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥168m
New Materials Divisionreportable segmentrevenue2024-04-01 → 2024-09-30¥132m
New Materials Divisionreportable segmentrevenue external2024-04-01 → 2024-09-30¥132m
New Materials Divisionreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥35m
Quarrying Business Divisionreportable segmentrevenue2024-04-01 → 2024-09-30¥251m
Quarrying Business Divisionreportable segmentrevenue external2024-04-01 → 2024-09-30¥251m
Quarrying Business Divisionreportable segmentsegment ordinary income2024-04-01 → 2024-09-30¥75m
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥3.8bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥3.8bn
Total Of Reportable Segments And Otherssegment totalsegment ordinary income2024-04-01 → 2024-09-30¥278m

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

All source rows · 493
ItemContextValueUnit
Foreign exchange gains noiPrior1InterimDuration-JPY
Foreign exchange gains noiInterimDuration1000000JPY
Equity in earnings of affiliates noiPrior1InterimDuration13000000JPY
Equity in earnings of affiliates noiInterimDuration5000000JPY
Other noiPrior1InterimDuration3000000JPY
Other noiInterimDuration6000000JPY
Non operating incomePrior1InterimDuration2441000000JPY
Non operating incomeInterimDuration1258000000JPY
Foreign exchange losses noePrior1InterimDuration48000000JPY
Foreign exchange losses noeInterimDuration-JPY
Taxes and dues noePrior1InterimDuration8000000JPY
Taxes and dues noeInterimDuration8000000JPY
Outsourcing noePrior1InterimDuration7000000JPY
Outsourcing noeInterimDuration9000000JPY
Other noePrior1InterimDuration20000000JPY
Other noeInterimDuration18000000JPY
Non operating expensesPrior1InterimDuration83000000JPY
Non operating expensesInterimDuration35000000JPY
Ordinary incomePrior1InterimDuration2320000000JPY
Ordinary incomeInterimDuration1303000000JPY
Gain on sales of noncurrent assets eiPrior1InterimDuration1000000JPY
Gain on sales of noncurrent assets eiInterimDuration3000000JPY
Extraordinary incomePrior1InterimDuration1000000JPY
Extraordinary incomeInterimDuration3000000JPY
Loss on sales and retirement of noncurrent assets elPrior1InterimDuration0JPY
Loss on sales and retirement of noncurrent assets elInterimDuration8000000JPY
Impairment loss elPrior1InterimDuration9000000JPY
Impairment loss elInterimDuration-JPY
Factory renovation costs elPrior1InterimDuration-JPY
Factory renovation costs elInterimDuration8000000JPY
Extraordinary lossPrior1InterimDuration9000000JPY
Extraordinary lossInterimDuration17000000JPY
Income before income taxesPrior1InterimDuration2312000000JPY
Income before income taxesInterimDuration1289000000JPY
Income taxes currentPrior1InterimDuration3000000JPY
Income taxes currentInterimDuration35000000JPY
Income taxes deferredPrior1InterimDuration-0JPY
Income taxes deferredInterimDuration-0JPY
Income taxesPrior1InterimDuration2000000JPY
Income taxesInterimDuration35000000JPY
Profit lossPrior1InterimDuration2310000000JPY
Profit lossInterimDuration1254000000JPY
Profit loss attributable to owners of parentPrior1InterimDuration2310000000JPY
Profit loss attributable to owners of parentInterimDuration1254000000JPY
Profit lossPrior1InterimDuration2310000000JPY
Profit lossInterimDuration1254000000JPY
Valuation difference on available for sale securities net of tax ociPrior1InterimDuration2000000JPY
Valuation difference on available for sale securities net of tax ociInterimDuration64000000JPY
Other comprehensive incomePrior1InterimDuration2000000JPY
Other comprehensive incomeInterimDuration64000000JPY

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 · 14 of 14 passed
balance sheet identityconsolidated 2025-03-31pass
balance sheet identityconsolidated 2025-09-30pass
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2024-09-30pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2024-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
statement vs summary · revenueconsolidated 2024-04-01/2024-09-30pass
statement vs summary · revenueconsolidated 2025-04-01/2025-09-30pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass