Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-10
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥4.8bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥10.6bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥4.4bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥80m2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥119m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥23m2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥582m2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥92m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax−¥71m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥91m2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)−¥75m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥456m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥54m2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income−¥75m2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥54m2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥13.5bnat 2025-09-30Cons.Assets
Total assets¥13.9bnat 2025-03-31Cons.Assets
Total assets¥13.0bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥8.4bnat 2025-09-30Cons.Liabilities
Total liabilities¥8.6bnat 2025-03-31Cons.Liabilities
Net assets / equity¥5.1bnat 2025-09-30Cons.Net assets
Net assets / equity¥5.3bnat 2025-03-31Cons.Net assets
Net assets / equity¥4.9bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥1.9bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥1.8bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥1.8bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥1.8bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥1.6bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥1.7bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥394m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥530m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥66m2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥313m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow¥54m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow¥88m2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥22m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥461m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥207m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥-8.892025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥53.872024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥6.392024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio38.0%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio38.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio37.9%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 · 28
SegmentItemPeriodValue
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥19m
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥19m
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30¥2m
Boring Machine Relatedreportable segmentrevenue2025-04-01 → 2025-09-30¥3.2bn
Boring Machine Relatedreportable segmentrevenue external2025-04-01 → 2025-09-30¥3.2bn
Boring Machine Relatedreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥19m
Boring Machine Relatedreportable segmentsegment profit2025-04-01 → 2025-09-30¥13m
Work Execution Relatedreportable segmentrevenue2025-04-01 → 2025-09-30¥1.6bn
Work Execution Relatedreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.6bn
Work Execution Relatedreportable segmentsegment profit2025-04-01 → 2025-09-30¥65m
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥4.9bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥4.8bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥19m
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥78m
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥16m
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥16m
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30¥985,000
Boring Machine Relatedreportable segmentrevenue2024-04-01 → 2024-09-30¥2.9bn
Boring Machine Relatedreportable segmentrevenue external2024-04-01 → 2024-09-30¥2.9bn
Boring Machine Relatedreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥16m
Boring Machine Relatedreportable segmentsegment profit2024-04-01 → 2024-09-30¥55m
Work Execution Relatedreportable segmentrevenue2024-04-01 → 2024-09-30¥1.6bn
Work Execution Relatedreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.6bn
Work Execution Relatedreportable segmentsegment profit2024-04-01 → 2024-09-30¥62m
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥4.5bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥4.4bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥16m
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30¥118m

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

All source rows · 504
ItemContextValueUnit
Provision for product warrantiesPrior1YearInstant13016000JPY
Provision for product warrantiesInterimInstant48620000JPY
Provision for bonusesPrior1YearInstant230259000JPY
Provision for bonusesInterimInstant239234000JPY
Other clPrior1YearInstant316280000JPY
Other clInterimInstant222906000JPY
Current liabilitiesPrior1YearInstant4777057000JPY
Current liabilitiesInterimInstant4412218000JPY
Long term loans payablePrior1YearInstant3035066000JPY
Long term loans payableInterimInstant3202137000JPY
Provision for directors retirement benefitsPrior1YearInstant45755000JPY
Provision for directors retirement benefitsInterimInstant56666000JPY
Net defined benefit liabilityPrior1YearInstant547713000JPY
Net defined benefit liabilityInterimInstant564091000JPY
Asset retirement obligations nclPrior1YearInstant22020000JPY
Asset retirement obligations nclInterimInstant22086000JPY
Deferred tax liabilitiesPrior1YearInstant16792000JPY
Deferred tax liabilitiesInterimInstant-JPY
Deferred tax liabilities for land revaluationPrior1YearInstant15252000JPY
Deferred tax liabilities for land revaluationInterimInstant15252000JPY
Other nclPrior1YearInstant136124000JPY
Other nclInterimInstant128253000JPY
Noncurrent liabilitiesPrior1YearInstant3818726000JPY
Noncurrent liabilitiesInterimInstant3988487000JPY
LiabilitiesPrior1YearInstant8595783000JPY
LiabilitiesInterimInstant8400706000JPY
Capital stockPrior1YearInstant1165415000JPY
Capital stockInterimInstant1165415000JPY
Capital surplusPrior1YearInstant263000JPY
Capital surplusInterimInstant263000JPY
Retained earningsPrior1YearInstant4530320000JPY
Retained earningsInterimInstant4327701000JPY
Treasury stockPrior1YearInstant-278869000JPY
Treasury stockInterimInstant-278869000JPY
Shareholders equityPrior1YearInstant5417130000JPY
Shareholders equityInterimInstant5214510000JPY
Valuation difference on available for sale securitiesPrior1YearInstant172000JPY
Valuation difference on available for sale securitiesInterimInstant328000JPY
Revaluation reserve for landPrior1YearInstant-124028000JPY
Revaluation reserve for landInterimInstant-124028000JPY
Remeasurements of defined benefit plansPrior1YearInstant52301000JPY
Remeasurements of defined benefit plansInterimInstant50610000JPY
Valuation and translation adjustmentsPrior1YearInstant-71555000JPY
Valuation and translation adjustmentsInterimInstant-73089000JPY
Net assetsPrior1YearInstant5345575000JPY
Net assetsInterimInstant5141420000JPY
Liabilities and net assetsPrior1YearInstant13941359000JPY
Liabilities and net assetsInterimInstant13542127000JPY
Net salesPrior1InterimDuration4439617000JPY
Net salesInterimDuration4841368000JPY

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 rounding
balance sheet identityconsolidated 2025-09-30pass rounding
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