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
Profit loss attributable to owners of parentPrior1InterimDuration54086000JPY
Profit loss attributable to owners of parentInterimDuration-75416000JPY
Profit lossPrior1InterimDuration54086000JPY
Profit lossInterimDuration-75416000JPY
Valuation difference on available for sale securities net of tax ociPrior1InterimDuration187000JPY
Valuation difference on available for sale securities net of tax ociInterimDuration155000JPY
Remeasurements of defined benefit plans net of tax ociPrior1InterimDuration-2169000JPY
Remeasurements of defined benefit plans net of tax ociInterimDuration-1690000JPY
Other comprehensive incomePrior1InterimDuration-1981000JPY
Other comprehensive incomeInterimDuration-1534000JPY
Comprehensive incomePrior1InterimDuration52104000JPY
Comprehensive incomeInterimDuration-76951000JPY
Comprehensive income attributable to owners of the parentPrior1InterimDuration52104000JPY
Comprehensive income attributable to owners of the parentInterimDuration-76951000JPY
Comprehensive income attributable to non controlling interestsPrior1InterimDuration-JPY
Comprehensive income attributable to non controlling interestsInterimDuration-JPY
Income before income taxesPrior1InterimDuration91484000JPY
Income before income taxesInterimDuration-70658000JPY
Depreciation and amortization ope cfPrior1InterimDuration124053000JPY
Depreciation and amortization ope cfInterimDuration123820000JPY
Amortization of goodwill ope cfPrior1InterimDuration24777000JPY
Amortization of goodwill ope cfInterimDuration37944000JPY
Increase decrease in contract liabilities ope cfPrior1InterimDuration10238000JPY
Increase decrease in contract liabilities ope cfInterimDuration-125330000JPY
Increase decrease in provision for bonuses ope cfPrior1InterimDuration68522000JPY
Increase decrease in provision for bonuses ope cfInterimDuration6395000JPY
Increase decrease in provision for product warranties ope cfPrior1InterimDuration-3103000JPY
Increase decrease in provision for product warranties ope cfInterimDuration35603000JPY
Increase decrease in net defined benefit liability ope cfPrior1InterimDuration-19387000JPY
Increase decrease in net defined benefit liability ope cfInterimDuration6188000JPY
Loss gain on sales and retirement of noncurrent assets ope cfPrior1InterimDuration643000JPY
Loss gain on sales and retirement of noncurrent assets ope cfInterimDuration-1999000JPY
Increase decrease in accrued expenses ope cfPrior1InterimDuration73287000JPY
Increase decrease in accrued expenses ope cfInterimDuration20447000JPY
Interest and dividends income ope cfPrior1InterimDuration-254000JPY
Interest and dividends income ope cfInterimDuration-1441000JPY
Interest expenses ope cfPrior1InterimDuration43551000JPY
Interest expenses ope cfInterimDuration57904000JPY
Tender offer related expenses ope cfPrior1InterimDuration-JPY
Tender offer related expenses ope cfInterimDuration95417000JPY
Decrease increase in notes and accounts receivable trade ope cfPrior1InterimDuration346576000JPY
Decrease increase in notes and accounts receivable trade ope cfInterimDuration806517000JPY
Decrease increase in inventories ope cfPrior1InterimDuration-24629000JPY
Decrease increase in inventories ope cfInterimDuration-54904000JPY
Increase decrease in notes and accounts payable trade ope cfPrior1InterimDuration-265129000JPY
Increase decrease in notes and accounts payable trade ope cfInterimDuration-105945000JPY
Other net ope cfPrior1InterimDuration-261238000JPY
Other net ope cfInterimDuration-115953000JPY
Subtotal ope cfPrior1InterimDuration209393000JPY
Subtotal ope cfInterimDuration714007000JPY

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