Half-year report · HY

Period2025-10-01 → 2026-03-31
Filed2026-05-15
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥112.5bn2025-10-01 → 2026-03-31Cons.Net sales
Revenue¥212.1bn2024-10-01 → 2025-09-30Cons.Net sales (5-year summary)
Revenue¥106.7bn2024-10-01 → 2025-03-31Cons.Net sales
Operating income¥10.0bn2025-10-01 → 2026-03-31Cons.Operating income
Operating income¥10.8bn2024-10-01 → 2025-03-31Cons.Operating income
Ordinary income¥12.5bn2025-10-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥18.8bn2024-10-01 → 2025-09-30Cons.Ordinary income loss (5-year summary)
Ordinary income¥12.1bn2024-10-01 → 2025-03-31Cons.Ordinary income
Profit before tax¥12.6bn2025-10-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥13.4bn2024-10-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥9.2bn2025-10-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥14.2bn2024-10-01 → 2025-09-30Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥9.9bn2024-10-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income¥9.3bn2025-10-01 → 2026-03-31Cons.Profit loss
Net income¥10.1bn2024-10-01 → 2025-03-31Cons.Profit loss
Total assets¥486.2bnat 2026-03-31Cons.Assets
Total assets¥455.0bnat 2025-09-30Cons.Assets
Total assets¥436.4bnat 2025-03-31Cons.Total assets (5-year summary)
Total liabilities¥163.3bnat 2026-03-31Cons.Liabilities
Total liabilities¥131.6bnat 2025-09-30Cons.Liabilities
Net assets / equity¥322.9bnat 2026-03-31Cons.Net assets
Net assets / equity¥323.5bnat 2025-09-30Cons.Net assets
Net assets / equity¥319.8bnat 2025-03-31Cons.Net assets (5-year summary)
Cash and deposits¥105.7bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥90.6bnat 2025-09-30Cons.Cash and deposits
Cash & equivalents¥100.0bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥86.0bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥93.5bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥92.6bnat 2024-09-30vCons.Cash and cash equivalents
Operating cash flow¥25.2bn2025-10-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥37.8bn2024-10-01 → 2025-09-30Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥29.0bn2024-10-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Investing cash flow−¥4.5bn2025-10-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥42.2bn2024-10-01 → 2025-09-30Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥22.5bn2024-10-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Financing cash flow−¥10.7bn2025-10-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥2.8bn2024-10-01 → 2025-09-30Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥6.7bn2024-10-01 → 2025-03-31Cons.Net cash provided by used in financing activities
EPS (basic)¥31.32025-10-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥47.322024-10-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥32.952024-10-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
Equity ratio66.1%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio70.7%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio72.9%at 2025-03-31Cons.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 · 62
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-10-01 → 2026-03-31¥3.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-10-01 → 2026-03-31¥3.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-10-01 → 2026-03-31¥35m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-10-01 → 2026-03-31−¥244m
Reconciling Itemsreconcilingrevenue2025-10-01 → 2026-03-31−¥986m
Reconciling Itemsreconcilingrevenue intersegment2025-10-01 → 2026-03-31−¥986m
Reconciling Itemsreconcilingsegment profit2025-10-01 → 2026-03-31−¥10.2bn
Electron Tubereportable segmentrevenue2025-10-01 → 2026-03-31¥38.8bn
Electron Tubereportable segmentrevenue external2025-10-01 → 2026-03-31¥38.4bn
Electron Tubereportable segmentrevenue intersegment2025-10-01 → 2026-03-31¥367m
Electron Tubereportable segmentsegment profit2025-10-01 → 2026-03-31¥10.9bn
Imaging And Measurement Instrumentsreportable segmentrevenue2025-10-01 → 2026-03-31¥17.4bn
Imaging And Measurement Instrumentsreportable segmentrevenue external2025-10-01 → 2026-03-31¥17.3bn
Imaging And Measurement Instrumentsreportable segmentrevenue intersegment2025-10-01 → 2026-03-31¥38m
Imaging And Measurement Instrumentsreportable segmentsegment profit2025-10-01 → 2026-03-31¥5.2bn
Laserreportable segmentrevenue2025-10-01 → 2026-03-31¥10.5bn
Laserreportable segmentrevenue external2025-10-01 → 2026-03-31¥10.5bn
Laserreportable segmentrevenue intersegment2025-10-01 → 2026-03-31¥46m
Laserreportable segmentsegment profit2025-10-01 → 2026-03-31−¥3.5bn
Opto Semiconductorreportable segmentrevenue2025-10-01 → 2026-03-31¥43.5bn
Opto Semiconductorreportable segmentrevenue external2025-10-01 → 2026-03-31¥43.0bn
Opto Semiconductorreportable segmentrevenue intersegment2025-10-01 → 2026-03-31¥498m
Opto Semiconductorreportable segmentsegment profit2025-10-01 → 2026-03-31¥7.8bn
—segment totalrevenue2025-10-01 → 2026-03-31¥110.2bn
—segment totalrevenue external2025-10-01 → 2026-03-31¥109.2bn
—segment totalrevenue intersegment2025-10-01 → 2026-03-31¥950m
—segment totalsegment profit2025-10-01 → 2026-03-31¥20.4bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-10-01 → 2026-03-31¥113.5bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-10-01 → 2026-03-31¥112.5bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-10-01 → 2026-03-31¥986m
Total Of Reportable Segments And Otherssegment totalsegment profit2025-10-01 → 2026-03-31¥20.2bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-10-01 → 2025-03-31¥3.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-10-01 → 2025-03-31¥2.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-10-01 → 2025-03-31¥33m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-10-01 → 2025-03-31¥858m
Reconciling Itemsreconcilingrevenue2024-10-01 → 2025-03-31−¥753m
Reconciling Itemsreconcilingrevenue intersegment2024-10-01 → 2025-03-31−¥753m
Reconciling Itemsreconcilingsegment profit2024-10-01 → 2025-03-31−¥10.3bn
Electron Tubereportable segmentrevenue2024-10-01 → 2025-03-31¥37.5bn
Electron Tubereportable segmentrevenue external2024-10-01 → 2025-03-31¥37.2bn
Electron Tubereportable segmentrevenue intersegment2024-10-01 → 2025-03-31¥270m
Electron Tubereportable segmentsegment profit2024-10-01 → 2025-03-31¥10.0bn
Imaging And Measurement Instrumentsreportable segmentrevenue2024-10-01 → 2025-03-31¥16.1bn
Imaging And Measurement Instrumentsreportable segmentrevenue external2024-10-01 → 2025-03-31¥16.0bn
Imaging And Measurement Instrumentsreportable segmentrevenue intersegment2024-10-01 → 2025-03-31¥14m
Imaging And Measurement Instrumentsreportable segmentsegment profit2024-10-01 → 2025-03-31¥4.8bn
Laserreportable segmentrevenue2024-10-01 → 2025-03-31¥11.4bn
Laserreportable segmentrevenue external2024-10-01 → 2025-03-31¥11.3bn
Laserreportable segmentrevenue intersegment2024-10-01 → 2025-03-31¥61m
Laserreportable segmentsegment profit2024-10-01 → 2025-03-31−¥1.4bn
Opto Semiconductorreportable segmentrevenue2024-10-01 → 2025-03-31¥39.6bn
Opto Semiconductorreportable segmentrevenue external2024-10-01 → 2025-03-31¥39.2bn
Opto Semiconductorreportable segmentrevenue intersegment2024-10-01 → 2025-03-31¥373m
Opto Semiconductorreportable segmentsegment profit2024-10-01 → 2025-03-31¥6.7bn
—segment totalrevenue2024-10-01 → 2025-03-31¥104.5bn
—segment totalrevenue external2024-10-01 → 2025-03-31¥103.8bn
—segment totalrevenue intersegment2024-10-01 → 2025-03-31¥720m
—segment totalsegment profit2024-10-01 → 2025-03-31¥20.2bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-10-01 → 2025-03-31¥107.5bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-10-01 → 2025-03-31¥106.7bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-10-01 → 2025-03-31¥753m
Total Of Reportable Segments And Otherssegment totalsegment profit2024-10-01 → 2025-03-31¥21.0bn

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

All source rows · 542
ItemContextValueUnit
Cash and cash equivalentsPrior2YearInstant92579000000JPY
Cash and cash equivalentsPrior1YearInstant86037000000JPY
Cash and cash equivalentsPrior1InterimInstant93549000000JPY
Cash and cash equivalentsInterimInstant99958000000JPY
Salaries sgaPrior1InterimDuration11460000000JPY
Salaries sgaInterimDuration12604000000JPY
Provision for bonuses sgaPrior1InterimDuration2180000000JPY
Provision for bonuses sgaInterimDuration2474000000JPY
Retirement benefit expenses sgaPrior1InterimDuration780000000JPY
Retirement benefit expenses sgaInterimDuration782000000JPY
Research and development expenses sgaPrior1InterimDuration8701000000JPY
Research and development expenses sgaInterimDuration9189000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E01955-000ElectronTubeReportableSegmentsMember37245000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E01955-000OptoSemiconductorReportableSegmentsMember39234000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E01955-000ImagingAndMeasurementInstrumentsReportableSegmentsMember16038000000JPY
Revenues from external customersPrior1InterimDuration_jpcrp040300-ssr_E01955-000LaserReportableSegmentsMember11295000000JPY
Revenues from external customersPrior1InterimDuration_ReportableSegmentsMember103814000000JPY
Revenues from external customersPrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember2931000000JPY
Revenues from external customersPrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember106745000000JPY
Revenues from external customersPrior1InterimDuration_ReconcilingItemsMember-JPY
Revenues from external customersPrior1InterimDuration106745000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E01955-000ElectronTubeReportableSegmentsMember270000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E01955-000OptoSemiconductorReportableSegmentsMember373000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E01955-000ImagingAndMeasurementInstrumentsReportableSegmentsMember14000000JPY
Transactions with other segmentsPrior1InterimDuration_jpcrp040300-ssr_E01955-000LaserReportableSegmentsMember61000000JPY
Transactions with other segmentsPrior1InterimDuration_ReportableSegmentsMember720000000JPY
Transactions with other segmentsPrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember33000000JPY
Transactions with other segmentsPrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember753000000JPY
Transactions with other segmentsPrior1InterimDuration_ReconcilingItemsMember-753000000JPY
Transactions with other segmentsPrior1InterimDuration-JPY
Net salesPrior1InterimDuration_jpcrp040300-ssr_E01955-000ElectronTubeReportableSegmentsMember37516000000JPY
Net salesPrior1InterimDuration_jpcrp040300-ssr_E01955-000OptoSemiconductorReportableSegmentsMember39607000000JPY
Net salesPrior1InterimDuration_jpcrp040300-ssr_E01955-000ImagingAndMeasurementInstrumentsReportableSegmentsMember16053000000JPY
Net salesPrior1InterimDuration_jpcrp040300-ssr_E01955-000LaserReportableSegmentsMember11357000000JPY
Net salesPrior1InterimDuration_ReportableSegmentsMember104534000000JPY
Net salesPrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember2964000000JPY
Net salesPrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember107498000000JPY
Net salesPrior1InterimDuration_ReconcilingItemsMember-753000000JPY
Net salesPrior1InterimDuration106745000000JPY
Operating incomePrior1InterimDuration_jpcrp040300-ssr_E01955-000ElectronTubeReportableSegmentsMember10005000000JPY
Operating incomePrior1InterimDuration_jpcrp040300-ssr_E01955-000OptoSemiconductorReportableSegmentsMember6709000000JPY
Operating incomePrior1InterimDuration_jpcrp040300-ssr_E01955-000ImagingAndMeasurementInstrumentsReportableSegmentsMember4832000000JPY
Operating incomePrior1InterimDuration_jpcrp040300-ssr_E01955-000LaserReportableSegmentsMember-1371000000JPY
Operating incomePrior1InterimDuration_ReportableSegmentsMember20176000000JPY
Operating incomePrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember858000000JPY
Operating incomePrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember21034000000JPY
Operating incomePrior1InterimDuration_ReconcilingItemsMember-10256000000JPY
Operating incomePrior1InterimDuration10777000000JPY
Revenues from external customersInterimDuration_jpcrp040300-ssr_E01955-000ElectronTubeReportableSegmentsMember38417000000JPY
Revenues from external customersInterimDuration_jpcrp040300-ssr_E01955-000OptoSemiconductorReportableSegmentsMember42969000000JPY

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 2025-09-30pass
balance sheet identityconsolidated 2026-03-31pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net assetsconsolidated 2026-03-31pass
statement vs summary · net income attributable to parentconsolidated 2024-10-01/2025-03-31pass
statement vs summary · net income attributable to parentconsolidated 2025-10-01/2026-03-31pass
statement vs summary · operating cash flowconsolidated 2024-10-01/2025-03-31pass
statement vs summary · operating cash flowconsolidated 2025-10-01/2026-03-31pass
statement vs summary · revenueconsolidated 2024-10-01/2025-03-31pass
statement vs summary · revenueconsolidated 2025-10-01/2026-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass
statement vs summary · total assetsconsolidated 2026-03-31pass