Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-14
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥12.8bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥24.0bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥12.0bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥4.1bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥3.9bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥4.2bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥7.9bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥3.9bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥4.3bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥3.9bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥3.1bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥5.1bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥2.7bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥3.1bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥2.7bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥32.0bnat 2025-09-30Cons.Assets
Total assets¥29.5bnat 2025-03-31Cons.Assets
Total assets¥26.7bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥9.0bnat 2025-09-30Cons.Liabilities
Total liabilities¥8.1bnat 2025-03-31Cons.Liabilities
Net assets / equity¥23.0bnat 2025-09-30Cons.Net assets
Net assets / equity¥21.4bnat 2025-03-31Cons.Net assets
Net assets / equity¥19.9bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥12.9bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥12.5bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥12.1bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥12.6bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥10.5bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥9.4bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥3.5bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥6.0bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥3.5bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥2.9bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥1.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥1.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥1.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥700m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥745m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥260.032025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥430.922024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥226.972024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio72.0%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio72.6%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio74.7%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
Otherother segmentsrevenue2025-04-01 → 2025-09-30¥771m
Otherother segmentsrevenue external2025-04-01 → 2025-09-30¥771m
Otherother segmentssegment profit2025-04-01 → 2025-09-30¥52m
Optical Componentsreportable segmentrevenue2025-04-01 → 2025-09-30¥2.7bn
Optical Componentsreportable segmentrevenue external2025-04-01 → 2025-09-30¥2.7bn
Optical Componentsreportable segmentsegment profit2025-04-01 → 2025-09-30¥698m
Tunable Lasers And Instrumentsreportable segmentrevenue2025-04-01 → 2025-09-30¥9.3bn
Tunable Lasers And Instrumentsreportable segmentrevenue external2025-04-01 → 2025-09-30¥9.3bn
Tunable Lasers And Instrumentsreportable segmentsegment profit2025-04-01 → 2025-09-30¥3.4bn
—segment totalrevenue2025-04-01 → 2025-09-30¥12.0bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥12.0bn
—segment totalsegment profit2025-04-01 → 2025-09-30¥4.1bn
Otherother segmentsrevenue2024-04-01 → 2024-09-30¥834m
Otherother segmentsrevenue external2024-04-01 → 2024-09-30¥834m
Otherother segmentssegment profit2024-04-01 → 2024-09-30¥42m
Optical Componentsreportable segmentrevenue2024-04-01 → 2024-09-30¥1.5bn
Optical Componentsreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.5bn
Optical Componentsreportable segmentsegment profit2024-04-01 → 2024-09-30¥102m
Tunable Lasers And Instrumentsreportable segmentrevenue2024-04-01 → 2024-09-30¥9.6bn
Tunable Lasers And Instrumentsreportable segmentrevenue external2024-04-01 → 2024-09-30¥9.6bn
Tunable Lasers And Instrumentsreportable segmentsegment profit2024-04-01 → 2024-09-30¥3.7bn
—segment totalrevenue2024-04-01 → 2024-09-30¥11.2bn
—segment totalrevenue external2024-04-01 → 2024-09-30¥11.2bn
—segment totalsegment profit2024-04-01 → 2024-09-30¥3.8bn

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

All source rows · 509
ItemContextValueUnit
Comprehensive incomePrior1InterimDuration2767339000JPY
Comprehensive incomeInterimDuration3231853000JPY
Comprehensive income attributable to owners of the parentPrior1InterimDuration2767339000JPY
Comprehensive income attributable to owners of the parentInterimDuration3231853000JPY
Comprehensive income attributable to non controlling interestsPrior1InterimDuration-JPY
Comprehensive income attributable to non controlling interestsInterimDuration-JPY
Income before income taxesPrior1InterimDuration3907325000JPY
Income before income taxesInterimDuration4282368000JPY
Depreciation and amortization ope cfPrior1InterimDuration278089000JPY
Depreciation and amortization ope cfInterimDuration295959000JPY
Amortization of goodwill ope cfPrior1InterimDuration48048000JPY
Amortization of goodwill ope cfInterimDuration51390000JPY
Increase decrease in net defined benefit liability ope cfPrior1InterimDuration-6488000JPY
Increase decrease in net defined benefit liability ope cfInterimDuration1052000JPY
Increase decrease in provision for bonuses ope cfPrior1InterimDuration78161000JPY
Increase decrease in provision for bonuses ope cfInterimDuration18939000JPY
Increase decrease in provision for directors bonuses ope cfPrior1InterimDuration36198000JPY
Increase decrease in provision for directors bonuses ope cfInterimDuration-74237000JPY
Increase decrease in allowance for doubtful accounts ope cfPrior1InterimDuration-177000JPY
Increase decrease in allowance for doubtful accounts ope cfInterimDuration-JPY
Interest and dividends income ope cfPrior1InterimDuration-135963000JPY
Interest and dividends income ope cfInterimDuration-151608000JPY
Interest expenses ope cfPrior1InterimDuration3213000JPY
Interest expenses ope cfInterimDuration9184000JPY
Foreign exchange losses gains ope cfPrior1InterimDuration12934000JPY
Foreign exchange losses gains ope cfInterimDuration2216000JPY
Loss gain on valuation of compound financial instruments ope cfPrior1InterimDuration-18091000JPY
Loss gain on valuation of compound financial instruments ope cfInterimDuration-8249000JPY
Loss gain on sales of investment securities ope cfPrior1InterimDuration-7604000JPY
Loss gain on sales of investment securities ope cfInterimDuration-JPY
Loss gain on redemption of investment securities ope cfPrior1InterimDuration-JPY
Loss gain on redemption of investment securities ope cfInterimDuration-32924000JPY
Loss gain on sales of noncurrent assets ope cfPrior1InterimDuration-JPY
Loss gain on sales of noncurrent assets ope cfInterimDuration-344000JPY
Loss on retirement of noncurrent assets ope cfPrior1InterimDuration0JPY
Loss on retirement of noncurrent assets ope cfInterimDuration0JPY
Decrease increase in notes and accounts receivable trade ope cfPrior1InterimDuration1397472000JPY
Decrease increase in notes and accounts receivable trade ope cfInterimDuration394933000JPY
Decrease increase in inventories ope cfPrior1InterimDuration-4581000JPY
Decrease increase in inventories ope cfInterimDuration-631048000JPY
Increase decrease in notes and accounts payable trade ope cfPrior1InterimDuration-188893000JPY
Increase decrease in notes and accounts payable trade ope cfInterimDuration408300000JPY
Increase decrease in accrued consumption taxes ope cfPrior1InterimDuration-48288000JPY
Increase decrease in accrued consumption taxes ope cfInterimDuration-73237000JPY
Other net ope cfPrior1InterimDuration-337533000JPY
Other net ope cfInterimDuration-313522000JPY
Subtotal ope cfPrior1InterimDuration5013821000JPY
Subtotal ope cfInterimDuration4179173000JPY
Interest and dividends income received ope cf inv cfPrior1InterimDuration134386000JPY
Interest and dividends income received ope cf inv cfInterimDuration142489000JPY

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
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