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
Rent income noiPrior1InterimDuration32220000JPY
Rent income noiInterimDuration24345000JPY
Gain on valuation of compound financial instruments noiPrior1InterimDuration18091000JPY
Gain on valuation of compound financial instruments noiInterimDuration8249000JPY
Other noiPrior1InterimDuration29568000JPY
Other noiInterimDuration38446000JPY
Non operating incomePrior1InterimDuration215844000JPY
Non operating incomeInterimDuration222650000JPY
Interest expenses noePrior1InterimDuration3213000JPY
Interest expenses noeInterimDuration9184000JPY
Foreign exchange losses noePrior1InterimDuration153849000JPY
Foreign exchange losses noeInterimDuration65459000JPY
Expenses of real estate for rent noePrior1InterimDuration22600000JPY
Expenses of real estate for rent noeInterimDuration15475000JPY
Other noePrior1InterimDuration1841000JPY
Other noeInterimDuration3316000JPY
Non operating expensesPrior1InterimDuration181505000JPY
Non operating expensesInterimDuration93435000JPY
Ordinary incomePrior1InterimDuration3899721000JPY
Ordinary incomeInterimDuration4249099000JPY
Gain on sales of noncurrent assets eiPrior1InterimDuration-JPY
Gain on sales of noncurrent assets eiInterimDuration344000JPY
Gain on sales of investment securities eiPrior1InterimDuration8134000JPY
Gain on sales of investment securities eiInterimDuration-JPY
Gain on redemption of investment securities eiPrior1InterimDuration-JPY
Gain on redemption of investment securities eiInterimDuration32924000JPY
Extraordinary incomePrior1InterimDuration8134000JPY
Extraordinary incomeInterimDuration33268000JPY
Loss on retirement of noncurrent assets elPrior1InterimDuration0JPY
Loss on retirement of noncurrent assets elInterimDuration0JPY
Loss on sales of investment securities elPrior1InterimDuration530000JPY
Loss on sales of investment securities elInterimDuration-JPY
Extraordinary lossPrior1InterimDuration530000JPY
Extraordinary lossInterimDuration0JPY
Income before income taxesPrior1InterimDuration3907325000JPY
Income before income taxesInterimDuration4282368000JPY
Income taxesPrior1InterimDuration1238030000JPY
Income taxesInterimDuration1224299000JPY
Profit lossPrior1InterimDuration2669294000JPY
Profit lossInterimDuration3058068000JPY
Profit loss attributable to owners of parentPrior1InterimDuration2669294000JPY
Profit loss attributable to owners of parentInterimDuration3058068000JPY
Profit lossPrior1InterimDuration2669294000JPY
Profit lossInterimDuration3058068000JPY
Valuation difference on available for sale securities net of tax ociPrior1InterimDuration392652000JPY
Valuation difference on available for sale securities net of tax ociInterimDuration71511000JPY
Foreign currency translation adjustment net of tax ociPrior1InterimDuration-294607000JPY
Foreign currency translation adjustment net of tax ociInterimDuration102272000JPY
Other comprehensive incomePrior1InterimDuration98044000JPY
Other comprehensive incomeInterimDuration173784000JPY

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