Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-13
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥5.0bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥9.6bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥4.5bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income−¥1.0bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income−¥898m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income−¥981m2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income−¥1.7bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income−¥813m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax−¥980m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax−¥813m2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)−¥975m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)−¥1.7bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)−¥799m2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income−¥975m2025-04-01 → 2025-09-30Cons.Profit loss
Net income−¥799m2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥13.3bnat 2025-09-30Cons.Assets
Total assets¥14.0bnat 2025-03-31Cons.Assets
Total assets¥15.3bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥7.1bnat 2025-09-30Cons.Liabilities
Total liabilities¥7.0bnat 2025-03-31Cons.Liabilities
Net assets / equity¥6.3bnat 2025-09-30Cons.Net assets
Net assets / equity¥7.1bnat 2025-03-31Cons.Net assets
Net assets / equity¥7.8bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥2.1bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥3.3bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥1.1bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥2.3bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥3.8bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥3.9bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow−¥795m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow−¥400m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥324m2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥127m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥178m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥60m2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥221m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥966m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥298m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥-43.562025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-76.242024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-35.72024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio47.0%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio50.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio51.2%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 · 32
SegmentItemPeriodValue
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30−¥522m
Display Productsreportable segmentrevenue2025-04-01 → 2025-09-30¥958m
Display Productsreportable segmentrevenue external2025-04-01 → 2025-09-30¥958m
Display Productsreportable segmentsegment profit2025-04-01 → 2025-09-30¥130m
Noise Productsreportable segmentrevenue2025-04-01 → 2025-09-30¥2.1bn
Noise Productsreportable segmentrevenue external2025-04-01 → 2025-09-30¥2.1bn
Noise Productsreportable segmentsegment profit2025-04-01 → 2025-09-30−¥340m
Sensor Productsreportable segmentrevenue2025-04-01 → 2025-09-30¥141m
Sensor Productsreportable segmentrevenue external2025-04-01 → 2025-09-30¥141m
Sensor Productsreportable segmentsegment profit2025-04-01 → 2025-09-30−¥13m
Surge Productsreportable segmentrevenue2025-04-01 → 2025-09-30¥1.7bn
Surge Productsreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.7bn
Surge Productsreportable segmentsegment profit2025-04-01 → 2025-09-30−¥259m
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥5.0bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥5.0bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30−¥482m
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30−¥504m
Display Productsreportable segmentrevenue2024-04-01 → 2024-09-30¥1.0bn
Display Productsreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.0bn
Display Productsreportable segmentsegment profit2024-04-01 → 2024-09-30¥152m
Noise Productsreportable segmentrevenue2024-04-01 → 2024-09-30¥1.8bn
Noise Productsreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.8bn
Noise Productsreportable segmentsegment profit2024-04-01 → 2024-09-30−¥152m
Sensor Productsreportable segmentrevenue2024-04-01 → 2024-09-30¥114m
Sensor Productsreportable segmentrevenue external2024-04-01 → 2024-09-30¥114m
Sensor Productsreportable segmentsegment profit2024-04-01 → 2024-09-30−¥27m
Surge Productsreportable segmentrevenue2024-04-01 → 2024-09-30¥1.5bn
Surge Productsreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.5bn
Surge Productsreportable segmentsegment profit2024-04-01 → 2024-09-30−¥367m
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¥4.5bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30−¥394m

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

All source rows · 493
ItemContextValueUnit
Place for public inspection cover page (text)FilingDateInstantText · Plus
Edinet codeFilingDateInstantE01928
Fund codeFilingDateInstant-
Security codeFilingDateInstant69260
Filer name in japaneseFilingDateInstant
Original text (Japanese)岡谷電機産業株式会社
Filer name in englishFilingDateInstantOKAYA ELECTRIC INDUSTRIES CO., LTD.
Fund name in japaneseFilingDateInstant-
Fund name in englishFilingDateInstant-
Cabinet office ordinanceFilingDateInstant
Original text (Japanese)企業内容等の開示に関する内閣府令
Document typeFilingDateInstant
Original text (Japanese)第四号の三様式
Accounting standardsFilingDateInstantJapan GAAP
Whether consolidated financial statements are preparedFilingDateInstanttrue
Industry code when consolidated financial statements are prepared in accordance with industry specific regulationsFilingDateInstantCTE
Industry code when financial statements are prepared in accordance with industry specific regulationsFilingDateInstant-
Current fiscal year start dateFilingDateInstant2025-04-01
Current period end dateFilingDateInstant2025-09-30
Type of current periodFilingDateInstantHY
Current fiscal year end dateFilingDateInstant2026-03-31
Previous fiscal year start dateFilingDateInstant2024-04-01
Comparative period end dateFilingDateInstant2024-09-30
Previous fiscal year end dateFilingDateInstant2025-03-31
Next fiscal year start dateFilingDateInstant-
End date of quarterly or semi annual period of next fiscal yearFilingDateInstant-
Amendment flagFilingDateInstantfalse
Identification of document subject to amendmentFilingDateInstant-
Report amendment flagFilingDateInstantfalse
Xbrl amendment flagFilingDateInstantfalse
Business results of group (text)FilingDateInstantText · Plus
Description of business (text)FilingDateInstantText · Plus
Business risks (text)FilingDateInstantText · Plus
Management analysis of financial position operating results and cash flows (text)FilingDateInstantText · Plus
Critical contracts (text)FilingDateInstantText · Plus
Total number of shares (text)FilingDateInstantText · Plus
Issued shares total number of shares etc (text)FilingDateInstantText · Plus
Class issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)普通株式
Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registeredFilingDateInstant_OrdinaryShareMember
Original text (Japanese)東京証券取引所スタンダード市場
Description issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)単元株式数100株
Details of employee share option program (text)FilingDateInstantText · Plus
Other information on share acquisition rights (text)FilingDateInstantText · Plus
Exercises etc of moving strike convertible bonds etc (text)FilingDateInstantText · Plus
Changes in number of issued shares stated capital etc (text)FilingDateInstantText · Plus
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)みずほ信託銀行株式会社退職給付信託 沖電気工業口
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1丁目8番12号
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)明治安田生命保険相互会社
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内2丁目1番1号
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)TPR株式会社
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内1丁目6番2号
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)安田不動産株式会社
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京都千代田区神田錦町2丁目11番地

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
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