Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-12
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥11.8bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥29.0bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥10.8bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥227m2025-04-01 → 2025-09-30Cons.Operating income
Operating income−¥17m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥203m2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥1.4bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income−¥23m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥195m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax−¥23m2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥208m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥1.0bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)−¥60m2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥176m2025-04-01 → 2025-09-30Cons.Profit loss
Net income−¥33m2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥24.0bnat 2025-09-30Cons.Assets
Total assets¥23.6bnat 2025-03-31Cons.Assets
Total assets¥21.9bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥14.8bnat 2025-09-30Cons.Liabilities
Total liabilities¥14.8bnat 2025-03-31Cons.Liabilities
Net assets / equity¥9.3bnat 2025-09-30Cons.Net assets
Net assets / equity¥8.9bnat 2025-03-31Cons.Net assets
Net assets / equity¥7.9bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥3.7bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥3.9bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥3.7bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥3.9bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥4.1bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥2.9bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥750m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥2.8bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.6bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥727m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥493m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥367m2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥214m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥1.3bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥43m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥157.342025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥800.832024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-45.872024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio31.0%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio29.8%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio28.6%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
Information And Communication Apparatus Production Sale Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥7.3bn
Information And Communication Apparatus Production Sale Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥7.2bn
Information And Communication Apparatus Production Sale Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥58m
Information And Communication Apparatus Production Sale Businessreportable segmentsegment profit2025-04-01 → 2025-09-30¥389m
Network Construction Maintenance Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥4.8bn
Network Construction Maintenance Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥4.6bn
Network Construction Maintenance Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥188m
Network Construction Maintenance Businessreportable segmentsegment profit2025-04-01 → 2025-09-30−¥166m
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥12.1bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥11.8bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥246m
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥223m
Information And Communication Apparatus Production Sale Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥6.1bn
Information And Communication Apparatus Production Sale Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥6.1bn
Information And Communication Apparatus Production Sale Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥52m
Information And Communication Apparatus Production Sale Businessreportable segmentsegment profit2024-04-01 → 2024-09-30−¥14m
Network Construction Maintenance Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥4.9bn
Network Construction Maintenance Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥4.7bn
Network Construction Maintenance Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥161m
Network Construction Maintenance Businessreportable segmentsegment profit2024-04-01 → 2024-09-30−¥12m
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥11.0bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥10.8bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥213m
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30−¥26m

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

All source rows · 479
ItemContextValueUnit
Description issued shares voting rightsInterimInstant_SharesLessThanOneUnitMember-
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)大井電気株式会社
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)神奈川県横浜市港北区菊名7丁目3-16
Information about officers (text)FilingDateInstantText · Plus
Regulations in accordance with which consolidated financial statements have been prepared financial informationInterimDurationText · Plus
Type1 semi annual consolidated financial statements financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Type1 semi annual consolidated balance sheet (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of comprehensive income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of cash flows (text)InterimDurationText · Plus
Notes accounting treatments specific to semi annual financial statements type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes regarding guarantee obligations (text)InterimInstantText · Plus
Notes when there is significant seasonal fluctuation in sales or operating expenses (text)InterimDurationText · Plus
Major components of selling general and administrative expenses (text)InterimDurationText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)InterimDurationText · Plus
Notes regarding dividend (text)Prior1InterimDurationText · Plus
Notes regarding dividend (text)InterimDurationText · Plus
Notes segment information etc type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Description of nature of differences between profit loss of reportable segments total and semi annual financial statements (text)Prior1InterimDurationText · Plus
Information about impairment loss of non current assets or goodwill etc for each reportable segment (text)Prior1InterimDurationText · Plus
Description of nature of differences between profit loss of reportable segments total and semi annual financial statements (text)InterimDurationText · Plus
Information about impairment loss of non current assets or goodwill etc for each reportable segment (text)InterimDurationText · Plus
Notes revenue recognition semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes per share information semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes significant events after reporting period semi annual consolidated financial statements (text)InterimDurationText · Plus
Other information consolidated financial statements etc (text)InterimDurationText · Plus
Information about company which provides guarantee to reporting company (text)FilingDateInstantText · Plus

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