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¥31.8bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥85.4bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥26.2bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income−¥1.5bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income−¥1.4bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income−¥1.1bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥6.6bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income−¥1.1bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax−¥818m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax−¥971m2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)−¥611m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥4.8bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)−¥597m2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income−¥611m2025-04-01 → 2025-09-30Cons.Profit loss
Net income−¥597m2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥123.3bnat 2025-09-30Cons.Assets
Total assets¥126.0bnat 2025-03-31Cons.Assets
Total assets¥126.1bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥73.0bnat 2025-09-30Cons.Liabilities
Total liabilities¥74.3bnat 2025-03-31Cons.Liabilities
Net assets / equity¥50.3bnat 2025-09-30Cons.Net assets
Net assets / equity¥51.7bnat 2025-03-31Cons.Net assets
Net assets / equity¥46.6bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥6.5bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥8.2bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥5.5bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥8.1bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥5.0bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥9.2bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow−¥4.0bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥3.7bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow−¥2.8bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥1.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥317m2024-04-01 → 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¥3.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥4.5bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥12m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥-9.832025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥76.282024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-9.522024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio40.8%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio41.0%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio37.0%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 · 28
SegmentItemPeriodValue
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥633m
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥633m
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30−¥2.5bn
Power Conversion Systems Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥6.5bn
Power Conversion Systems Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥5.9bn
Power Conversion Systems Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥633m
Power Conversion Systems Businessreportable segmentsegment profit2025-04-01 → 2025-09-30−¥380m
Signal Systemreportable segmentrevenue2025-04-01 → 2025-09-30¥25.9bn
Signal Systemreportable segmentrevenue external2025-04-01 → 2025-09-30¥25.9bn
Signal Systemreportable segmentsegment profit2025-04-01 → 2025-09-30¥1.4bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥32.4bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥31.8bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥633m
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥1.0bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥382m
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥382m
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30−¥2.3bn
Power Conversion Systems Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥6.2bn
Power Conversion Systems Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥5.8bn
Power Conversion Systems Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥382m
Power Conversion Systems Businessreportable segmentsegment profit2024-04-01 → 2024-09-30¥360m
Signal Systemreportable segmentrevenue2024-04-01 → 2024-09-30¥20.4bn
Signal Systemreportable segmentrevenue external2024-04-01 → 2024-09-30¥20.4bn
Signal Systemreportable segmentsegment profit2024-04-01 → 2024-09-30¥517m
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥26.6bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥26.2bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥382m
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30¥878m

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

All source rows · 511
ItemContextValueUnit
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)日本生命保険相互会社
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内1丁目6番6号 
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)日本マスタートラスト信託銀行株式会社 信託口
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都港区赤坂1丁目8番1号
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)京三製作従業員持株会
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)横浜市鶴見区平安町2丁目29番1号
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)京王電鉄株式会社
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京都新宿区新宿3丁目1番24号
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)株式会社横浜銀行
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)横浜市西区みなとみらい3丁目1番1号
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)東海旅客鉄道株式会社
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)名古屋市中村区名駅1丁目1番4号
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行信託口
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1丁目8番12号
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)明治安田生命保険相互会社
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内2丁目1番1号
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese) DFA INTL SMALL CAP VALUE PORTFOLIO (常任代理人 シティバンク、エヌ・エイ東京支店)
Address major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)京三みづほ会
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)横浜市鶴見区平安町2丁目29番1号
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesReciprocalHoldingSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember
Original text (Japanese)一単元(100株)未満の株式
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)株式会社京三製作所
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)横浜市鶴見区平安町二丁目29番地の1
Name of shareholder treasury shares etcInterimInstant_Row2Member
Original text (Japanese)アクテス京三株式会社
Address of shareholder treasury shares etcInterimInstant_Row2Member
Original text (Japanese)神奈川県厚木市妻田北三丁目15番38号
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 uncertainties of entitys ability to continue as going concern semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes accounting treatments specific to semi annual financial statements type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes when there is significant seasonal fluctuation in sales or operating expenses (text)InterimDurationText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)InterimDurationText · 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 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