Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-04
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥29.8bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥63.2bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥32.7bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥553m2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥785m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥445m2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥1.3bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥631m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥256m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥491m2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥121m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥536m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥352m2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥126m2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥356m2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥46.7bnat 2025-09-30Cons.Assets
Total assets¥46.3bnat 2025-03-31Cons.Assets
Total assets¥47.0bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥29.7bnat 2025-09-30Cons.Liabilities
Total liabilities¥29.9bnat 2025-03-31Cons.Liabilities
Net assets / equity¥17.0bnat 2025-09-30Cons.Net assets
Net assets / equity¥16.4bnat 2025-03-31Cons.Net assets
Net assets / equity¥15.7bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥4.5bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥4.6bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥4.5bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥4.6bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥3.3bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥3.7bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥362m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥3.8bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥678m2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥1.2bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥2.8bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥1.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow¥582m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow¥24m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥305m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥3.522025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥15.552024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥10.222024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio36.1%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio35.2%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio33.3%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 · 18
SegmentItemPeriodValue
Batteryreportable segmentrevenue2025-04-01 → 2025-09-30¥23.8bn
Batteryreportable segmentrevenue external2025-04-01 → 2025-09-30¥23.8bn
Batteryreportable segmentsegment profit2025-04-01 → 2025-09-30¥576m
Electronicsreportable segmentrevenue2025-04-01 → 2025-09-30¥6.0bn
Electronicsreportable segmentrevenue external2025-04-01 → 2025-09-30¥6.0bn
Electronicsreportable segmentsegment profit2025-04-01 → 2025-09-30−¥22m
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥29.8bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥29.8bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥553m
Batteryreportable segmentrevenue2024-04-01 → 2024-09-30¥25.2bn
Batteryreportable segmentrevenue external2024-04-01 → 2024-09-30¥25.2bn
Batteryreportable segmentsegment profit2024-04-01 → 2024-09-30¥646m
Electronicsreportable segmentrevenue2024-04-01 → 2024-09-30¥7.4bn
Electronicsreportable segmentrevenue external2024-04-01 → 2024-09-30¥7.4bn
Electronicsreportable segmentsegment profit2024-04-01 → 2024-09-30¥139m
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥32.7bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥32.7bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30¥785m

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

All source rows · 495
ItemContextValueUnit
Filer name in japaneseFilingDateInstant
Original text (Japanese)FDK株式会社
Filer name in englishFilingDateInstantFDK CORPORATION
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)単元株式数は100株であります。
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)SILITECH TECHNOLOGY CORPORATION(常任代理人 釜屋電機株式会社)
Address major shareholdersInterimInstant_No1MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)富士通株式会社
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)神奈川県川崎市中原区上小田中4丁目1番1号
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)FDK取引先持株会
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都港区港南1丁目6-41
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)BARCLAYS CAPITAL SECURITIES LIMITED(常任代理人 バークレイズ証券株式会社)
Address major shareholdersInterimInstant_No4MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)株式会社SBI証券
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)東京都港区六本木1丁目6番1号
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)田中 隆士
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)福井県坂井市

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