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¥21.0bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥48.1bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥24.6bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income−¥1.1bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income−¥474m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income−¥860m2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income−¥206m2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income−¥357m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax−¥612m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax−¥1.0bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)−¥710m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)−¥281m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)−¥1.3bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income−¥738m2025-04-01 → 2025-09-30Cons.Profit loss
Net income−¥1.2bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥102.9bnat 2025-09-30Cons.Assets
Total assets¥101.1bnat 2025-03-31Cons.Assets
Total assets¥98.6bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥13.0bnat 2025-09-30Cons.Liabilities
Total liabilities¥12.8bnat 2025-03-31Cons.Liabilities
Net assets / equity¥89.9bnat 2025-09-30Cons.Net assets
Net assets / equity¥88.3bnat 2025-03-31Cons.Net assets
Net assets / equity¥86.5bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥32.7bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥31.3bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥24.3bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥23.6bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥21.5bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥21.3bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥991m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥4.6bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥2.9bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥63m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥1.4bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥1.9bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥656m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥1.2bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥482m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥-16.752025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-6.632024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-30.022024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio76.3%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio76.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio75.6%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 · 14
SegmentItemPeriodValue
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥14m
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥14m
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30¥0
—segment totalrevenue2025-04-01 → 2025-09-30¥21.0bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥21.0bn
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥14m
—segment totalsegment profit2025-04-01 → 2025-09-30−¥1.1bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥7m
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥7m
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30¥0
—segment totalrevenue2024-04-01 → 2024-09-30¥24.6bn
—segment totalrevenue external2024-04-01 → 2024-09-30¥24.6bn
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥7m
—segment totalsegment profit2024-04-01 → 2024-09-30−¥474m

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

All source rows · 527
ItemContextValueUnit
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)東京証券取引所プライム市場
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)日本マスタートラスト信託銀行株式会社
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都港区赤坂一丁目8番1号 赤坂インターシティAIR
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)公益財団法人双葉電子記念財団
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)千葉県茂原市千代田町一丁目4番3号
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)吉田 嘉明
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)千葉県浦安市
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)川崎 まり
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)千葉市美浜区
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)株式会社千葉銀行
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)千葉市中央区千葉港1番2号
Name major shareholdersInterimInstant_No6MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No6MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)細矢 晴江
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)千葉県茂原市
Name major shareholdersInterimInstant_No8MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No8MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)桜田 恵美子
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)千葉県長生郡
Name major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
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_SharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_SharesLessThanOneUnitMember
Original text (Japanese)1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)双葉電子工業株式会社
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)千葉県茂原市大芝629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