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¥5.6bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥10.9bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥5.4bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥90m2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥31m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥86m2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥155m2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥51m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥85m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥51m2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥56m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥216m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥41m2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥56m2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥39m2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥12.8bnat 2025-09-30Cons.Assets
Total assets¥12.7bnat 2025-03-31Cons.Assets
Total assets¥12.7bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥6.1bnat 2025-09-30Cons.Liabilities
Total liabilities¥6.1bnat 2025-03-31Cons.Liabilities
Net assets / equity¥6.6bnat 2025-09-30Cons.Net assets
Net assets / equity¥6.7bnat 2025-03-31Cons.Net assets
Net assets / equity¥6.6bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥2.2bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥2.0bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥2.2bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥2.0bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥1.8bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥1.7bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥471m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥155m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥200m2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥163m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥56m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥117m2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥113m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow¥277m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥73m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥16.372025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥62.612024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥11.92024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio51.9%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio52.4%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio52.1%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 · 30
SegmentItemPeriodValue
Electric Wirereportable segmentrevenue2025-04-01 → 2025-09-30¥3.9bn
Electric Wirereportable segmentrevenue external2025-04-01 → 2025-09-30¥3.9bn
Electric Wirereportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥2m
Electric Wirereportable segmentsegment profit2025-04-01 → 2025-09-30¥139m
Heating Wirereportable segmentrevenue2025-04-01 → 2025-09-30¥409m
Heating Wirereportable segmentrevenue external2025-04-01 → 2025-09-30¥409m
Heating Wirereportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥251,000
Heating Wirereportable segmentsegment profit2025-04-01 → 2025-09-30−¥10m
Polymatecreportable segmentrevenue2025-04-01 → 2025-09-30¥1.3bn
Polymatecreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.3bn
Polymatecreportable segmentsegment profit2025-04-01 → 2025-09-30−¥39m
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥5.6bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥5.6bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥2m
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥90m
Electric Wirereportable segmentrevenue2024-04-01 → 2024-09-30¥3.8bn
Electric Wirereportable segmentrevenue external2024-04-01 → 2024-09-30¥3.8bn
Electric Wirereportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥4m
Electric Wirereportable segmentsegment profit2024-04-01 → 2024-09-30¥129m
Heating Wirereportable segmentrevenue2024-04-01 → 2024-09-30¥424m
Heating Wirereportable segmentrevenue external2024-04-01 → 2024-09-30¥424m
Heating Wirereportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥60,000
Heating Wirereportable segmentsegment profit2024-04-01 → 2024-09-30¥2m
Polymatecreportable segmentrevenue2024-04-01 → 2024-09-30¥1.1bn
Polymatecreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.1bn
Polymatecreportable segmentsegment profit2024-04-01 → 2024-09-30−¥99m
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥5.4bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥5.4bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥4m
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30¥31m

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

All source rows · 464
ItemContextValueUnit
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)スイス・プランツ有限責任事業組合
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都中央区銀座7-5-4
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)ミツワ樹脂工業株式会社
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)埼玉県川口市本蓮1-23-3
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)日本証券金融株式会社
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都中央区日本橋茅場町1-2-10
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)楽天証券株式会社
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京都港区南青山2-6-21
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)有限会社杉山製作所
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)東京都足立区千住1-4-1
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)有限会社ツカモト
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)大阪市中央区北久宝寺町3-6-1
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)本多 敏行
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都中央区
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)上田 真由美
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)神戸市北区
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)西崎 ひとみ(常任代理人 塚本 一男)
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)アメリカ合衆国 カリフォルニア州(神戸市北区)
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)有限責任事業組合グランドキャピタル
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)東京都港区北青山1-3-1
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-
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)株式会社三ッ星
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)大阪市中央区本町一丁目4番8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 voluntary changes in accounting policies 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

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