Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-13
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 47
MetricValuePeriodScopeSource row
Revenue¥1.28T2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥2.56T2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥1.27T2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥333.9bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥405.7bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥367.3bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥820.5bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥442.9bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥377.0bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥450.3bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥257.8bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥534.0bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥294.1bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥274.4bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥318.2bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥5.36Tat 2025-09-30Cons.Assets
Total assets¥5.64Tat 2025-03-31Cons.Assets
Total assets¥5.64Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥975.3bnat 2025-09-30Cons.Liabilities
Total liabilities¥799.0bnat 2025-03-31Cons.Liabilities
Net assets / equity¥4.38Tat 2025-09-30Cons.Net assets
Net assets / equity¥4.84Tat 2025-03-31Cons.Net assets
Net assets / equity¥4.89Tat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥1.49Tat 2025-09-30Cons.Cash and deposits
Cash and deposits¥1.71Tat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥620.1bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥882.7bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥604.1bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥590.1bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥347.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥881.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥451.9bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥300.7bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥142.6bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥235.2bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥303.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥454.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥230.3bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥136.612025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥269.522024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥147.832024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥136.562025-04-01 → 2025-09-30Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥269.282024-04-01 → 2025-03-31Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥147.682024-04-01 → 2024-09-30Cons.Diluted earnings per share (5-year summary)
Equity ratio78.7%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio82.6%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio83.3%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 · 46
SegmentItemPeriodValue
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥97.0bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥97.0bn
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30−¥1.0bn
Electronics Materialsreportable segmentrevenue2025-04-01 → 2025-09-30¥499.1bn
Electronics Materialsreportable segmentrevenue external2025-04-01 → 2025-09-30¥496.3bn
Electronics Materialsreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥2.8bn
Electronics Materialsreportable segmentsegment profit2025-04-01 → 2025-09-30¥170.7bn
Functional Materialsreportable segmentrevenue2025-04-01 → 2025-09-30¥226.6bn
Functional Materialsreportable segmentrevenue external2025-04-01 → 2025-09-30¥220.6bn
Functional Materialsreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥5.9bn
Functional Materialsreportable segmentsegment profit2025-04-01 → 2025-09-30¥48.2bn
Infrastructure Materialsreportable segmentrevenue2025-04-01 → 2025-09-30¥502.7bn
Infrastructure Materialsreportable segmentrevenue external2025-04-01 → 2025-09-30¥500.4bn
Infrastructure Materialsreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥2.3bn
Infrastructure Materialsreportable segmentsegment profit2025-04-01 → 2025-09-30¥102.4bn
Processing And Specialized Servicesreportable segmentrevenue2025-04-01 → 2025-09-30¥153.2bn
Processing And Specialized Servicesreportable segmentrevenue external2025-04-01 → 2025-09-30¥67.1bn
Processing And Specialized Servicesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥86.0bn
Processing And Specialized Servicesreportable segmentsegment profit2025-04-01 → 2025-09-30¥13.7bn
—segment totalrevenue2025-04-01 → 2025-09-30¥1.38T
—segment totalrevenue external2025-04-01 → 2025-09-30¥1.28T
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥97.0bn
—segment totalsegment profit2025-04-01 → 2025-09-30¥334.9bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥93.0bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥93.0bn
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30−¥2.0bn
Electronics Materialsreportable segmentrevenue2024-04-01 → 2024-09-30¥466.4bn
Electronics Materialsreportable segmentrevenue external2024-04-01 → 2024-09-30¥464.5bn
Electronics Materialsreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥1.9bn
Electronics Materialsreportable segmentsegment profit2024-04-01 → 2024-09-30¥186.8bn
Functional Materialsreportable segmentrevenue2024-04-01 → 2024-09-30¥233.2bn
Functional Materialsreportable segmentrevenue external2024-04-01 → 2024-09-30¥226.0bn
Functional Materialsreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥7.2bn
Functional Materialsreportable segmentsegment profit2024-04-01 → 2024-09-30¥53.8bn
Infrastructure Materialsreportable segmentrevenue2024-04-01 → 2024-09-30¥511.6bn
Infrastructure Materialsreportable segmentrevenue external2024-04-01 → 2024-09-30¥509.4bn
Infrastructure Materialsreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥2.1bn
Infrastructure Materialsreportable segmentsegment profit2024-04-01 → 2024-09-30¥152.2bn
Processing And Specialized Servicesreportable segmentrevenue2024-04-01 → 2024-09-30¥148.2bn
Processing And Specialized Servicesreportable segmentrevenue external2024-04-01 → 2024-09-30¥66.5bn
Processing And Specialized Servicesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥81.7bn
Processing And Specialized Servicesreportable segmentsegment profit2024-04-01 → 2024-09-30¥14.9bn
—segment totalrevenue2024-04-01 → 2024-09-30¥1.36T
—segment totalrevenue external2024-04-01 → 2024-09-30¥1.27T
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥93.0bn
—segment totalsegment profit2024-04-01 → 2024-09-30¥407.7bn

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

All source rows · 482
ItemContextValueUnit
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)信越化学工業株式会社
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京都千代田区丸の内一丁目4番1号
Name of shareholder treasury shares etcInterimInstant_Row2Member
Original text (Japanese)高信産業株式会社
Address of shareholder treasury shares etcInterimInstant_Row2Member
Original text (Japanese)群馬県高崎市問屋町三丁目6番地の5
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 regarding inventories (text)InterimInstantText · Plus
Major components of selling general and administrative expenses (text)InterimDurationText · Plus
Notes regarding gain on step acquisitions (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
Footnotes regarding segment information table (text)Prior1InterimDurationText · Plus
Information about impairment loss of non current assets or goodwill etc for each reportable segment (text)Prior1InterimDurationText · Plus
Footnotes regarding segment information table (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
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
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