Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-07
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥163.8bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥343.1bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥165.5bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥19.2bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥14.0bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥18.9bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥29.6bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥13.6bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥17.8bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥16.8bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥12.1bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥23.4bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥11.6bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥12.1bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥11.4bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥536.7bnat 2025-09-30Cons.Assets
Total assets¥476.2bnat 2025-03-31Cons.Assets
Total assets¥462.8bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥251.0bnat 2025-09-30Cons.Liabilities
Total liabilities¥202.3bnat 2025-03-31Cons.Liabilities
Net assets / equity¥285.7bnat 2025-09-30Cons.Net assets
Net assets / equity¥273.9bnat 2025-03-31Cons.Net assets
Net assets / equity¥266.4bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥128.2bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥75.5bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥127.3bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥74.9bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥64.8bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥47.9bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥22.4bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥52.4bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥26.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥18.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥23.5bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥11.2bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow¥47.8bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥1.1bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥2.5bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥168.812025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥325.082024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥161.812024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio50.6%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio54.9%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio54.9%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 · 62
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥20.1bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥15.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥4.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-04-01 → 2025-09-30¥1.4bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥5.7bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥5.7bn
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30−¥3.9bn
Cementreportable segmentrevenue2025-04-01 → 2025-09-30¥32.4bn
Cementreportable segmentrevenue external2025-04-01 → 2025-09-30¥32.1bn
Cementreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥309m
Cementreportable segmentsegment profit2025-04-01 → 2025-09-30¥4.8bn
Chemicalsreportable segmentrevenue2025-04-01 → 2025-09-30¥52.3bn
Chemicalsreportable segmentrevenue external2025-04-01 → 2025-09-30¥52.3bn
Chemicalsreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥55m
Chemicalsreportable segmentsegment profit2025-04-01 → 2025-09-30¥5.6bn
Eco Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥2.7bn
Eco Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥2.6bn
Eco Businessreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥59m
Eco Businessreportable segmentsegment profit2025-04-01 → 2025-09-30¥256m
Electronic And Advanced Materialsreportable segmentrevenue2025-04-01 → 2025-09-30¥42.6bn
Electronic And Advanced Materialsreportable segmentrevenue external2025-04-01 → 2025-09-30¥42.1bn
Electronic And Advanced Materialsreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥482m
Electronic And Advanced Materialsreportable segmentsegment profit2025-04-01 → 2025-09-30¥7.0bn
Life Sciencereportable segmentrevenue2025-04-01 → 2025-09-30¥19.3bn
Life Sciencereportable segmentrevenue external2025-04-01 → 2025-09-30¥19.3bn
Life Sciencereportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥7m
Life Sciencereportable segmentsegment profit2025-04-01 → 2025-09-30¥4.0bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥169.5bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥163.8bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥5.7bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥23.1bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥19.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥14.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥4.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-04-01 → 2024-09-30¥1.9bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥5.0bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥5.0bn
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30−¥3.4bn
Cementreportable segmentrevenue2024-04-01 → 2024-09-30¥32.3bn
Cementreportable segmentrevenue external2024-04-01 → 2024-09-30¥32.2bn
Cementreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥76m
Cementreportable segmentsegment profit2024-04-01 → 2024-09-30¥3.7bn
Chemicalsreportable segmentrevenue2024-04-01 → 2024-09-30¥57.3bn
Chemicalsreportable segmentrevenue external2024-04-01 → 2024-09-30¥57.2bn
Chemicalsreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥71m
Chemicalsreportable segmentsegment profit2024-04-01 → 2024-09-30¥5.3bn
Eco Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥1.9bn
Eco Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.8bn
Eco Businessreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥99m
Eco Businessreportable segmentsegment profit2024-04-01 → 2024-09-30−¥220m
Electronic And Advanced Materialsreportable segmentrevenue2024-04-01 → 2024-09-30¥39.8bn
Electronic And Advanced Materialsreportable segmentrevenue external2024-04-01 → 2024-09-30¥39.3bn
Electronic And Advanced Materialsreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥430m
Electronic And Advanced Materialsreportable segmentsegment profit2024-04-01 → 2024-09-30¥2.9bn
Life Sciencereportable segmentrevenue2024-04-01 → 2024-09-30¥20.0bn
Life Sciencereportable segmentrevenue external2024-04-01 → 2024-09-30¥20.0bn
Life Sciencereportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥14m
Life Sciencereportable segmentsegment profit2024-04-01 → 2024-09-30¥3.9bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥170.6bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥165.5bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥5.0bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30¥17.4bn

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

All source rows · 698
ItemContextValueUnit
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(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(信託口)
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)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都中央区晴海一丁目8番12号
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)日本生命保険相互会社(常任代理人 日本マスタートラスト信託銀行株式会社)
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内一丁目6番6号 日本生命証券管理部内(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_No4MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No4MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No5MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No5MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)株式会社山口銀行(常任代理人 日本マスタートラスト信託銀行株式会社)
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)山口県下関市竹崎町四丁目2番36号(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_No7MajorShareholdersMember
Original text (Japanese)明治安田生命保険相互会社(常任代理人 株式会社日本カストディ銀行)
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内二丁目1番1号(東京都中央区晴海一丁目8番12号)
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)トクヤマ従業員持株会
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)山口県周南市御影町1番1号
Name major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)JP MORGAN CHASE BANK 385781(常任代理人 株式会社みずほ銀行決済営業部)
Address major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-

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