Half-year report · HY
5301.TEDINET S100YV71
Period2026-01-01 → 2026-06-30
Filed2026-08-07
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 45
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥173.7bn | 2026-01-01 → 2026-06-30 | Cons. | Net sales |
| Revenue | ¥323.0bn | 2025-01-01 → 2025-12-31 | Cons. | Net sales (5-year summary) |
| Revenue | ¥158.1bn | 2025-01-01 → 2025-06-30 | Cons. | Net sales |
| Operating income | ¥15.1bn | 2026-01-01 → 2026-06-30 | Cons. | Operating income |
| Operating income | ¥13.7bn | 2025-01-01 → 2025-06-30 | Cons. | Operating income |
| Ordinary income | ¥14.8bn | 2026-01-01 → 2026-06-30 | Cons. | Ordinary income |
| Ordinary income | ¥26.3bn | 2025-01-01 → 2025-12-31 | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥13.6bn | 2025-01-01 → 2025-06-30 | Cons. | Ordinary income |
| Profit before tax | ¥15.7bn | 2026-01-01 → 2026-06-30 | Cons. | Income before income taxes |
| Profit before tax | ¥14.6bn | 2025-01-01 → 2025-06-30 | Cons. | Income before income taxes |
| Net income (owners) | ¥7.2bn | 2026-01-01 → 2026-06-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥20.1bn | 2025-01-01 → 2025-12-31 | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥8.4bn | 2025-01-01 → 2025-06-30 | Cons. | Profit loss attributable to owners of parent |
| Net income | ¥9.5bn | 2026-01-01 → 2026-06-30 | Cons. | Profit loss |
| Net income | ¥10.0bn | 2025-01-01 → 2025-06-30 | Cons. | Profit loss |
| Total assets | ¥683.3bn | at 2026-06-30 | Cons. | Assets |
| Total assets | ¥664.0bn | at 2025-12-31 | Cons. | Assets |
| Total assets | ¥609.4bn | at 2025-06-30 | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥327.1bn | at 2026-06-30 | Cons. | Liabilities |
| Total liabilities | ¥311.2bn | at 2025-12-31 | Cons. | Liabilities |
| Net assets / equity | ¥356.2bn | at 2026-06-30 | Cons. | Net assets |
| Net assets / equity | ¥352.8bn | at 2025-12-31 | Cons. | Net assets |
| Net assets / equity | ¥308.1bn | at 2025-06-30 | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥86.4bn | at 2026-06-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥90.2bn | at 2025-12-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥59.0bn | at 2026-06-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥64.3bn | at 2025-12-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥50.8bn | at 2025-06-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥65.1bn | at 2024-12-31v | Cons. | Cash and cash equivalents |
| Operating cash flow | ¥19.1bn | 2026-01-01 → 2026-06-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥55.9bn | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥19.9bn | 2025-01-01 → 2025-06-30 | Cons. | Net cash provided by used in operating activities |
| Investing cash flow | −¥15.4bn | 2026-01-01 → 2026-06-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥51.1bn | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥23.5bn | 2025-01-01 → 2025-06-30 | Cons. | Net cash provided by used in investment activities |
| Financing cash flow | −¥10.1bn | 2026-01-01 → 2026-06-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥7.7bn | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥8.0bn | 2025-01-01 → 2025-06-30 | Cons. | Net cash provided by used in financing activities |
| EPS (basic) | ¥34.4 | 2026-01-01 → 2026-06-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥94.05 | 2025-01-01 → 2025-12-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥39.42 | 2025-01-01 → 2025-06-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥34.29 | 2026-01-01 → 2026-06-30 | Cons. | Diluted earnings per share (5-year summary) |
| Equity ratio | 47.0% | at 2026-06-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 47.9% | at 2025-12-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 45.1% | at 2025-06-30 | Cons. | 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 · 68
| Segment | Item | Period | Value |
|---|---|---|---|
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2026-01-01 → 2026-06-30 | ¥4.3bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2026-01-01 → 2026-06-30 | ¥4.3bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2026-01-01 → 2026-06-30 | ¥64m |
| Reconciling Itemsreconciling | revenue | 2026-01-01 → 2026-06-30 | −¥353m |
| Reconciling Itemsreconciling | revenue intersegment | 2026-01-01 → 2026-06-30 | −¥353m |
| Reconciling Itemsreconciling | segment profit | 2026-01-01 → 2026-06-30 | −¥944m |
| Carbon Blackreportable segment | revenue | 2026-01-01 → 2026-06-30 | ¥83.5bn |
| Carbon Blackreportable segment | revenue external | 2026-01-01 → 2026-06-30 | ¥83.5bn |
| Carbon Blackreportable segment | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥8m |
| Carbon Blackreportable segment | segment profit | 2026-01-01 → 2026-06-30 | ¥7.2bn |
| Fine Carbonreportable segment | revenue | 2026-01-01 → 2026-06-30 | ¥33.1bn |
| Fine Carbonreportable segment | revenue external | 2026-01-01 → 2026-06-30 | ¥33.0bn |
| Fine Carbonreportable segment | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥53m |
| Fine Carbonreportable segment | segment profit | 2026-01-01 → 2026-06-30 | ¥4.7bn |
| Graphite Electrodereportable segment | revenue | 2026-01-01 → 2026-06-30 | ¥16.9bn |
| Graphite Electrodereportable segment | revenue external | 2026-01-01 → 2026-06-30 | ¥16.9bn |
| Graphite Electrodereportable segment | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥23m |
| Graphite Electrodereportable segment | segment profit | 2026-01-01 → 2026-06-30 | ¥792m |
| Industrial Furnace And Related Productsreportable segment | revenue | 2026-01-01 → 2026-06-30 | ¥5.5bn |
| Industrial Furnace And Related Productsreportable segment | revenue external | 2026-01-01 → 2026-06-30 | ¥5.4bn |
| Industrial Furnace And Related Productsreportable segment | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥74m |
| Industrial Furnace And Related Productsreportable segment | segment profit | 2026-01-01 → 2026-06-30 | ¥1.2bn |
| Smelting And Liningreportable segment | revenue | 2026-01-01 → 2026-06-30 | ¥30.8bn |
| Smelting And Liningreportable segment | revenue external | 2026-01-01 → 2026-06-30 | ¥30.6bn |
| Smelting And Liningreportable segment | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥192m |
| Smelting And Liningreportable segment | segment profit | 2026-01-01 → 2026-06-30 | ¥2.0bn |
| —segment total | revenue | 2026-01-01 → 2026-06-30 | ¥169.8bn |
| —segment total | revenue external | 2026-01-01 → 2026-06-30 | ¥169.4bn |
| —segment total | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥353m |
| —segment total | segment profit | 2026-01-01 → 2026-06-30 | ¥16.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2026-01-01 → 2026-06-30 | ¥174.1bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2026-01-01 → 2026-06-30 | ¥173.7bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥353m |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2026-01-01 → 2026-06-30 | ¥16.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2025-01-01 → 2025-06-30 | ¥5.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2025-01-01 → 2025-06-30 | ¥5.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2025-01-01 → 2025-06-30 | ¥286m |
| Reconciling Itemsreconciling | revenue | 2025-01-01 → 2025-06-30 | −¥390m |
| Reconciling Itemsreconciling | revenue intersegment | 2025-01-01 → 2025-06-30 | −¥390m |
| Reconciling Itemsreconciling | segment profit | 2025-01-01 → 2025-06-30 | −¥859m |
| Carbon Blackreportable segment | revenue | 2025-01-01 → 2025-06-30 | ¥75.6bn |
| Carbon Blackreportable segment | revenue external | 2025-01-01 → 2025-06-30 | ¥75.6bn |
| Carbon Blackreportable segment | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥12m |
| Carbon Blackreportable segment | segment profit | 2025-01-01 → 2025-06-30 | ¥8.1bn |
| Fine Carbonreportable segment | revenue | 2025-01-01 → 2025-06-30 | ¥27.8bn |
| Fine Carbonreportable segment | revenue external | 2025-01-01 → 2025-06-30 | ¥27.7bn |
| Fine Carbonreportable segment | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥122m |
| Fine Carbonreportable segment | segment profit | 2025-01-01 → 2025-06-30 | ¥4.4bn |
| Graphite Electrodereportable segment | revenue | 2025-01-01 → 2025-06-30 | ¥18.5bn |
| Graphite Electrodereportable segment | revenue external | 2025-01-01 → 2025-06-30 | ¥18.5bn |
| Graphite Electrodereportable segment | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥77m |
| Graphite Electrodereportable segment | segment profit | 2025-01-01 → 2025-06-30 | ¥494m |
| Industrial Furnace And Related Productsreportable segment | revenue | 2025-01-01 → 2025-06-30 | ¥4.2bn |
| Industrial Furnace And Related Productsreportable segment | revenue external | 2025-01-01 → 2025-06-30 | ¥4.2bn |
| Industrial Furnace And Related Productsreportable segment | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥28m |
| Industrial Furnace And Related Productsreportable segment | segment profit | 2025-01-01 → 2025-06-30 | ¥885m |
| Smelting And Liningreportable segment | revenue | 2025-01-01 → 2025-06-30 | ¥27.3bn |
| Smelting And Liningreportable segment | revenue external | 2025-01-01 → 2025-06-30 | ¥27.2bn |
| Smelting And Liningreportable segment | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥149m |
| Smelting And Liningreportable segment | segment profit | 2025-01-01 → 2025-06-30 | ¥304m |
| —segment total | revenue | 2025-01-01 → 2025-06-30 | ¥153.5bn |
| —segment total | revenue external | 2025-01-01 → 2025-06-30 | ¥153.1bn |
| —segment total | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥390m |
| —segment total | segment profit | 2025-01-01 → 2025-06-30 | ¥14.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-01-01 → 2025-06-30 | ¥158.5bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-01-01 → 2025-06-30 | ¥158.1bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥390m |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-01-01 → 2025-06-30 | ¥14.5bn |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 593
| Item | Context | Value | Unit |
|---|---|---|---|
| Filer name in japanese | FilingDateInstant | Original text (Japanese)東海カーボン株式会社 | |
| Filer name in english | FilingDateInstant | TOKAI CARBON CO.,LTD. | |
| Fund name in japanese | FilingDateInstant | － | |
| Fund name in english | FilingDateInstant | － | |
| Cabinet office ordinance | FilingDateInstant | Original text (Japanese)企業内容等の開示に関する内閣府令 | |
| Document type | FilingDateInstant | Original text (Japanese)第四号の三様式 | |
| Accounting standards | FilingDateInstant | Japan GAAP | |
| Whether consolidated financial statements are prepared | FilingDateInstant | true | |
| Industry code when consolidated financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | cte | |
| Industry code when financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | － | |
| Current fiscal year start date | FilingDateInstant | 2026-01-01 | |
| Current period end date | FilingDateInstant | 2026-06-30 | |
| Type of current period | FilingDateInstant | HY | |
| Current fiscal year end date | FilingDateInstant | 2026-12-31 | |
| Previous fiscal year start date | FilingDateInstant | 2025-01-01 | |
| Comparative period end date | FilingDateInstant | 2025-06-30 | |
| Previous fiscal year end date | FilingDateInstant | 2025-12-31 | |
| Next fiscal year start date | FilingDateInstant | － | |
| End date of quarterly or semi annual period of next fiscal year | FilingDateInstant | － | |
| Amendment flag | FilingDateInstant | false | |
| Identification of document subject to amendment | FilingDateInstant | － | |
| Report amendment flag | FilingDateInstant | false | |
| Xbrl amendment flag | FilingDateInstant | false | |
| Business results of group (text) | FilingDateInstant | Text · Plus | |
| Description of business (text) | FilingDateInstant | Text · Plus | |
| Business risks (text) | FilingDateInstant | Text · Plus | |
| Management analysis of financial position operating results and cash flows (text) | FilingDateInstant | Text · Plus | |
| Critical contracts (text) | FilingDateInstant | Text · Plus | |
| Total number of shares (text) | FilingDateInstant | Text · Plus | |
| Issued shares total number of shares etc (text) | FilingDateInstant | Text · Plus | |
| Class issued shares total number of shares etc | FilingDateInstant_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 registered | FilingDateInstant_OrdinaryShareMember | Original text (Japanese)東京証券取引所プライム市場 | |
| Description issued shares total number of shares etc | FilingDateInstant_OrdinaryShareMember | Original text (Japanese)単元株式数は100株 | |
| Details of employee share option program (text) | FilingDateInstant | Text · Plus | |
| Other information on share acquisition rights (text) | FilingDateInstant | Text · Plus | |
| Exercises etc of moving strike convertible bonds etc (text) | FilingDateInstant | Text · Plus | |
| Changes in number of issued shares stated capital etc (text) | FilingDateInstant | Text · Plus | |
| Major shareholders (text) | FilingDateInstant | Text · Plus | |
| Name major shareholders | InterimInstant_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 shareholders | InterimInstant_No1MajorShareholdersMember | Original text (Japanese)東京都港区赤坂１丁目８番１号 赤坂インターシティAIR | |
| Name major shareholders | InterimInstant_No2MajorShareholdersMember | Original text (Japanese)株式会社日本カストディ銀行（信託口） | |
| Address major shareholders | InterimInstant_No2MajorShareholdersMember | Original text (Japanese)東京都中央区晴海１丁目８－12 | |
| Name major shareholders | InterimInstant_No3MajorShareholdersMember | Text · Plus | |
| Address major shareholders | InterimInstant_No3MajorShareholdersMember | Text · Plus | |
| Name major shareholders | InterimInstant_No4MajorShareholdersMember | Original text (Japanese)株式会社三菱UFJ銀行 | |
| Address major shareholders | InterimInstant_No4MajorShareholdersMember | Original text (Japanese)東京都千代田区丸の内１丁目４番５号 | |
| Name major shareholders | InterimInstant_No5MajorShareholdersMember | Original text (Japanese)三菱UFJ信託銀行株式会社（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 shareholders | InterimInstant_No5MajorShareholdersMember | Original text (Japanese)東京都千代田区丸の内１丁目４番５号（東京都港区赤坂１丁目８番１号 赤坂インターシティAIR） | |
| Name major shareholders | InterimInstant_No6MajorShareholdersMember | Original text (Japanese)野村信託銀行株式会社(投信口) | |
| Address major shareholders | InterimInstant_No6MajorShareholdersMember | Original text (Japanese)東京都千代田区大手町２丁目２-２ |
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 identity | pass |
| balance sheet identity | pass |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |