Half-year report · HY
6297.TEDINET S100X04R
Period2025-04-01 → 2025-09-30
Filed2025-11-10
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥4.8bn | 2025-04-01 → 2025-09-30 | Cons. | Net sales |
| Revenue | ¥10.6bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales (5-year summary) |
| Revenue | ¥4.4bn | 2024-04-01 → 2024-09-30 | Cons. | Net sales |
| Operating income | ¥80m | 2025-04-01 → 2025-09-30 | Cons. | Operating income |
| Operating income | ¥119m | 2024-04-01 → 2024-09-30 | Cons. | Operating income |
| Ordinary income | ¥23m | 2025-04-01 → 2025-09-30 | Cons. | Ordinary income |
| Ordinary income | ¥582m | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥92m | 2024-04-01 → 2024-09-30 | Cons. | Ordinary income |
| Profit before tax | −¥71m | 2025-04-01 → 2025-09-30 | Cons. | Income before income taxes |
| Profit before tax | ¥91m | 2024-04-01 → 2024-09-30 | Cons. | Income before income taxes |
| Net income (owners) | −¥75m | 2025-04-01 → 2025-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥456m | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥54m | 2024-04-01 → 2024-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income | −¥75m | 2025-04-01 → 2025-09-30 | Cons. | Profit loss |
| Net income | ¥54m | 2024-04-01 → 2024-09-30 | Cons. | Profit loss |
| Total assets | ¥13.5bn | at 2025-09-30 | Cons. | Assets |
| Total assets | ¥13.9bn | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥13.0bn | at 2024-09-30 | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥8.4bn | at 2025-09-30 | Cons. | Liabilities |
| Total liabilities | ¥8.6bn | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥5.1bn | at 2025-09-30 | Cons. | Net assets |
| Net assets / equity | ¥5.3bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥4.9bn | at 2024-09-30 | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥1.9bn | at 2025-09-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥1.8bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥1.8bn | at 2025-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.8bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.6bn | at 2024-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.7bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Operating cash flow | ¥394m | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥530m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥66m | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in operating activities |
| Investing cash flow | −¥313m | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | ¥54m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | ¥88m | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in investment activities |
| Financing cash flow | −¥22m | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥461m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥207m | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in financing activities |
| EPS (basic) | ¥-8.89 | 2025-04-01 → 2025-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥53.87 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥6.39 | 2024-04-01 → 2024-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| Equity ratio | 38.0% | at 2025-09-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 38.3% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 37.9% | at 2024-09-30 | 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 · 28
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | revenue | 2025-04-01 → 2025-09-30 | −¥19m |
| Reconciling Itemsreconciling | revenue intersegment | 2025-04-01 → 2025-09-30 | −¥19m |
| Reconciling Itemsreconciling | segment profit | 2025-04-01 → 2025-09-30 | ¥2m |
| Boring Machine Relatedreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥3.2bn |
| Boring Machine Relatedreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥3.2bn |
| Boring Machine Relatedreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥19m |
| Boring Machine Relatedreportable segment | segment profit | 2025-04-01 → 2025-09-30 | ¥13m |
| Work Execution Relatedreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥1.6bn |
| Work Execution Relatedreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥1.6bn |
| Work Execution Relatedreportable segment | segment profit | 2025-04-01 → 2025-09-30 | ¥65m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2025-09-30 | ¥4.9bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2025-09-30 | ¥4.8bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥19m |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-04-01 → 2025-09-30 | ¥78m |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2024-09-30 | −¥16m |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2024-09-30 | −¥16m |
| Reconciling Itemsreconciling | segment profit | 2024-04-01 → 2024-09-30 | ¥985,000 |
| Boring Machine Relatedreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥2.9bn |
| Boring Machine Relatedreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥2.9bn |
| Boring Machine Relatedreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥16m |
| Boring Machine Relatedreportable segment | segment profit | 2024-04-01 → 2024-09-30 | ¥55m |
| Work Execution Relatedreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥1.6bn |
| Work Execution Relatedreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥1.6bn |
| Work Execution Relatedreportable segment | segment profit | 2024-04-01 → 2024-09-30 | ¥62m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2024-09-30 | ¥4.5bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2024-09-30 | ¥4.4bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥16m |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-04-01 → 2024-09-30 | ¥118m |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 504
| Item | Context | Value | Unit |
|---|---|---|---|
| Company name in english cover page | FilingDateInstant | KOKEN BORING MACHINE CO., LTD. | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長 木山 隆二郎 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)東京都豊島区高田二丁目17番22号 | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)03(6907)7888(代表) | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)専務取締役経営管理財務本部長 外山 洋 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都豊島区高田二丁目17番22号 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | Original text (Japanese)03(6907)7888(代表) | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)専務取締役経営管理財務本部長 外山 洋 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E01699 | |
| Fund code | FilingDateInstant | － | |
| Security code | FilingDateInstant | 62970 | |
| Filer name in japanese | FilingDateInstant | Original text (Japanese)鉱研工業株式会社 | |
| Filer name in english | FilingDateInstant | KOKEN BORING MACHINE 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 | 2025-04-01 | |
| Current period end date | FilingDateInstant | 2025-09-30 | |
| Type of current period | FilingDateInstant | HY | |
| Current fiscal year end date | FilingDateInstant | 2026-03-31 | |
| Previous fiscal year start date | FilingDateInstant | 2024-04-01 | |
| Comparative period end date | FilingDateInstant | 2024-09-30 | |
| Previous fiscal year end date | FilingDateInstant | 2025-03-31 | |
| 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)東京証券取引所スタンダード市場 | |
| Description issued shares total number of shares etc | FilingDateInstant_OrdinaryShareMember | Original text (Japanese)単元株式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 |
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 rounding |
| balance sheet identity | pass rounding |
| 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 |