Half-year report · HY
3445.TEDINET S100YWML
Period2026-01-01 → 2026-06-30
Filed2026-08-13
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 47
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥40.6bn | 2026-01-01 → 2026-06-30 | Cons. | Net sales |
| Revenue | ¥76.7bn | 2025-01-01 → 2025-12-31 | Cons. | Net sales (5-year summary) |
| Revenue | ¥38.0bn | 2025-01-01 → 2025-06-30 | Cons. | Net sales |
| Operating income | ¥7.7bn | 2026-01-01 → 2026-06-30 | Cons. | Operating income |
| Operating income | ¥7.1bn | 2025-01-01 → 2025-06-30 | Cons. | Operating income |
| Ordinary income | ¥9.0bn | 2026-01-01 → 2026-06-30 | Cons. | Ordinary income |
| Ordinary income | ¥16.6bn | 2025-01-01 → 2025-12-31 | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥7.2bn | 2025-01-01 → 2025-06-30 | Cons. | Ordinary income |
| Profit before tax | ¥9.0bn | 2026-01-01 → 2026-06-30 | Cons. | Income before income taxes |
| Profit before tax | ¥7.4bn | 2025-01-01 → 2025-06-30 | Cons. | Income before income taxes |
| Net income (owners) | ¥4.1bn | 2026-01-01 → 2026-06-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥9.3bn | 2025-01-01 → 2025-12-31 | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥3.8bn | 2025-01-01 → 2025-06-30 | Cons. | Profit loss attributable to owners of parent |
| Net income | ¥6.3bn | 2026-01-01 → 2026-06-30 | Cons. | Profit loss |
| Net income | ¥5.4bn | 2025-01-01 → 2025-06-30 | Cons. | Profit loss |
| Total assets | ¥217.0bn | at 2026-06-30 | Cons. | Assets |
| Total assets | ¥205.2bn | at 2025-12-31 | Cons. | Assets |
| Total assets | ¥173.2bn | at 2025-06-30 | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥46.3bn | at 2026-06-30 | Cons. | Liabilities |
| Total liabilities | ¥51.9bn | at 2025-12-31 | Cons. | Liabilities |
| Net assets / equity | ¥170.7bn | at 2026-06-30 | Cons. | Net assets |
| Net assets / equity | ¥153.3bn | at 2025-12-31 | Cons. | Net assets |
| Net assets / equity | ¥132.4bn | at 2025-06-30 | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥97.3bn | at 2026-06-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥96.8bn | at 2025-12-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥91.9bn | at 2026-06-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥95.9bn | at 2025-12-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥75.4bn | at 2025-06-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥83.8bn | at 2024-12-31v | Cons. | Cash and cash equivalents |
| Operating cash flow | ¥10.4bn | 2026-01-01 → 2026-06-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥14.8bn | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥8.7bn | 2025-01-01 → 2025-06-30 | Cons. | Net cash provided by used in operating activities |
| Investing cash flow | −¥11.4bn | 2026-01-01 → 2026-06-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥15.2bn | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥11.1bn | 2025-01-01 → 2025-06-30 | Cons. | Net cash provided by used in investment activities |
| Financing cash flow | −¥7.4bn | 2026-01-01 → 2026-06-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | ¥10.3bn | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥1.3bn | 2025-01-01 → 2025-06-30 | Cons. | Net cash provided by used in financing activities |
| EPS (basic) | ¥156.16 | 2026-01-01 → 2026-06-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥351.4 | 2025-01-01 → 2025-12-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥143.79 | 2025-01-01 → 2025-06-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥155.84 | 2026-01-01 → 2026-06-30 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥350.03 | 2025-01-01 → 2025-12-31 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥143.2 | 2025-01-01 → 2025-06-30 | Cons. | Diluted earnings per share (5-year summary) |
| Equity ratio | 41.4% | at 2026-06-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 39.1% | at 2025-12-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 39.8% | 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 · 52
| 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 | ¥99m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2026-01-01 → 2026-06-30 | ¥74m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥24m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2026-01-01 → 2026-06-30 | −¥7m |
| Reconciling Itemsreconciling | revenue | 2026-01-01 → 2026-06-30 | −¥1.3bn |
| Reconciling Itemsreconciling | revenue intersegment | 2026-01-01 → 2026-06-30 | −¥1.3bn |
| Reconciling Itemsreconciling | segment profit | 2026-01-01 → 2026-06-30 | −¥980m |
| Prime Silicon Wafer Businessreportable segment | revenue | 2026-01-01 → 2026-06-30 | ¥13.9bn |
| Prime Silicon Wafer Businessreportable segment | revenue external | 2026-01-01 → 2026-06-30 | ¥12.7bn |
| Prime Silicon Wafer Businessreportable segment | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥1.2bn |
| Prime Silicon Wafer Businessreportable segment | segment profit | 2026-01-01 → 2026-06-30 | ¥3.2bn |
| Semiconductor Related Equipment And Elementsreportable segment | revenue | 2026-01-01 → 2026-06-30 | ¥13.6bn |
| Semiconductor Related Equipment And Elementsreportable segment | revenue external | 2026-01-01 → 2026-06-30 | ¥13.5bn |
| Semiconductor Related Equipment And Elementsreportable segment | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥134m |
| Semiconductor Related Equipment And Elementsreportable segment | segment profit | 2026-01-01 → 2026-06-30 | ¥413m |
| Waferreportable segment | revenue | 2026-01-01 → 2026-06-30 | ¥14.3bn |
| Waferreportable segment | revenue external | 2026-01-01 → 2026-06-30 | ¥14.3bn |
| Waferreportable segment | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥0 |
| Waferreportable segment | segment profit | 2026-01-01 → 2026-06-30 | ¥5.1bn |
| —segment total | revenue | 2026-01-01 → 2026-06-30 | ¥41.8bn |
| —segment total | revenue external | 2026-01-01 → 2026-06-30 | ¥40.5bn |
| —segment total | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥1.3bn |
| —segment total | segment profit | 2026-01-01 → 2026-06-30 | ¥8.7bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2026-01-01 → 2026-06-30 | ¥41.9bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2026-01-01 → 2026-06-30 | ¥40.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2026-01-01 → 2026-06-30 | ¥1.3bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2026-01-01 → 2026-06-30 | ¥8.7bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2025-01-01 → 2025-06-30 | ¥98m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2025-01-01 → 2025-06-30 | ¥74m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥24m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2025-01-01 → 2025-06-30 | −¥3m |
| Reconciling Itemsreconciling | revenue | 2025-01-01 → 2025-06-30 | −¥997m |
| Reconciling Itemsreconciling | revenue intersegment | 2025-01-01 → 2025-06-30 | −¥997m |
| Reconciling Itemsreconciling | segment profit | 2025-01-01 → 2025-06-30 | −¥875m |
| Prime Silicon Wafer Businessreportable segment | revenue | 2025-01-01 → 2025-06-30 | ¥10.0bn |
| Prime Silicon Wafer Businessreportable segment | revenue external | 2025-01-01 → 2025-06-30 | ¥9.0bn |
| Prime Silicon Wafer Businessreportable segment | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥972m |
| Prime Silicon Wafer Businessreportable segment | segment profit | 2025-01-01 → 2025-06-30 | ¥2.3bn |
| Semiconductor Related Equipment And Elementsreportable segment | revenue | 2025-01-01 → 2025-06-30 | ¥15.5bn |
| Semiconductor Related Equipment And Elementsreportable segment | revenue external | 2025-01-01 → 2025-06-30 | ¥15.5bn |
| Semiconductor Related Equipment And Elementsreportable segment | segment profit | 2025-01-01 → 2025-06-30 | ¥909m |
| Waferreportable segment | revenue | 2025-01-01 → 2025-06-30 | ¥13.4bn |
| Waferreportable segment | revenue external | 2025-01-01 → 2025-06-30 | ¥13.4bn |
| Waferreportable segment | segment profit | 2025-01-01 → 2025-06-30 | ¥4.7bn |
| —segment total | revenue | 2025-01-01 → 2025-06-30 | ¥38.9bn |
| —segment total | revenue external | 2025-01-01 → 2025-06-30 | ¥37.9bn |
| —segment total | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥972m |
| —segment total | segment profit | 2025-01-01 → 2025-06-30 | ¥8.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-01-01 → 2025-06-30 | ¥39.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-01-01 → 2025-06-30 | ¥38.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-01-01 → 2025-06-30 | ¥997m |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-01-01 → 2025-06-30 | ¥8.0bn |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 537
| Item | Context | Value | Unit |
|---|---|---|---|
| Revenues from external customers | InterimDuration_ReconcilingItemsMember | － | JPY |
| Revenues from external customers | InterimDuration | 40595000000 | JPY |
| Transactions with other segments | InterimDuration_jpcrp040300-ssr_E31042-000WaferReportableSegmentMember | 0 | JPY |
| Transactions with other segments | InterimDuration_jpcrp040300-ssr_E31042-000PrimeSiliconWaferBusinessReportableSegmentMember | 1173000000 | JPY |
| Transactions with other segments | InterimDuration_jpcrp040300-ssr_E31042-000SemiconductorRelatedEquipmentAndElementsReportableSegmentMember | 134000000 | JPY |
| Transactions with other segments | InterimDuration_ReportableSegmentsMember | 1309000000 | JPY |
| Transactions with other segments | InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember | 24000000 | JPY |
| Transactions with other segments | InterimDuration_TotalOfReportableSegmentsAndOthersMember | 1333000000 | JPY |
| Transactions with other segments | InterimDuration_ReconcilingItemsMember | -1333000000 | JPY |
| Transactions with other segments | InterimDuration | － | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E31042-000WaferReportableSegmentMember | 14284000000 | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E31042-000PrimeSiliconWaferBusinessReportableSegmentMember | 13902000000 | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E31042-000SemiconductorRelatedEquipmentAndElementsReportableSegmentMember | 13642000000 | JPY |
| Net sales | InterimDuration_ReportableSegmentsMember | 41829000000 | JPY |
| Net sales | InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember | 99000000 | JPY |
| Net sales | InterimDuration_TotalOfReportableSegmentsAndOthersMember | 41928000000 | JPY |
| Net sales | InterimDuration_ReconcilingItemsMember | -1333000000 | JPY |
| Net sales | InterimDuration | 40595000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E31042-000WaferReportableSegmentMember | 5069000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E31042-000PrimeSiliconWaferBusinessReportableSegmentMember | 3240000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E31042-000SemiconductorRelatedEquipmentAndElementsReportableSegmentMember | 413000000 | JPY |
| Operating income | InterimDuration_ReportableSegmentsMember | 8723000000 | JPY |
| Operating income | InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember | -7000000 | JPY |
| Operating income | InterimDuration_TotalOfReportableSegmentsAndOthersMember | 8715000000 | JPY |
| Operating income | InterimDuration_ReconcilingItemsMember | -980000000 | JPY |
| Operating income | InterimDuration | 7735000000 | JPY |
| Document title cover page | FilingDateInstant | Original text (Japanese)半期報告書 | |
| Clause of stipulation cover page | FilingDateInstant | Original text (Japanese)金融商品取引法第24条の５第１項の表の第１号 | |
| Place of filing cover page | FilingDateInstant | Original text (Japanese)関東財務局長 | |
| Filing date cover page | FilingDateInstant | 2026-08-13 | |
| Semi annual accounting period cover page | FilingDateInstant | Original text (Japanese)第17期中(自 2026年１月１日 至 2026年６月30日) | |
| Company name cover page | FilingDateInstant | Original text (Japanese)株式会社ＲＳ Ｔｅｃｈｎｏｌｏｇｉｅｓ | |
| Company name in english cover page | FilingDateInstant | RS Technologies Co., Ltd. | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長 方 永義 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)東京都品川区大井一丁目47番１号 | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)03(5709)7685（代表） | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)取締役 経営管理本部長 戸松 清秀 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都品川区大井一丁目47番１号 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | Original text (Japanese)03(5709)7685（代表） | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)取締役 経営管理本部長 戸松 清秀 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E31042 | |
| Fund code | FilingDateInstant | － | |
| Security code | FilingDateInstant | 34450 | |
| Filer name in japanese | FilingDateInstant | Original text (Japanese)株式会社ＲＳ Ｔｅｃｈｎｏｌｏｇｉｅｓ | |
| Filer name in english | FilingDateInstant | RS Technologies 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 |
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 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 |