Half-year report · HY

Period2026-01-01 → 2026-06-30
Filed2026-08-13
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 47
MetricValuePeriodScopeSource row
Revenue¥40.6bn2026-01-01 → 2026-06-30Cons.Net sales
Revenue¥76.7bn2025-01-01 → 2025-12-31Cons.Net sales (5-year summary)
Revenue¥38.0bn2025-01-01 → 2025-06-30Cons.Net sales
Operating income¥7.7bn2026-01-01 → 2026-06-30Cons.Operating income
Operating income¥7.1bn2025-01-01 → 2025-06-30Cons.Operating income
Ordinary income¥9.0bn2026-01-01 → 2026-06-30Cons.Ordinary income
Ordinary income¥16.6bn2025-01-01 → 2025-12-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥7.2bn2025-01-01 → 2025-06-30Cons.Ordinary income
Profit before tax¥9.0bn2026-01-01 → 2026-06-30Cons.Income before income taxes
Profit before tax¥7.4bn2025-01-01 → 2025-06-30Cons.Income before income taxes
Net income (owners)¥4.1bn2026-01-01 → 2026-06-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥9.3bn2025-01-01 → 2025-12-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥3.8bn2025-01-01 → 2025-06-30Cons.Profit loss attributable to owners of parent
Net income¥6.3bn2026-01-01 → 2026-06-30Cons.Profit loss
Net income¥5.4bn2025-01-01 → 2025-06-30Cons.Profit loss
Total assets¥217.0bnat 2026-06-30Cons.Assets
Total assets¥205.2bnat 2025-12-31Cons.Assets
Total assets¥173.2bnat 2025-06-30Cons.Total assets (5-year summary)
Total liabilities¥46.3bnat 2026-06-30Cons.Liabilities
Total liabilities¥51.9bnat 2025-12-31Cons.Liabilities
Net assets / equity¥170.7bnat 2026-06-30Cons.Net assets
Net assets / equity¥153.3bnat 2025-12-31Cons.Net assets
Net assets / equity¥132.4bnat 2025-06-30Cons.Net assets (5-year summary)
Cash and deposits¥97.3bnat 2026-06-30Cons.Cash and deposits
Cash and deposits¥96.8bnat 2025-12-31Cons.Cash and deposits
Cash & equivalents¥91.9bnat 2026-06-30Cons.Cash and cash equivalents
Cash & equivalents¥95.9bnat 2025-12-31Cons.Cash and cash equivalents
Cash & equivalents¥75.4bnat 2025-06-30Cons.Cash and cash equivalents
Cash & equivalents¥83.8bnat 2024-12-31vCons.Cash and cash equivalents
Operating cash flow¥10.4bn2026-01-01 → 2026-06-30Cons.Net cash provided by used in operating activities
Operating cash flow¥14.8bn2025-01-01 → 2025-12-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥8.7bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥11.4bn2026-01-01 → 2026-06-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥15.2bn2025-01-01 → 2025-12-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥11.1bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥7.4bn2026-01-01 → 2026-06-30Cons.Net cash provided by used in financing activities
Financing cash flow¥10.3bn2025-01-01 → 2025-12-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥1.3bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in financing activities
EPS (basic)¥156.162026-01-01 → 2026-06-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥351.42025-01-01 → 2025-12-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥143.792025-01-01 → 2025-06-30Cons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥155.842026-01-01 → 2026-06-30Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥350.032025-01-01 → 2025-12-31Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥143.22025-01-01 → 2025-06-30Cons.Diluted earnings per share (5-year summary)
Equity ratio41.4%at 2026-06-30Cons.Equity to asset ratio (5-year summary)
Equity ratio39.1%at 2025-12-31Cons.Equity to asset ratio (5-year summary)
Equity ratio39.8%at 2025-06-30Cons.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 · 52
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2026-01-01 → 2026-06-30¥99m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2026-01-01 → 2026-06-30¥74m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2026-01-01 → 2026-06-30¥24m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2026-01-01 → 2026-06-30−¥7m
Reconciling Itemsreconcilingrevenue2026-01-01 → 2026-06-30−¥1.3bn
Reconciling Itemsreconcilingrevenue intersegment2026-01-01 → 2026-06-30−¥1.3bn
Reconciling Itemsreconcilingsegment profit2026-01-01 → 2026-06-30−¥980m
Prime Silicon Wafer Businessreportable segmentrevenue2026-01-01 → 2026-06-30¥13.9bn
Prime Silicon Wafer Businessreportable segmentrevenue external2026-01-01 → 2026-06-30¥12.7bn
Prime Silicon Wafer Businessreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥1.2bn
Prime Silicon Wafer Businessreportable segmentsegment profit2026-01-01 → 2026-06-30¥3.2bn
Semiconductor Related Equipment And Elementsreportable segmentrevenue2026-01-01 → 2026-06-30¥13.6bn
Semiconductor Related Equipment And Elementsreportable segmentrevenue external2026-01-01 → 2026-06-30¥13.5bn
Semiconductor Related Equipment And Elementsreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥134m
Semiconductor Related Equipment And Elementsreportable segmentsegment profit2026-01-01 → 2026-06-30¥413m
Waferreportable segmentrevenue2026-01-01 → 2026-06-30¥14.3bn
Waferreportable segmentrevenue external2026-01-01 → 2026-06-30¥14.3bn
Waferreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥0
Waferreportable segmentsegment profit2026-01-01 → 2026-06-30¥5.1bn
—segment totalrevenue2026-01-01 → 2026-06-30¥41.8bn
—segment totalrevenue external2026-01-01 → 2026-06-30¥40.5bn
—segment totalrevenue intersegment2026-01-01 → 2026-06-30¥1.3bn
—segment totalsegment profit2026-01-01 → 2026-06-30¥8.7bn
Total Of Reportable Segments And Otherssegment totalrevenue2026-01-01 → 2026-06-30¥41.9bn
Total Of Reportable Segments And Otherssegment totalrevenue external2026-01-01 → 2026-06-30¥40.6bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2026-01-01 → 2026-06-30¥1.3bn
Total Of Reportable Segments And Otherssegment totalsegment profit2026-01-01 → 2026-06-30¥8.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-01-01 → 2025-06-30¥98m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-01-01 → 2025-06-30¥74m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-01-01 → 2025-06-30¥24m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-01-01 → 2025-06-30−¥3m
Reconciling Itemsreconcilingrevenue2025-01-01 → 2025-06-30−¥997m
Reconciling Itemsreconcilingrevenue intersegment2025-01-01 → 2025-06-30−¥997m
Reconciling Itemsreconcilingsegment profit2025-01-01 → 2025-06-30−¥875m
Prime Silicon Wafer Businessreportable segmentrevenue2025-01-01 → 2025-06-30¥10.0bn
Prime Silicon Wafer Businessreportable segmentrevenue external2025-01-01 → 2025-06-30¥9.0bn
Prime Silicon Wafer Businessreportable segmentrevenue intersegment2025-01-01 → 2025-06-30¥972m
Prime Silicon Wafer Businessreportable segmentsegment profit2025-01-01 → 2025-06-30¥2.3bn
Semiconductor Related Equipment And Elementsreportable segmentrevenue2025-01-01 → 2025-06-30¥15.5bn
Semiconductor Related Equipment And Elementsreportable segmentrevenue external2025-01-01 → 2025-06-30¥15.5bn
Semiconductor Related Equipment And Elementsreportable segmentsegment profit2025-01-01 → 2025-06-30¥909m
Waferreportable segmentrevenue2025-01-01 → 2025-06-30¥13.4bn
Waferreportable segmentrevenue external2025-01-01 → 2025-06-30¥13.4bn
Waferreportable segmentsegment profit2025-01-01 → 2025-06-30¥4.7bn
—segment totalrevenue2025-01-01 → 2025-06-30¥38.9bn
—segment totalrevenue external2025-01-01 → 2025-06-30¥37.9bn
—segment totalrevenue intersegment2025-01-01 → 2025-06-30¥972m
—segment totalsegment profit2025-01-01 → 2025-06-30¥8.0bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-01-01 → 2025-06-30¥39.0bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-01-01 → 2025-06-30¥38.0bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-01-01 → 2025-06-30¥997m
Total Of Reportable Segments And Otherssegment totalsegment profit2025-01-01 → 2025-06-30¥8.0bn

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

All source rows · 537
ItemContextValueUnit
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)本郷 邦夫
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)東京都中野区
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMemberText · Plus
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember-
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)株式会社RS Technologies
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京都品川区大井一丁目47番1号
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 changes in scope of consolidation or equity method (text)InterimDurationText · Plus
Notes changes in presentation (text)InterimDurationText · Plus
Note regarding amounts of tax purpose reduction entry of property plant and equipment (text)InterimInstantText · Plus
Major components of selling general and administrative expenses (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
Notes significant events after reporting period 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 2025-12-31pass
balance sheet identityconsolidated 2026-06-30pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-12-31pass
statement vs summary · net assetsconsolidated 2026-06-30pass
statement vs summary · net income attributable to parentconsolidated 2025-01-01/2025-06-30pass
statement vs summary · net income attributable to parentconsolidated 2026-01-01/2026-06-30pass
statement vs summary · operating cash flowconsolidated 2025-01-01/2025-06-30pass
statement vs summary · operating cash flowconsolidated 2026-01-01/2026-06-30pass
statement vs summary · revenueconsolidated 2025-01-01/2025-06-30pass
statement vs summary · revenueconsolidated 2026-01-01/2026-06-30pass
statement vs summary · total assetsconsolidated 2025-12-31pass
statement vs summary · total assetsconsolidated 2026-06-30pass