Half-year report · HY

Period2026-01-01 → 2026-06-30
Filed2026-08-14
StandardJapan GAAP
ConsolidatedNo
Data checks12 of 12 passed
Key figures · 47
MetricValuePeriodScopeSource row
Revenue¥1.5bn2026-01-01 → 2026-06-30StandaloneNet sales
Revenue¥3.0bn2025-01-01 → 2025-12-31StandaloneNet sales (5-year summary)
Revenue¥1.5bn2025-01-01 → 2025-06-30StandaloneNet sales
Operating income¥59m2026-01-01 → 2026-06-30StandaloneOperating income
Operating income¥80m2025-01-01 → 2025-06-30StandaloneOperating income
Ordinary income¥58m2026-01-01 → 2026-06-30StandaloneOrdinary income
Ordinary income¥153m2025-01-01 → 2025-12-31StandaloneOrdinary income loss (5-year summary)
Ordinary income¥78m2025-01-01 → 2025-06-30StandaloneOrdinary income
Profit before tax¥47m2026-01-01 → 2026-06-30StandaloneIncome before income taxes
Profit before tax¥89m2025-01-01 → 2025-06-30StandaloneIncome before income taxes
Net income¥30m2026-01-01 → 2026-06-30StandaloneProfit loss
Net income¥108m2025-01-01 → 2025-12-31StandaloneNet income loss (5-year summary)
Net income¥58m2025-01-01 → 2025-06-30StandaloneProfit loss
Total assets¥1.3bnat 2026-06-30StandaloneAssets
Total assets¥1.3bnat 2025-12-31StandaloneAssets
Total assets¥1.3bnat 2025-06-30StandaloneTotal assets (5-year summary)
Total liabilities¥635mat 2026-06-30StandaloneLiabilities
Total liabilities¥481mat 2025-12-31StandaloneLiabilities
Net assets / equity¥706mat 2026-06-30StandaloneNet assets
Net assets / equity¥777mat 2025-12-31StandaloneNet assets
Net assets / equity¥727mat 2025-06-30StandaloneNet assets (5-year summary)
Cash and deposits¥828mat 2026-06-30StandaloneCash and deposits
Cash and deposits¥613mat 2025-12-31StandaloneCash and deposits
Cash & equivalents¥803mat 2026-06-30StandaloneCash and cash equivalents
Cash & equivalents¥588mat 2025-12-31StandaloneCash and cash equivalents
Cash & equivalents¥663mat 2025-06-30StandaloneCash and cash equivalents
Cash & equivalents¥658mat 2024-12-31vStandaloneCash and cash equivalents
Operating cash flow¥80m2026-01-01 → 2026-06-30StandaloneNet cash provided by used in operating activities
Operating cash flow¥66m2025-01-01 → 2025-12-31StandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥83m2025-01-01 → 2025-06-30StandaloneNet cash provided by used in operating activities
Investing cash flow¥91m2026-01-01 → 2026-06-30StandaloneNet cash provided by used in investment activities
Investing cash flow¥18m2025-01-01 → 2025-12-31StandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow¥20m2025-01-01 → 2025-06-30StandaloneNet cash provided by used in investment activities
Financing cash flow¥45m2026-01-01 → 2026-06-30StandaloneNet cash provided by used in financing activities
Financing cash flow−¥154m2025-01-01 → 2025-12-31StandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥98m2025-01-01 → 2025-06-30StandaloneNet cash provided by used in financing activities
EPS (basic)¥18.842026-01-01 → 2026-06-30StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥67.232025-01-01 → 2025-12-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥35.792025-01-01 → 2025-06-30StandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥72026-01-01 → 2026-06-30StandaloneDividend paid per share (5-year summary)
Dividend per share¥302025-01-01 → 2025-12-31StandaloneDividend paid per share (5-year summary)
Equity ratio52.6%at 2026-06-30StandaloneEquity to asset ratio (5-year summary)
Equity ratio61.8%at 2025-12-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio56.4%at 2025-06-30StandaloneEquity to asset ratio (5-year summary)
Shares issued1,608,000at 2026-06-30StandaloneTotal number of issued shares (5-year summary)
Shares issued1,608,000at 2025-12-31StandaloneTotal number of issued shares (5-year summary)
Shares issued1,608,000at 2025-06-30StandaloneTotal number of issued shares (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.

All source rows · 437
ItemContextValueUnit
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)愛知県あま市
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_OrdinarySharesSharesWithFullVotingRightsOtherMember
Original text (Japanese)権利内容に何ら限定のない当社における標準となる株式であり、単元株式数は100株です。
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember-
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)株式会社日本オーエー研究所
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京都千代田区西神田三丁目2番1号
Information about officers (text)FilingDateInstantText · Plus
Regulations in accordance with which financial statements have been prepared financial informationInterimDurationText · Plus
Type1 semi annual financial statements financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Description of fact that consolidated financial statements have not been prepared financial informationInterimDuration
Original text (Japanese)当社は、子会社がありませんので、中間連結財務諸表を作成しておりません。
Type1 semi annual balance sheet (text)InterimDurationText · Plus
Type1 semi annual statement of income (text)InterimDurationText · Plus
Type1 semi annual statement of cash flows (text)InterimDurationText · Plus
Notes changes in accounting policies quarterly consolidated financial statements (text)InterimDurationText · Plus
Notes accounting treatments specific to semi annual financial statements type1 semi annual financial statements (text)InterimDurationText · Plus
Notes additional information semi annual financial statements (text)InterimDurationText · Plus
Notes semi annual balance sheet (text)InterimDurationText · Plus
Major components of selling general and administrative expenses (text)InterimDuration_NonConsolidatedMemberText · Plus
Notes regarding extraordinary gains (text)InterimDuration_NonConsolidatedMemberText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)InterimDuration_NonConsolidatedMemberText · Plus
Notes regarding dividend (text)Prior1InterimDuration_NonConsolidatedMemberText · Plus
Notes when there is significant changes in amounts of equity (text)Prior1InterimDuration_NonConsolidatedMemberText · Plus
Notes regarding dividend (text)InterimDuration_NonConsolidatedMemberText · Plus
Notes when there is significant changes in amounts of equity (text)InterimDuration_NonConsolidatedMemberText · Plus
Notes segment information etc type1 semi annual financial statements (text)InterimDurationText · Plus
Description of fact that companys business comprises single segmentInterimDuration_NonConsolidatedMember
Original text (Japanese)当社はシステム開発事業の単一セグメントのため、記載は省略しております。
Notes revenue recognition semi annual financial statements (text)InterimDurationText · Plus
Notes per share information semi annual financial statements (text)InterimDurationText · Plus
Notes significant events after reporting period semi annual financial statements (text)InterimDurationText · Plus
Other information 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 · 12 of 12 passed
balance sheet identitynon_consolidated 2025-12-31pass
balance sheet identitynon_consolidated 2026-06-30pass
dei present pass
period resolution pass
statement vs summary · net assetsnon_consolidated 2025-12-31pass
statement vs summary · net assetsnon_consolidated 2026-06-30pass
statement vs summary · operating cash flownon_consolidated 2025-01-01/2025-06-30pass
statement vs summary · operating cash flownon_consolidated 2026-01-01/2026-06-30pass
statement vs summary · revenuenon_consolidated 2025-01-01/2025-06-30pass
statement vs summary · revenuenon_consolidated 2026-01-01/2026-06-30pass
statement vs summary · total assetsnon_consolidated 2025-12-31pass
statement vs summary · total assetsnon_consolidated 2026-06-30pass