Annual report

Period2024-06-01 → 2025-05-31
Filed2025-08-29
StandardJapan GAAP
ConsolidatedNo
Data checks13 of 13 passed
Key figures · 88
MetricValuePeriodScopeSource row
Revenue¥21.7bn2024-06-01 → 2025-05-31StandaloneNet sales
Revenue¥17.2bn2023-06-01 → 2024-05-31StandaloneNet sales
Revenue¥17.1bn2022-06-01 → 2023-05-31vStandaloneNet sales (5-year summary)
Revenue¥17.6bn2021-06-01 → 2022-05-31vStandaloneNet sales (5-year summary)
Revenue¥18.1bn2020-06-01 → 2021-05-31vStandaloneNet sales (5-year summary)
Operating income¥1.2bn2024-06-01 → 2025-05-31StandaloneOperating income
Operating income¥886m2023-06-01 → 2024-05-31StandaloneOperating income
Ordinary income¥1.2bn2024-06-01 → 2025-05-31StandaloneOrdinary income
Ordinary income¥897m2023-06-01 → 2024-05-31StandaloneOrdinary income
Ordinary income¥919m2022-06-01 → 2023-05-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.1bn2021-06-01 → 2022-05-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.2bn2020-06-01 → 2021-05-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥1.2bn2024-06-01 → 2025-05-31StandaloneIncome before income taxes
Profit before tax¥897m2023-06-01 → 2024-05-31StandaloneIncome before income taxes
Net income¥816m2024-06-01 → 2025-05-31StandaloneProfit loss
Net income¥602m2023-06-01 → 2024-05-31StandaloneProfit loss
Net income¥615m2022-06-01 → 2023-05-31vStandaloneNet income loss (5-year summary)
Net income¥704m2021-06-01 → 2022-05-31vStandaloneNet income loss (5-year summary)
Net income¥790m2020-06-01 → 2021-05-31vStandaloneNet income loss (5-year summary)
Total assets¥17.6bnat 2025-05-31StandaloneAssets
Total assets¥16.0bnat 2024-05-31StandaloneAssets
Total assets¥14.1bnat 2023-05-31vStandaloneTotal assets (5-year summary)
Total assets¥14.9bnat 2022-05-31vStandaloneTotal assets (5-year summary)
Total assets¥14.1bnat 2021-05-31vStandaloneTotal assets (5-year summary)
Total liabilities¥9.2bnat 2025-05-31StandaloneLiabilities
Total liabilities¥8.2bnat 2024-05-31StandaloneLiabilities
Net assets / equity¥8.4bnat 2025-05-31StandaloneNet assets
Net assets / equity¥7.9bnat 2024-05-31StandaloneNet assets
Net assets / equity¥7.5bnat 2023-05-31vStandaloneNet assets
Net assets / equity¥7.2bnat 2022-05-31vStandaloneNet assets (5-year summary)
Net assets / equity¥6.7bnat 2021-05-31vStandaloneNet assets (5-year summary)
Cash and deposits¥7.4bnat 2025-05-31StandaloneCash and deposits
Cash and deposits¥6.5bnat 2024-05-31StandaloneCash and deposits
Cash & equivalents¥2.1bnat 2025-05-31StandaloneCash and cash equivalents
Cash & equivalents¥934mat 2024-05-31StandaloneCash and cash equivalents
Cash & equivalents¥734mat 2023-05-31vStandaloneCash and cash equivalents
Cash & equivalents¥825mat 2022-05-31vStandaloneCash and cash equivalents (5-year summary)
Cash & equivalents¥892mat 2021-05-31vStandaloneCash and cash equivalents (5-year summary)
Operating cash flow¥1.4bn2024-06-01 → 2025-05-31StandaloneNet cash provided by used in operating activities
Operating cash flow¥2.2bn2023-06-01 → 2024-05-31StandaloneNet cash provided by used in operating activities
Operating cash flow−¥634m2022-06-01 → 2023-05-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.2bn2021-06-01 → 2022-05-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥683m2020-06-01 → 2021-05-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Investing cash flow¥103m2024-06-01 → 2025-05-31StandaloneNet cash provided by used in investment activities
Investing cash flow−¥2.2bn2023-06-01 → 2024-05-31StandaloneNet cash provided by used in investment activities
Investing cash flow¥880m2022-06-01 → 2023-05-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥947m2021-06-01 → 2022-05-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥903m2020-06-01 → 2021-05-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Financing cash flow−¥318m2024-06-01 → 2025-05-31StandaloneNet cash provided by used in financing activities
Financing cash flow¥193m2023-06-01 → 2024-05-31StandaloneNet cash provided by used in financing activities
Financing cash flow−¥336m2022-06-01 → 2023-05-31vStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥336m2021-06-01 → 2022-05-31vStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥140m2020-06-01 → 2021-05-31vStandaloneNet cash provided by used in financing activities (5-year summary)
EPS (basic)¥153.092024-06-01 → 2025-05-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥112.92023-06-01 → 2024-05-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥115.342022-06-01 → 2023-05-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥131.952021-06-01 → 2022-05-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥148.22020-06-01 → 2021-05-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥602024-06-01 → 2025-05-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥492023-06-01 → 2024-05-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥492022-06-01 → 2023-05-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥482021-06-01 → 2022-05-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥482020-06-01 → 2021-05-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥1,577.49at 2025-05-31StandaloneNet assets per share (5-year summary)
Net assets per share¥1,473.17at 2024-05-31StandaloneNet assets per share (5-year summary)
Net assets per share¥1,408.53at 2023-05-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥1,341.08at 2022-05-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥1,256.53at 2021-05-31vStandaloneNet assets per share (5-year summary)
Equity ratio47.8%at 2025-05-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio49.0%at 2024-05-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio53.3%at 2023-05-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio48.1%at 2022-05-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio47.6%at 2021-05-31vStandaloneEquity to asset ratio (5-year summary)
ROE10.0%2024-06-01 → 2025-05-31StandaloneRate of return on equity (5-year summary)
ROE7.8%2023-06-01 → 2024-05-31StandaloneRate of return on equity (5-year summary)
ROE8.4%2022-06-01 → 2023-05-31vStandaloneRate of return on equity (5-year summary)
ROE10.2%2021-06-01 → 2022-05-31vStandaloneRate of return on equity (5-year summary)
ROE12.4%2020-06-01 → 2021-05-31vStandaloneRate of return on equity (5-year summary)
Shares issued5,332,780at 2025-05-31StandaloneTotal number of issued shares (5-year summary)
Shares issued5,332,780at 2024-05-31StandaloneTotal number of issued shares (5-year summary)
Shares issued5,332,780at 2023-05-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued5,332,780at 2022-05-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued5,332,780at 2021-05-31vStandaloneTotal number of issued shares (5-year summary)
Employees142at 2025-05-31StandaloneNumber of employees
Employees146at 2024-05-31StandaloneNumber of employees
Employees151at 2023-05-31vStandaloneNumber of employees
Employees148at 2022-05-31vStandaloneNumber of employees
Employees143at 2021-05-31vStandaloneNumber of employees

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 · 966
ItemContextValueUnit
Previous fiscal year start dateFilingDateInstant2023-06-01
Comparative period end dateFilingDateInstant2024-05-31
Previous fiscal year end dateFilingDateInstant2024-05-31
Next fiscal year start dateFilingDateInstant-
End date of quarterly or semi annual period of next fiscal yearFilingDateInstant-
Amendment flagFilingDateInstantfalse
Identification of document subject to amendmentFilingDateInstant-
Report amendment flagFilingDateInstantfalse
Xbrl amendment flagFilingDateInstantfalse
Business results of reporting company (text)FilingDateInstantText · Plus
Company history (text)FilingDateInstantText · Plus
Description of business (text)FilingDateInstantText · Plus
Overview of affiliated entities (text)FilingDateInstantText · Plus
Information about employees (text)FilingDateInstantText · Plus
Business policy business environment issues to address etc (text)FilingDateInstantText · Plus
Disclosure of sustainability related financial information (text)FilingDateInstantText · Plus
Governance (text)FilingDateInstantText · Plus
Strategy (text)FilingDateInstantText · Plus
Risk management (text)FilingDateInstantText · Plus
Metrics and targets (text)FilingDateInstantText · Plus
Business risks (text)FilingDateInstantText · Plus
Management analysis of financial position operating results and cash flows (text)FilingDateInstantText · Plus
Critical contracts (text)FilingDateInstantText · Plus
Research and development activities (text)FilingDateInstantText · Plus
Overview of capital expenditures etc (text)FilingDateInstantText · Plus
Major facilities (text)FilingDateInstantText · Plus
Planned additions retirements etc of facilities (text)FilingDateInstantText · Plus
Total number of shares (text)FilingDateInstantText · Plus
Issued shares total number of shares etc (text)FilingDateInstantText · Plus
Class issued shares total number of shares etcFilingDateInstant_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 registeredFilingDateInstant_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 etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)完全議決権株式であり、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ます。(注)
Details of employee share option program (text)FilingDateInstantText · Plus
Description of rights plan (text)FilingDateInstantText · Plus
Other information on share acquisition rights (text)FilingDateInstantText · Plus
Exercises etc of moving strike convertible bonds etc (text)FilingDateInstantText · Plus
Changes in number of issued shares stated capital etc (text)FilingDateInstantText · Plus
Shareholding by shareholder category (text)FilingDateInstantText · Plus
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersCurrentYearInstant_No1MajorShareholdersMember
Original text (Japanese)株式会社ディー・ケー・コーポレーション
Address major shareholdersCurrentYearInstant_No1MajorShareholdersMember
Original text (Japanese)愛媛県松山市山越1丁目21番14号
Name major shareholdersCurrentYearInstant_No2MajorShareholdersMember
Original text (Japanese)光通信株式会社
Address major shareholdersCurrentYearInstant_No2MajorShareholdersMember
Original text (Japanese)東京都豊島区西池袋1丁目4-10
Name major shareholdersCurrentYearInstant_No3MajorShareholdersMember
Original text (Japanese)河田 晃
Address major shareholdersCurrentYearInstant_No3MajorShareholdersMember
Original text (Japanese)愛媛県松山市
Name major shareholdersCurrentYearInstant_No4MajorShareholdersMember
Original text (Japanese)河田 充
Address major shareholdersCurrentYearInstant_No4MajorShareholdersMember
Original text (Japanese)愛媛県松山市
Name major shareholdersCurrentYearInstant_No5MajorShareholdersMember
Original text (Japanese)ダイコー従業員持株会
Address major shareholdersCurrentYearInstant_No5MajorShareholdersMember
Original text (Japanese)愛媛県松山市姫原3丁目6番11号
Name major shareholdersCurrentYearInstant_No6MajorShareholdersMember
Original text (Japanese)西村 晃

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 · 13 of 13 passed
balance sheet identitynon_consolidated 2024-05-31pass
balance sheet identitynon_consolidated 2025-05-31pass
dei present pass
period resolution pass
statement vs summary · net assetsnon_consolidated 2023-05-31pass
statement vs summary · net assetsnon_consolidated 2024-05-31pass
statement vs summary · net assetsnon_consolidated 2025-05-31pass
statement vs summary · operating cash flownon_consolidated 2023-06-01/2024-05-31pass
statement vs summary · operating cash flownon_consolidated 2024-06-01/2025-05-31pass
statement vs summary · revenuenon_consolidated 2023-06-01/2024-05-31pass
statement vs summary · revenuenon_consolidated 2024-06-01/2025-05-31pass
statement vs summary · total assetsnon_consolidated 2024-05-31pass
statement vs summary · total assetsnon_consolidated 2025-05-31pass