Annual report

Period2025-04-01 → 2026-03-31
Filed2026-06-24
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 148
MetricValuePeriodScopeSource row
Revenue¥9.3bn2025-04-01 → 2026-03-31Cons.Net sales
Revenue¥9.2bn2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥9.2bn2023-04-01 → 2024-03-31vCons.Net sales (5-year summary)
Revenue¥9.2bn2022-04-01 → 2023-03-31vCons.Net sales (5-year summary)
Revenue¥7.8bn2021-04-01 → 2022-03-31vCons.Net sales (5-year summary)
Operating income¥446m2025-04-01 → 2026-03-31Cons.Operating income
Operating income¥346m2024-04-01 → 2025-03-31Cons.Operating income
Ordinary income¥801m2025-04-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥571m2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥720m2023-04-01 → 2024-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥835m2022-04-01 → 2023-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥480m2021-04-01 → 2022-03-31vCons.Ordinary income loss (5-year summary)
Profit before tax¥885m2025-04-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥593m2024-04-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥625m2025-04-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥412m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥584m2023-04-01 → 2024-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥617m2022-04-01 → 2023-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥345m2021-04-01 → 2022-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥625m2025-04-01 → 2026-03-31Cons.Profit loss
Net income¥412m2024-04-01 → 2025-03-31Cons.Profit loss
Total assets¥14.6bnat 2026-03-31Cons.Assets
Total assets¥13.7bnat 2025-03-31Cons.Assets
Total assets¥13.5bnat 2024-03-31vCons.Total assets (5-year summary)
Total assets¥13.0bnat 2023-03-31vCons.Total assets (5-year summary)
Total assets¥12.6bnat 2022-03-31vCons.Total assets (5-year summary)
Total liabilities¥5.2bnat 2026-03-31Cons.Liabilities
Total liabilities¥5.5bnat 2025-03-31Cons.Liabilities
Net assets / equity¥9.4bnat 2026-03-31Cons.Net assets
Net assets / equity¥8.1bnat 2025-03-31Cons.Net assets
Net assets / equity¥7.6bnat 2024-03-31vCons.Net assets
Net assets / equity¥6.8bnat 2023-03-31vCons.Net assets (5-year summary)
Net assets / equity¥6.1bnat 2022-03-31vCons.Net assets (5-year summary)
Cash and deposits¥3.0bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥3.2bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥2.9bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥3.1bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥2.8bnat 2024-03-31vCons.Cash and cash equivalents
Cash & equivalents¥2.7bnat 2023-03-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥2.9bnat 2022-03-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥827m2025-04-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥767m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥826m2023-04-01 → 2024-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥625m2022-04-01 → 2023-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥519m2021-04-01 → 2022-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow−¥369m2025-04-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥136m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥161m2023-04-01 → 2024-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥282m2022-04-01 → 2023-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥186m2021-04-01 → 2022-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥665m2025-04-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥436m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥514m2023-04-01 → 2024-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥582m2022-04-01 → 2023-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥211m2021-04-01 → 2022-03-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥58.672025-04-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥38.672024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥55.112023-04-01 → 2024-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥58.212022-04-01 → 2023-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥32.62021-04-01 → 2022-03-31vCons.Basic earnings loss per share (5-year summary)
Net assets per share¥881.42at 2026-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥762.37at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥713.48at 2024-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥637.92at 2023-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥578.02at 2022-03-31vCons.Net assets per share (5-year summary)
Equity ratio64.4%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio59.5%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio56.2%at 2024-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio51.8%at 2023-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio48.5%at 2022-03-31vCons.Equity to asset ratio (5-year summary)
ROE7.1%2025-04-01 → 2026-03-31Cons.Rate of return on equity (5-year summary)
ROE5.2%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE8.1%2023-04-01 → 2024-03-31vCons.Rate of return on equity (5-year summary)
ROE9.6%2022-04-01 → 2023-03-31vCons.Rate of return on equity (5-year summary)
ROE5.8%2021-04-01 → 2022-03-31vCons.Rate of return on equity (5-year summary)
Employees216at 2026-03-31Cons.Number of employees
Employees218at 2025-03-31Cons.Number of employees
Employees220at 2024-03-31vCons.Number of employees
Employees222at 2023-03-31vCons.Number of employees
Employees219at 2022-03-31vCons.Number of employees
Revenue¥7.6bn2025-04-01 → 2026-03-31StandaloneNet sales
Revenue¥7.5bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥7.5bn2023-04-01 → 2024-03-31vStandaloneNet sales (5-year summary)
Revenue¥7.2bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥6.9bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Operating income¥311m2025-04-01 → 2026-03-31StandaloneOperating income
Operating income¥164m2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income¥539m2025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income¥395m2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥238m2023-04-01 → 2024-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥408m2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥387m2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥622m2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax¥417m2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income¥408m2025-04-01 → 2026-03-31StandaloneProfit loss
Net income¥295m2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥198m2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income¥309m2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥262m2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥11.9bnat 2026-03-31StandaloneAssets
Total assets¥11.2bnat 2025-03-31StandaloneAssets
Total assets¥11.0bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥10.7bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥10.9bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥4.8bnat 2026-03-31StandaloneLiabilities
Total liabilities¥5.1bnat 2025-03-31StandaloneLiabilities
Net assets / equity¥7.1bnat 2026-03-31StandaloneNet assets
Net assets / equity¥6.1bnat 2025-03-31StandaloneNet assets
Net assets / equity¥5.8bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥5.5bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥5.1bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥2.0bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥2.3bnat 2025-03-31StandaloneCash and deposits
EPS (basic)¥37.162025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥26.872024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥18.042023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥28.122022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥23.862021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥102025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥62024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥82023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥92022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥52021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥644.18at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥556.44at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥529.1at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥497.44at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥467.38at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio59.5%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio54.5%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio52.6%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio51.0%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio47.3%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE6.2%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE5.0%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE3.5%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE5.8%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE5.2%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued11,979,000at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued11,979,000at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued11,979,000at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued11,979,000at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued11,979,000at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees163at 2026-03-31StandaloneNumber of employees
Employees162at 2025-03-31StandaloneNumber of employees
Employees165at 2024-03-31vStandaloneNumber of employees
Employees167at 2023-03-31vStandaloneNumber of employees
Employees163at 2022-03-31vStandaloneNumber 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 · 1,518
ItemContextValueUnit
Address major shareholdersCurrentYearInstant_No1MajorShareholdersMember
Original text (Japanese)東京都品川区東五反田2丁目7番16号
Name major shareholdersCurrentYearInstant_No2MajorShareholdersMember
Original text (Japanese)石橋 健藏
Address major shareholdersCurrentYearInstant_No2MajorShareholdersMember
Original text (Japanese)東京都港区
Name major shareholdersCurrentYearInstant_No3MajorShareholdersMember
Original text (Japanese)公益財団法人石橋奨学会
Address major shareholdersCurrentYearInstant_No3MajorShareholdersMember
Original text (Japanese)東京都目黒区東山3丁目1番11号
Name major shareholdersCurrentYearInstant_No4MajorShareholdersMember
Original text (Japanese)朝日生命保険相互会社
Address major shareholdersCurrentYearInstant_No4MajorShareholdersMember
Original text (Japanese)東京都新宿区四谷1丁目6番1号
Name major shareholdersCurrentYearInstant_No5MajorShareholdersMember
Original text (Japanese)昭和化学工業取引先持株会
Address major shareholdersCurrentYearInstant_No5MajorShareholdersMember
Original text (Japanese)東京都港区赤坂2丁目14番32号
Name major shareholdersCurrentYearInstant_No6MajorShareholdersMember
Original text (Japanese)白山工業株式会社
Address major shareholdersCurrentYearInstant_No6MajorShareholdersMember
Original text (Japanese)東京都港区赤坂2丁目14番32号
Name major shareholdersCurrentYearInstant_No7MajorShareholdersMember
Original text (Japanese)株式会社三井住友銀行
Address major shareholdersCurrentYearInstant_No7MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内1丁目1番2号
Name major shareholdersCurrentYearInstant_No8MajorShareholdersMember
Original text (Japanese)石橋 敬子
Address major shareholdersCurrentYearInstant_No8MajorShareholdersMember
Original text (Japanese)東京都品川区
Name major shareholdersCurrentYearInstant_No9MajorShareholdersMember
Original text (Japanese)北沢産業株式会社
Address major shareholdersCurrentYearInstant_No9MajorShareholdersMember
Original text (Japanese)東京都渋谷区代官山町6番6号
Name major shareholdersCurrentYearInstant_No10MajorShareholdersMember
Original text (Japanese)株式会社北陸銀行
Address major shareholdersCurrentYearInstant_No10MajorShareholdersMember
Original text (Japanese)富山県富山市堤町通り1丁目2番26号
Name major shareholdersCurrentYearInstant_No11MajorShareholdersMember
Original text (Japanese)株式会社みずほ銀行
Address major shareholdersCurrentYearInstant_No11MajorShareholdersMember
Original text (Japanese)東京都千代田区大手町1丁目5番5号
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsCurrentYearInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsCurrentYearInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsCurrentYearInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsCurrentYearInstant_SharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsCurrentYearInstant_SharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsCurrentYearInstant_SharesLessThanOneUnitMember-
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcCurrentYearInstant_Row1Member
Original text (Japanese)昭和化学工業株式会社
Address of shareholder treasury shares etcCurrentYearInstant_Row1Member
Original text (Japanese)東京都港区赤坂2丁目14番32号
Name of shareholder treasury shares etcCurrentYearInstant_Row2Member
Original text (Japanese)白山工業株式会社
Address of shareholder treasury shares etcCurrentYearInstant_Row2Member
Original text (Japanese)東京都港区赤坂2丁目14番32号
Classes of shares etc (text)FilingDateInstantText · Plus
Acquisitions by resolution of shareholders meeting (text)FilingDateInstantText · Plus
Acquisitions by resolution of board of directors meeting (text)FilingDateInstantText · Plus
Acquisitions not based on resolution of shareholders meeting or board of directors meeting (text)FilingDateInstantText · Plus
Disposals or holding of acquired treasury shares (text)FilingDateInstantText · Plus
Dividend policy (text)FilingDateInstantText · Plus
Date of resolution dividends of surplusFilingDateInstant_Row1Member2025-11-14
Resolution dividends of surplusFilingDateInstant_Row1Member
Original text (Japanese)取締役会決議
Date of resolution dividends of surplusFilingDateInstant_Row2Member2026-06-26
Resolution dividends of surplusFilingDateInstant_Row2Member
Original text (Japanese)定時株主総会決議予定
Overview of corporate governance (text)FilingDateInstantText · Plus
Corporate governance company with audit and supervisory committee (text)FilingDateInstantText · Plus
Information about officers (text)FilingDateInstantText · Plus
Official title or position information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E01172-000IshibashiKenzoMember
Original text (Japanese)代表取締役社   長
Name information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E01172-000IshibashiKenzoMember
Original text (Japanese)石橋 健藏
Date of birth information about directors and corporate auditorsFilingDateInstant_jpcrp030000-asr_E01172-000IshibashiKenzoMember1968-11-09
Career summary information about directors and corporate auditors (text)FilingDateInstant_jpcrp030000-asr_E01172-000IshibashiKenzoMemberText · 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 · 24 of 24 passed
balance sheet identityconsolidated 2025-03-31pass
balance sheet identityconsolidated 2026-03-31pass rounding
balance sheet identitynon_consolidated 2025-03-31pass
balance sheet identitynon_consolidated 2026-03-31pass
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2024-03-31pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2026-03-31pass
statement vs summary · net assetsnon_consolidated 2024-03-31pass
statement vs summary · net assetsnon_consolidated 2025-03-31pass
statement vs summary · net assetsnon_consolidated 2026-03-31pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2025-03-31pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2026-03-31pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2025-03-31pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2026-03-31pass
statement vs summary · revenueconsolidated 2024-04-01/2025-03-31pass
statement vs summary · revenueconsolidated 2025-04-01/2026-03-31pass
statement vs summary · revenuenon_consolidated 2024-04-01/2025-03-31pass
statement vs summary · revenuenon_consolidated 2025-04-01/2026-03-31pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2026-03-31pass
statement vs summary · total assetsnon_consolidated 2025-03-31pass
statement vs summary · total assetsnon_consolidated 2026-03-31pass