Annual report

Period2025-04-01 → 2026-03-31
Filed2026-06-26
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 148
MetricValuePeriodScopeSource row
Revenue¥50.1bn2025-04-01 → 2026-03-31Cons.Net sales
Revenue¥42.2bn2024-04-01 → 2025-03-31Cons.Net sales
Revenue¥38.5bn2023-04-01 → 2024-03-31vCons.Net sales (5-year summary)
Revenue¥37.2bn2022-04-01 → 2023-03-31vCons.Net sales (5-year summary)
Revenue¥34.3bn2021-04-01 → 2022-03-31vCons.Net sales (5-year summary)
Operating income¥7.4bn2025-04-01 → 2026-03-31Cons.Operating income
Operating income¥5.2bn2024-04-01 → 2025-03-31Cons.Operating income
Ordinary income¥7.9bn2025-04-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥5.5bn2024-04-01 → 2025-03-31Cons.Ordinary income
Ordinary income¥4.8bn2023-04-01 → 2024-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥6.3bn2022-04-01 → 2023-03-31vCons.Ordinary income loss (5-year summary)
Ordinary income¥6.0bn2021-04-01 → 2022-03-31vCons.Ordinary income loss (5-year summary)
Profit before tax¥7.9bn2025-04-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥5.5bn2024-04-01 → 2025-03-31Cons.Income before income taxes
Net income (owners)¥5.2bn2025-04-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥3.4bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥3.0bn2023-04-01 → 2024-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥3.7bn2022-04-01 → 2023-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥3.8bn2021-04-01 → 2022-03-31vCons.Profit loss attributable to owners of parent (5-year summary)
Net income¥5.8bn2025-04-01 → 2026-03-31Cons.Profit loss
Net income¥3.8bn2024-04-01 → 2025-03-31Cons.Profit loss
Total assets¥73.4bnat 2026-03-31Cons.Assets
Total assets¥67.3bnat 2025-03-31Cons.Assets
Total assets¥66.8bnat 2024-03-31vCons.Total assets (5-year summary)
Total assets¥54.9bnat 2023-03-31vCons.Total assets (5-year summary)
Total assets¥50.2bnat 2022-03-31vCons.Total assets (5-year summary)
Total liabilities¥16.0bnat 2026-03-31Cons.Liabilities
Total liabilities¥16.0bnat 2025-03-31Cons.Liabilities
Net assets / equity¥57.4bnat 2026-03-31Cons.Net assets
Net assets / equity¥51.3bnat 2025-03-31Cons.Net assets
Net assets / equity¥47.7bnat 2024-03-31vCons.Net assets
Net assets / equity¥43.0bnat 2023-03-31vCons.Net assets (5-year summary)
Net assets / equity¥39.0bnat 2022-03-31vCons.Net assets (5-year summary)
Cash and deposits¥22.3bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥20.0bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥20.2bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥18.7bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥20.0bnat 2024-03-31vCons.Cash and cash equivalents
Cash & equivalents¥15.1bnat 2023-03-31vCons.Cash and cash equivalents (5-year summary)
Cash & equivalents¥14.6bnat 2022-03-31vCons.Cash and cash equivalents (5-year summary)
Operating cash flow¥6.0bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥4.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥2.5bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥2.6bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥3.3bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in operating activities (5-year summary)
Investing cash flow−¥2.2bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥4.7bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investment activities
Investing cash flow−¥2.3bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥1.5bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥2.2bn2021-04-01 → 2022-03-31vCons.Net cash provided by used in investing activities (5-year summary)
Financing cash flow−¥2.4bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥1.7bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities
Financing cash flow¥4.3bn2023-04-01 → 2024-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥1.0bn2022-04-01 → 2023-03-31vCons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥991m2021-04-01 → 2022-03-31vCons.Net cash provided by used in financing activities (5-year summary)
EPS (basic)¥424.882025-04-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥273.242024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥239.622023-04-01 → 2024-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥302.752022-04-01 → 2023-03-31vCons.Basic earnings loss per share (5-year summary)
EPS (basic)¥304.932021-04-01 → 2022-03-31vCons.Basic earnings loss per share (5-year summary)
Net assets per share¥4,386.69at 2026-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥3,855.2at 2025-03-31Cons.Net assets per share (5-year summary)
Net assets per share¥3,591.96at 2024-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥3,250.91at 2023-03-31vCons.Net assets per share (5-year summary)
Net assets per share¥2,959.81at 2022-03-31vCons.Net assets per share (5-year summary)
Equity ratio72.7%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio70.8%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio66.4%at 2024-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio73.1%at 2023-03-31vCons.Equity to asset ratio (5-year summary)
Equity ratio72.8%at 2022-03-31vCons.Equity to asset ratio (5-year summary)
ROE10.3%2025-04-01 → 2026-03-31Cons.Rate of return on equity (5-year summary)
ROE7.3%2024-04-01 → 2025-03-31Cons.Rate of return on equity (5-year summary)
ROE7.0%2023-04-01 → 2024-03-31vCons.Rate of return on equity (5-year summary)
ROE9.8%2022-04-01 → 2023-03-31vCons.Rate of return on equity (5-year summary)
ROE10.8%2021-04-01 → 2022-03-31vCons.Rate of return on equity (5-year summary)
Employees1,038at 2026-03-31Cons.Number of employees
Employees987at 2025-03-31Cons.Number of employees
Employees947at 2024-03-31vCons.Number of employees
Employees906at 2023-03-31vCons.Number of employees
Employees855at 2022-03-31vCons.Number of employees
Revenue¥28.4bn2025-04-01 → 2026-03-31StandaloneNet sales
Revenue¥25.1bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥24.3bn2023-04-01 → 2024-03-31vStandaloneNet sales (5-year summary)
Revenue¥24.3bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥22.7bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Operating income¥1.7bn2025-04-01 → 2026-03-31StandaloneOperating income
Operating income¥746m2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income¥2.9bn2025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income¥2.3bn2024-04-01 → 2025-03-31StandaloneOrdinary income
Ordinary income¥2.7bn2023-04-01 → 2024-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥3.5bn2022-04-01 → 2023-03-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥2.5bn2021-04-01 → 2022-03-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥2.9bn2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax¥2.3bn2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income¥2.4bn2025-04-01 → 2026-03-31StandaloneProfit loss
Net income¥2.1bn2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥2.3bn2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income¥2.8bn2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥1.9bn2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥47.5bnat 2026-03-31StandaloneAssets
Total assets¥45.3bnat 2025-03-31StandaloneAssets
Total assets¥46.7bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥37.9bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥34.4bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥11.2bnat 2026-03-31StandaloneLiabilities
Total liabilities¥11.5bnat 2025-03-31StandaloneLiabilities
Net assets / equity¥36.4bnat 2026-03-31StandaloneNet assets
Net assets / equity¥33.9bnat 2025-03-31StandaloneNet assets
Net assets / equity¥32.2bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥29.1bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥26.7bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥3.7bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥5.1bnat 2025-03-31StandaloneCash and deposits
EPS (basic)¥199.612025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥166.292024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥185.992023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥224.352022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥154.532021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥952025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥602024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥482023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥472022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥372021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥2,989.04at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥2,741.36at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥2,610.45at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥2,356.78at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥2,162.53at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio76.5%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio74.7%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio69.1%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio76.7%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio77.5%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE7.0%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE6.2%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE7.5%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE9.9%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE7.3%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued12,561,000at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued12,561,000at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued12,561,000at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued12,561,000at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued12,561,000at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees498at 2026-03-31StandaloneNumber of employees
Employees473at 2025-03-31StandaloneNumber of employees
Employees460at 2024-03-31vStandaloneNumber of employees
Employees451at 2023-03-31vStandaloneNumber of employees
Employees436at 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 · 1,628
ItemContextValueUnit
Independent auditors report consolidated (text)FilingDateInstantText · Plus
Audit firm1 consolidatedFilingDateInstant
Original text (Japanese)協立監査法人
Cpa1 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)古村 永子郎
Cpa2 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)手島 達哉
Audit opinion consolidated (text)FilingDateInstantText · Plus
Key audit matters consolidated (text)FilingDateInstantText · Plus
Overview kam consolidated (text)FilingDateInstantText · Plus
Short description kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)工業用定置式ガス検知警報器関連の収益認識について
Description including reason kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Reference kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)連結財務諸表注記(セグメント情報等)
Auditors response kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Other information consolidated (text)FilingDateInstantText · Plus
Fee related information consolidated (text)FilingDateInstantText · Plus
Independent auditors report non consolidated (text)FilingDateInstantText · Plus
Audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)協立監査法人
Cpa1 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)古村 永子郎
Cpa2 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)手島 達哉
Audit opinion non consolidated (text)FilingDateInstantText · Plus
Key audit matters non consolidated (text)FilingDateInstantText · Plus
Overview kam non consolidated (text)FilingDateInstantText · Plus
Short description kam non consolidatedFilingDateInstant_Row1Member
Original text (Japanese)工業用定置式ガス検知警報器関連の収益認識について
Same as kam for consolidated fskam non consolidated (text)FilingDateInstant_Row1MemberText · Plus
Other information non consolidated (text)FilingDateInstantText · Plus
Fee related information non consolidated (text)FilingDateInstantText · Plus
Number of submissionFilingDateInstant1
Net sales (5-year summary)Prior4YearDuration34335851000JPY
Net sales (5-year summary)Prior3YearDuration37206881000JPY
Net sales (5-year summary)Prior2YearDuration38546304000JPY
Net sales (5-year summary)Prior1YearDuration42153556000JPY
Net sales (5-year summary)CurrentYearDuration50091543000JPY
Ordinary income loss (5-year summary)Prior4YearDuration6045000000JPY
Ordinary income loss (5-year summary)Prior3YearDuration6269768000JPY
Ordinary income loss (5-year summary)Prior2YearDuration4809381000JPY
Ordinary income loss (5-year summary)Prior1YearDuration5451411000JPY
Ordinary income loss (5-year summary)CurrentYearDuration7921295000JPY
Profit loss attributable to owners of parent (5-year summary)Prior4YearDuration3775455000JPY
Profit loss attributable to owners of parent (5-year summary)Prior3YearDuration3736894000JPY
Profit loss attributable to owners of parent (5-year summary)Prior2YearDuration2959416000JPY
Profit loss attributable to owners of parent (5-year summary)Prior1YearDuration3376817000JPY
Profit loss attributable to owners of parent (5-year summary)CurrentYearDuration5208541000JPY
Comprehensive income (5-year summary)Prior4YearDuration4215812000JPY
Comprehensive income (5-year summary)Prior3YearDuration4600954000JPY
Comprehensive income (5-year summary)Prior2YearDuration5304242000JPY
Comprehensive income (5-year summary)Prior1YearDuration4291696000JPY
Comprehensive income (5-year summary)CurrentYearDuration7617533000JPY
Net assets (5-year summary)Prior4YearInstant39002633000JPY
Net assets (5-year summary)Prior3YearInstant43031022000JPY
Net assets (5-year summary)Prior2YearInstant47650302000JPY
Net assets (5-year summary)Prior1YearInstant51260878000JPY
Net assets (5-year summary)CurrentYearInstant57443132000JPY

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 rounding
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