Annual report

Period2025-04-01 → 2026-03-31
Filed2026-06-25
StandardJapan GAAP
ConsolidatedYes
Data checks17 of 17 passed
Key figures · 104
MetricValuePeriodScopeSource row
Revenue¥56.0bn2025-04-01 → 2026-03-31Cons.Net sales
Operating income¥294m2025-04-01 → 2026-03-31Cons.Operating income
Ordinary income¥301m2025-04-01 → 2026-03-31Cons.Ordinary income
Profit before tax¥302m2025-04-01 → 2026-03-31Cons.Income before income taxes
Net income (owners)¥225m2025-04-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income¥225m2025-04-01 → 2026-03-31Cons.Profit loss
Total assets¥25.0bnat 2026-03-31Cons.Assets
Total liabilities¥16.2bnat 2026-03-31Cons.Liabilities
Net assets / equity¥8.8bnat 2026-03-31Cons.Net assets
Net assets / equity¥9.1bnat 2025-03-31Cons.Net assets
Cash and deposits¥4.3bnat 2026-03-31Cons.Cash and deposits
Cash & equivalents¥4.3bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥7.1bnat 2025-03-31Cons.Cash and cash equivalents
Operating cash flow−¥1.2bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Investing cash flow−¥1.0bn2025-04-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Financing cash flow−¥551m2025-04-01 → 2026-03-31Cons.Net cash provided by used in financing activities
EPS (basic)¥21.492025-04-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
Net assets per share¥842.09at 2026-03-31Cons.Net assets per share (5-year summary)
Equity ratio35.4%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
ROE2.5%2025-04-01 → 2026-03-31Cons.Rate of return on equity (5-year summary)
Employees378at 2026-03-31Cons.Number of employees
Revenue¥55.6bn2025-04-01 → 2026-03-31StandaloneNet sales
Revenue¥50.3bn2024-04-01 → 2025-03-31StandaloneNet sales
Revenue¥45.9bn2023-04-01 → 2024-03-31vStandaloneNet sales (5-year summary)
Revenue¥47.5bn2022-04-01 → 2023-03-31vStandaloneNet sales (5-year summary)
Revenue¥45.5bn2021-04-01 → 2022-03-31vStandaloneNet sales (5-year summary)
Operating income¥314m2025-04-01 → 2026-03-31StandaloneOperating income
Operating income¥537m2024-04-01 → 2025-03-31StandaloneOperating income
Ordinary income¥322m2025-04-01 → 2026-03-31StandaloneOrdinary income
Ordinary income¥543m2024-04-01 → 2025-03-31StandaloneOrdinary income
Profit before tax¥323m2025-04-01 → 2026-03-31StandaloneIncome before income taxes
Profit before tax¥538m2024-04-01 → 2025-03-31StandaloneIncome before income taxes
Net income¥256m2025-04-01 → 2026-03-31StandaloneProfit loss
Net income¥410m2024-04-01 → 2025-03-31StandaloneProfit loss
Net income¥173m2023-04-01 → 2024-03-31vStandaloneNet income loss (5-year summary)
Net income¥936m2022-04-01 → 2023-03-31vStandaloneNet income loss (5-year summary)
Net income¥863m2021-04-01 → 2022-03-31vStandaloneNet income loss (5-year summary)
Total assets¥24.9bnat 2026-03-31StandaloneAssets
Total assets¥25.5bnat 2025-03-31StandaloneAssets
Total assets¥22.7bnat 2024-03-31vStandaloneTotal assets (5-year summary)
Total assets¥23.6bnat 2023-03-31vStandaloneTotal assets (5-year summary)
Total assets¥22.2bnat 2022-03-31vStandaloneTotal assets (5-year summary)
Total liabilities¥16.0bnat 2026-03-31StandaloneLiabilities
Total liabilities¥16.4bnat 2025-03-31StandaloneLiabilities
Net assets / equity¥8.9bnat 2026-03-31StandaloneNet assets
Net assets / equity¥9.1bnat 2025-03-31StandaloneNet assets
Net assets / equity¥9.2bnat 2024-03-31vStandaloneNet assets
Net assets / equity¥9.3bnat 2023-03-31vStandaloneNet assets (5-year summary)
Net assets / equity¥8.6bnat 2022-03-31vStandaloneNet assets (5-year summary)
Cash and deposits¥4.2bnat 2026-03-31StandaloneCash and deposits
Cash and deposits¥5.1bnat 2025-03-31StandaloneCash and deposits
Cash & equivalents¥7.1bnat 2025-03-31StandaloneCash and cash equivalents (5-year summary)
Cash & equivalents¥7.5bnat 2024-03-31vStandaloneCash and cash equivalents (5-year summary)
Cash & equivalents¥8.6bnat 2023-03-31vStandaloneCash and cash equivalents (5-year summary)
Cash & equivalents¥7.8bnat 2022-03-31vStandaloneCash and cash equivalents (5-year summary)
Operating cash flow¥726m2024-04-01 → 2025-03-31StandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow−¥423m2023-04-01 → 2024-03-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.5bn2022-04-01 → 2023-03-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.7bn2021-04-01 → 2022-03-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Investing cash flow−¥632m2024-04-01 → 2025-03-31StandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥397m2023-04-01 → 2024-03-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥477m2022-04-01 → 2023-03-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥97m2021-04-01 → 2022-03-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Financing cash flow−¥524m2024-04-01 → 2025-03-31StandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥312m2023-04-01 → 2024-03-31vStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥245m2022-04-01 → 2023-03-31vStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥235m2021-04-01 → 2022-03-31vStandaloneNet cash provided by used in financing activities (5-year summary)
EPS (basic)¥24.392025-04-01 → 2026-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥39.22024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥16.582023-04-01 → 2024-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥90.212022-04-01 → 2023-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥83.562021-04-01 → 2022-03-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (diluted)¥90.042022-04-01 → 2023-03-31vStandaloneDiluted earnings per share (5-year summary)
EPS (diluted)¥83.332021-04-01 → 2022-03-31vStandaloneDiluted earnings per share (5-year summary)
Dividend per share¥502025-04-01 → 2026-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥502024-04-01 → 2025-03-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥502023-04-01 → 2024-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥302022-04-01 → 2023-03-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥252021-04-01 → 2022-03-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥845.06at 2026-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥871.63at 2025-03-31StandaloneNet assets per share (5-year summary)
Net assets per share¥880.72at 2024-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥894.19at 2023-03-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥828.27at 2022-03-31vStandaloneNet assets per share (5-year summary)
Equity ratio35.6%at 2026-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio35.7%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio40.6%at 2024-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio39.4%at 2023-03-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio38.6%at 2022-03-31vStandaloneEquity to asset ratio (5-year summary)
ROE2.8%2025-04-01 → 2026-03-31StandaloneRate of return on equity (5-year summary)
ROE4.5%2024-04-01 → 2025-03-31StandaloneRate of return on equity (5-year summary)
ROE1.9%2023-04-01 → 2024-03-31vStandaloneRate of return on equity (5-year summary)
ROE10.5%2022-04-01 → 2023-03-31vStandaloneRate of return on equity (5-year summary)
ROE10.5%2021-04-01 → 2022-03-31vStandaloneRate of return on equity (5-year summary)
Shares issued10,780,000at 2026-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued10,780,000at 2025-03-31StandaloneTotal number of issued shares (5-year summary)
Shares issued10,780,000at 2024-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued10,780,000at 2023-03-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued10,780,000at 2022-03-31vStandaloneTotal number of issued shares (5-year summary)
Employees361at 2026-03-31StandaloneNumber of employees
Employees334at 2025-03-31StandaloneNumber of employees
Employees316at 2024-03-31vStandaloneNumber of employees
Employees319at 2023-03-31vStandaloneNumber of employees
Employees328at 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.

Segments · 9
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2026-03-31¥6.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2026-03-31¥6.3bn
Arrhythmia Businessreportable segmentrevenue2025-04-01 → 2026-03-31¥45.7bn
Arrhythmia Businessreportable segmentrevenue external2025-04-01 → 2026-03-31¥45.7bn
Ischemia Businessreportable segmentrevenue2025-04-01 → 2026-03-31¥4.0bn
Ischemia Businessreportable segmentrevenue external2025-04-01 → 2026-03-31¥4.0bn
—segment totalrevenue2025-04-01 → 2026-03-31¥49.7bn
—segment totalrevenue external2025-04-01 → 2026-03-31¥49.7bn
Total Of Reportable Segments And Otherssegment totalemployeesat 2026-03-31361 pure

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

All source rows · 1,240
ItemContextValueUnit
Current period end dateFilingDateInstant2026-03-31
Type of current periodFilingDateInstantFY
Current fiscal year end dateFilingDateInstant2026-03-31
Previous fiscal year start dateFilingDateInstant2024-04-01
Comparative period end dateFilingDateInstant2025-03-31
Previous fiscal year end dateFilingDateInstant2025-03-31
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 group (text)FilingDateInstantText · Plus
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
Business policy business environment issues to address etc (text)FilingDateInstantText · Plus
Disclosure of sustainability related financial information (text)FilingDateInstantText · Plus
Governance (text)FilingDateInstantText · Plus
Risk management (text)FilingDateInstantText · Plus
Metrics and targets (text)FilingDateInstantText · Plus
Reference to other information metrics and targetsFilingDateInstant
Original text (Japanese)3 事業等のリスク
Strategy (text)FilingDateInstantText · Plus
Policy on development of human resources and internal environment strategy (text)FilingDateInstantText · Plus
Description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics 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)単元株式数100株
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MSS
Address major shareholdersCurrentYearInstant_No1MajorShareholdersMember
Original text (Japanese)東京都豊島区西池袋3丁目6番18号アビタシオン307
Name major shareholdersCurrentYearInstant_No2MajorShareholdersMember
Original text (Japanese)株式会社UH6
Address major shareholdersCurrentYearInstant_No2MajorShareholdersMember
Original text (Japanese)東京都豊島区西池袋1丁目4番10号
Name major shareholdersCurrentYearInstant_No3MajorShareholdersMember
Original text (Japanese)UH Partners2投資事業有限責任組合

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 · 17 of 17 passed
balance sheet identityconsolidated 2026-03-31pass
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 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 2025-04-01/2026-03-31pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2026-03-31pass
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 2026-03-31pass
statement vs summary · total assetsnon_consolidated 2025-03-31pass
statement vs summary · total assetsnon_consolidated 2026-03-31pass