Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-14
StandardJapan GAAP
ConsolidatedYes
Data checks8 of 8 passed
Key figures · 39
MetricValuePeriodScopeSource row
Revenue¥27.6bn2025-04-01 → 2025-09-30Cons.Net sales
Operating income¥76m2025-04-01 → 2025-09-30Cons.Operating income
Ordinary income¥82m2025-04-01 → 2025-09-30Cons.Ordinary income
Profit before tax¥82m2025-04-01 → 2025-09-30Cons.Income before income taxes
Net income (owners)¥38m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income¥38m2025-04-01 → 2025-09-30Cons.Profit loss
Total assets¥24.7bnat 2025-09-30Cons.Assets
Total liabilities¥16.1bnat 2025-09-30Cons.Liabilities
Net assets / equity¥8.7bnat 2025-09-30Cons.Net assets
Cash and deposits¥5.4bnat 2025-09-30Cons.Cash and deposits
Cash & equivalents¥5.4bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥7.2bnat 2025-03-31Cons.Cash and cash equivalents
Operating cash flow−¥600m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥620m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥571m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥3.652025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio35.1%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Revenue¥50.3bn2024-04-01 → 2025-03-31StandaloneNet sales (5-year summary)
Revenue¥24.0bn2024-04-01 → 2024-09-30StandaloneNet sales (5-year summary)
Ordinary income¥543m2024-04-01 → 2025-03-31StandaloneOrdinary income loss (5-year summary)
Ordinary income¥177m2024-04-01 → 2024-09-30StandaloneOrdinary income loss (5-year summary)
Net income¥410m2024-04-01 → 2025-03-31StandaloneNet income loss (5-year summary)
Net income¥116m2024-04-01 → 2024-09-30StandaloneNet income loss (5-year summary)
Total assets¥25.5bnat 2025-03-31StandaloneTotal assets (5-year summary)
Total assets¥23.0bnat 2024-09-30StandaloneTotal assets (5-year summary)
Net assets / equity¥9.1bnat 2025-03-31StandaloneNet assets (5-year summary)
Net assets / equity¥8.8bnat 2024-09-30StandaloneNet assets (5-year summary)
Cash & equivalents¥7.1bnat 2025-03-31StandaloneCash and cash equivalents (5-year summary)
Cash & equivalents¥7.5bnat 2024-09-30StandaloneCash 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¥719m2024-04-01 → 2024-09-30StandaloneNet 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−¥223m2024-04-01 → 2024-09-30StandaloneNet 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−¥522m2024-04-01 → 2024-09-30StandaloneNet cash provided by used in financing activities (5-year summary)
EPS (basic)¥39.22024-04-01 → 2025-03-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥11.12024-04-01 → 2024-09-30StandaloneBasic earnings loss per share (5-year summary)
Equity ratio35.7%at 2025-03-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio38.4%at 2024-09-30StandaloneEquity to asset ratio (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.

Segments · 8
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥3.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥3.0bn
Arrhythmia Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥22.7bn
Arrhythmia Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥22.7bn
Ischemia Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥1.9bn
Ischemia Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥1.9bn
—segment totalrevenue2025-04-01 → 2025-09-30¥24.6bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥24.6bn

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

All source rows · 339
ItemContextValueUnit
Accounting standardsFilingDateInstantJapan GAAP
Whether consolidated financial statements are preparedFilingDateInstanttrue
Industry code when consolidated financial statements are prepared in accordance with industry specific regulationsFilingDateInstantcte
Industry code when financial statements are prepared in accordance with industry specific regulationsFilingDateInstant-
Current fiscal year start dateFilingDateInstant2025-04-01
Current period end dateFilingDateInstant2025-09-30
Type of current periodFilingDateInstantHY
Current fiscal year end dateFilingDateInstant2026-03-31
Previous fiscal year start dateFilingDateInstant2024-04-01
Comparative period end dateFilingDateInstant2024-09-30
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
Description of business (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
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
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
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)株式会社MSS
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都豊島区西池袋3丁目6-18
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)株式会社UH5
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都豊島区西池袋1丁目4-10
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)株式会社UH Partners 2
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都豊島区南池袋2丁目9-9
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)光通信KK投資事業有限責任組合
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京都豊島区西池袋1丁目4-10
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)エスアイエル投資事業有限責任組合
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)東京都豊島区南池袋2丁目9-9
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)泉工医科工業株式会社
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)東京都文京区本郷3丁目23-13
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)Apaman Network株式会社
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内1丁目8-1
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)株式会社UH Partners 3
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)東京都豊島区南池袋2丁目9-9
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)宮川 元
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)愛知県安城市

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 · 8 of 8 passed
balance sheet identityconsolidated 2025-09-30pass
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
statement vs summary · revenueconsolidated 2025-04-01/2025-09-30pass
statement vs summary · total assetsconsolidated 2025-09-30pass