Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-14
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥6.2bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥10.7bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥4.6bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥1.5bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income−¥437m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥1.5bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥525m2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income−¥406m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥803m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax−¥644m2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥944m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥3.6bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)−¥655m2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥944m2025-04-01 → 2025-09-30Cons.Profit loss
Net income−¥655m2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥19.6bnat 2025-09-30Cons.Assets
Total assets¥18.5bnat 2025-03-31Cons.Assets
Total assets¥14.6bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥3.0bnat 2025-09-30Cons.Liabilities
Total liabilities¥3.0bnat 2025-03-31Cons.Liabilities
Net assets / equity¥16.6bnat 2025-09-30Cons.Net assets
Net assets / equity¥15.6bnat 2025-03-31Cons.Net assets
Net assets / equity¥11.0bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥10.5bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥10.1bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥10.5bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥10.1bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥6.9bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥6.6bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥430m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥346m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow−¥14m2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥38m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow¥3.2bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow¥342m2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥1m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥4m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥1m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥88.182025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥343.912024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-62.712024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio84.8%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio83.9%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio74.9%at 2024-09-30Cons.Equity 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 · 20
SegmentItemPeriodValue
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30−¥355m
Solution Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥560m
Solution Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥560m
Solution Businessreportable segmentsegment profit2025-04-01 → 2025-09-30¥20m
Transmission And Reception Equipment Sales Businessreportable segmentrevenue2025-04-01 → 2025-09-30¥5.6bn
Transmission And Reception Equipment Sales Businessreportable segmentrevenue external2025-04-01 → 2025-09-30¥5.6bn
Transmission And Reception Equipment Sales Businessreportable segmentsegment profit2025-04-01 → 2025-09-30¥1.8bn
—segment totalrevenue2025-04-01 → 2025-09-30¥6.2bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥6.2bn
—segment totalsegment profit2025-04-01 → 2025-09-30¥1.8bn
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30−¥578m
Solution Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥588m
Solution Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥588m
Solution Businessreportable segmentsegment profit2024-04-01 → 2024-09-30¥34m
Transmission And Reception Equipment Sales Businessreportable segmentrevenue2024-04-01 → 2024-09-30¥4.1bn
Transmission And Reception Equipment Sales Businessreportable segmentrevenue external2024-04-01 → 2024-09-30¥4.1bn
Transmission And Reception Equipment Sales Businessreportable segmentsegment profit2024-04-01 → 2024-09-30¥106m
—segment totalrevenue2024-04-01 → 2024-09-30¥4.6bn
—segment totalrevenue external2024-04-01 → 2024-09-30¥4.6bn
—segment totalsegment profit2024-04-01 → 2024-09-30¥141m

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

All source rows · 518
ItemContextValueUnit
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)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、単元株式数は100株であります。
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_No1MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No1MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)瀧澤 豊
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都北区
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)瀧澤 功一
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都豊島区
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)立花証券株式会社
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京都中央区日本橋茅場町1丁目13-14
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)株式会社りそな銀行
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)大阪府大阪市中央区備後町2丁目2-1
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)瀧澤 賢二
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)東京都豊島区
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)株式会社UH Partners 2
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都豊島区南池袋2丁目9-9
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)西川 喜代子
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)東京都東久留米市
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)株式会社UH Partners 3
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)東京都豊島区南池袋2丁目9-9
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1丁目8-12
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsTreasurySharesEtcMember
Original text (Japanese)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単元株式数100株
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsOtherMember
Original text (Japanese)同上
Description issued shares voting rightsInterimInstant_SharesLessThanOneUnitMember
Original text (Japanese)同上
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)日本アンテナ株式会社
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京都荒川区西尾久七丁目49番8号
Information about officers (text)FilingDateInstantText · Plus
Regulations in accordance with which consolidated financial statements have been prepared financial informationInterimDurationText · 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 · 14 of 14 passed
balance sheet identityconsolidated 2025-03-31pass rounding
balance sheet identityconsolidated 2025-09-30pass
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2024-09-30pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2024-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
statement vs summary · revenueconsolidated 2024-04-01/2024-09-30pass
statement vs summary · revenueconsolidated 2025-04-01/2025-09-30pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass