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¥12.8bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥24.0bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥12.0bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥4.1bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥3.9bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥4.2bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥7.9bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥3.9bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥4.3bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥3.9bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥3.1bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥5.1bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥2.7bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥3.1bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥2.7bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥32.0bnat 2025-09-30Cons.Assets
Total assets¥29.5bnat 2025-03-31Cons.Assets
Total assets¥26.7bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥9.0bnat 2025-09-30Cons.Liabilities
Total liabilities¥8.1bnat 2025-03-31Cons.Liabilities
Net assets / equity¥23.0bnat 2025-09-30Cons.Net assets
Net assets / equity¥21.4bnat 2025-03-31Cons.Net assets
Net assets / equity¥19.9bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥12.9bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥12.5bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥12.1bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥12.6bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥10.5bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥9.4bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥3.5bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥6.0bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥3.5bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥2.9bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥1.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥1.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥1.3bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥700m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥745m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥260.032025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥430.922024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥226.972024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio72.0%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio72.6%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio74.7%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 · 24
SegmentItemPeriodValue
Otherother segmentsrevenue2025-04-01 → 2025-09-30¥771m
Otherother segmentsrevenue external2025-04-01 → 2025-09-30¥771m
Otherother segmentssegment profit2025-04-01 → 2025-09-30¥52m
Optical Componentsreportable segmentrevenue2025-04-01 → 2025-09-30¥2.7bn
Optical Componentsreportable segmentrevenue external2025-04-01 → 2025-09-30¥2.7bn
Optical Componentsreportable segmentsegment profit2025-04-01 → 2025-09-30¥698m
Tunable Lasers And Instrumentsreportable segmentrevenue2025-04-01 → 2025-09-30¥9.3bn
Tunable Lasers And Instrumentsreportable segmentrevenue external2025-04-01 → 2025-09-30¥9.3bn
Tunable Lasers And Instrumentsreportable segmentsegment profit2025-04-01 → 2025-09-30¥3.4bn
—segment totalrevenue2025-04-01 → 2025-09-30¥12.0bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥12.0bn
—segment totalsegment profit2025-04-01 → 2025-09-30¥4.1bn
Otherother segmentsrevenue2024-04-01 → 2024-09-30¥834m
Otherother segmentsrevenue external2024-04-01 → 2024-09-30¥834m
Otherother segmentssegment profit2024-04-01 → 2024-09-30¥42m
Optical Componentsreportable segmentrevenue2024-04-01 → 2024-09-30¥1.5bn
Optical Componentsreportable segmentrevenue external2024-04-01 → 2024-09-30¥1.5bn
Optical Componentsreportable segmentsegment profit2024-04-01 → 2024-09-30¥102m
Tunable Lasers And Instrumentsreportable segmentrevenue2024-04-01 → 2024-09-30¥9.6bn
Tunable Lasers And Instrumentsreportable segmentrevenue external2024-04-01 → 2024-09-30¥9.6bn
Tunable Lasers And Instrumentsreportable segmentsegment profit2024-04-01 → 2024-09-30¥3.7bn
—segment totalrevenue2024-04-01 → 2024-09-30¥11.2bn
—segment totalrevenue external2024-04-01 → 2024-09-30¥11.2bn
—segment totalsegment profit2024-04-01 → 2024-09-30¥3.8bn

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

All source rows · 509
ItemContextValueUnit
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)株式会社光和
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)愛知県春日井市中央台7丁目1-2
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)株式会社ChronoSource
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)愛知県春日井市中央台7丁目1-1
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)Gens Global株式会社
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)愛知県名古屋市中村区名駅1丁目1-1
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)幸昇株式会社
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)愛知県名古屋市東区泉1丁目12-25
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)鄭 台鎬
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)愛知県瀬戸市
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1丁目8-12
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)定村 幸恵
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)愛知県春日井市
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)野村 光子
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)愛知県春日井市
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)サンテック社員持株会
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)愛知県小牧市大草年上坂5823
Name major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
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-
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_SharesLessThanOneUnitMember-
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)santec Holdings株式会社
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)愛知県小牧市大字大草字年上坂5823番地
Information about officers (text)FilingDateInstantText · Plus
Regulations in accordance with which consolidated financial statements have been prepared financial informationInterimDurationText · Plus
Type1 semi annual consolidated financial statements financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Type1 semi annual consolidated balance sheet (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of comprehensive income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of cash flows (text)InterimDurationText · Plus
Notes changes in scope of consolidation or equity method (text)InterimDurationText · Plus
Notes accounting treatments specific to semi annual financial statements type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Major components of selling general and administrative expenses (text)InterimDurationText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)InterimDurationText · Plus
Notes regarding dividend (text)Prior1InterimDurationText · Plus
Notes regarding dividend (text)InterimDurationText · Plus
Notes segment information etc type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Footnotes regarding segment information table (text)Prior1InterimDurationText · 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