Half-year report · HY

Period2025-11-01 → 2026-04-30
Filed2026-06-12
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥15.1bn2025-11-01 → 2026-04-30Cons.Net sales
Revenue¥28.9bn2024-11-01 → 2025-10-31Cons.Net sales (5-year summary)
Revenue¥13.8bn2024-11-01 → 2025-04-30Cons.Net sales
Operating income¥533m2025-11-01 → 2026-04-30Cons.Operating income
Operating income¥1.1bn2024-11-01 → 2025-04-30Cons.Operating income
Ordinary income¥833m2025-11-01 → 2026-04-30Cons.Ordinary income
Ordinary income¥2.3bn2024-11-01 → 2025-10-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥1.3bn2024-11-01 → 2025-04-30Cons.Ordinary income
Profit before tax¥930m2025-11-01 → 2026-04-30Cons.Income before income taxes
Profit before tax¥1.3bn2024-11-01 → 2025-04-30Cons.Income before income taxes
Net income (owners)¥453m2025-11-01 → 2026-04-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥1.7bn2024-11-01 → 2025-10-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥756m2024-11-01 → 2025-04-30Cons.Profit loss attributable to owners of parent
Net income¥500m2025-11-01 → 2026-04-30Cons.Profit loss
Net income¥828m2024-11-01 → 2025-04-30Cons.Profit loss
Total assets¥66.8bnat 2026-04-30Cons.Assets
Total assets¥66.9bnat 2025-10-31Cons.Assets
Total assets¥63.0bnat 2025-04-30Cons.Total assets (5-year summary)
Total liabilities¥13.9bnat 2026-04-30Cons.Liabilities
Total liabilities¥14.5bnat 2025-10-31Cons.Liabilities
Net assets / equity¥52.9bnat 2026-04-30Cons.Net assets
Net assets / equity¥52.3bnat 2025-10-31Cons.Net assets
Net assets / equity¥49.7bnat 2025-04-30Cons.Net assets (5-year summary)
Cash and deposits¥14.6bnat 2026-04-30Cons.Cash and deposits
Cash and deposits¥14.4bnat 2025-10-31Cons.Cash and deposits
Cash & equivalents¥13.6bnat 2026-04-30Cons.Cash and cash equivalents
Cash & equivalents¥13.0bnat 2025-10-31Cons.Cash and cash equivalents
Cash & equivalents¥11.3bnat 2025-04-30Cons.Cash and cash equivalents
Cash & equivalents¥13.6bnat 2024-10-31vCons.Cash and cash equivalents
Operating cash flow¥2.1bn2025-11-01 → 2026-04-30Cons.Net cash provided by used in operating activities
Operating cash flow¥1.0bn2024-11-01 → 2025-10-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥732m2024-11-01 → 2025-04-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥997m2025-11-01 → 2026-04-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥854m2024-11-01 → 2025-10-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥1.1bn2024-11-01 → 2025-04-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥837m2025-11-01 → 2026-04-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥943m2024-11-01 → 2025-10-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥1.3bn2024-11-01 → 2025-04-30Cons.Net cash provided by used in financing activities
EPS (basic)¥18.982025-11-01 → 2026-04-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥71.042024-11-01 → 2025-10-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥31.042024-11-01 → 2025-04-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio78.5%at 2026-04-30Cons.Equity to asset ratio (5-year summary)
Equity ratio77.6%at 2025-10-31Cons.Equity to asset ratio (5-year summary)
Equity ratio78.3%at 2025-04-30Cons.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 · 18
SegmentItemPeriodValue
Electronicsreportable segmentrevenue2025-11-01 → 2026-04-30¥6.7bn
Electronicsreportable segmentrevenue external2025-11-01 → 2026-04-30¥6.7bn
Electronicsreportable segmentsegment profit2025-11-01 → 2026-04-30¥701m
Optical Productsreportable segmentrevenue2025-11-01 → 2026-04-30¥8.4bn
Optical Productsreportable segmentrevenue external2025-11-01 → 2026-04-30¥8.4bn
Optical Productsreportable segmentsegment profit2025-11-01 → 2026-04-30−¥168m
—segment totalrevenue2025-11-01 → 2026-04-30¥15.1bn
—segment totalrevenue external2025-11-01 → 2026-04-30¥15.1bn
—segment totalsegment profit2025-11-01 → 2026-04-30¥533m
Electronicsreportable segmentrevenue2024-11-01 → 2025-04-30¥6.7bn
Electronicsreportable segmentrevenue external2024-11-01 → 2025-04-30¥6.7bn
Electronicsreportable segmentsegment profit2024-11-01 → 2025-04-30¥1.4bn
Optical Productsreportable segmentrevenue2024-11-01 → 2025-04-30¥7.1bn
Optical Productsreportable segmentrevenue external2024-11-01 → 2025-04-30¥7.1bn
Optical Productsreportable segmentsegment profit2024-11-01 → 2025-04-30−¥388m
—segment totalrevenue2024-11-01 → 2025-04-30¥13.8bn
—segment totalrevenue external2024-11-01 → 2025-04-30¥13.8bn
—segment totalsegment profit2024-11-01 → 2025-04-30¥1.1bn

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

All source rows · 544
ItemContextValueUnit
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)セイコーインスツル株式会社
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)千葉県千葉市美浜区中瀬1-8
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)オリンパス株式会社
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都八王子市石川町2951
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)オハラ従業員持株会
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)神奈川県相模原市中央区小山1-15-30
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)若林 敬三
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)東京都目黒区
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1-8-12
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_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember-
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)株式会社オハラ
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)神奈川県相模原市中央区小山1-15-30
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
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 when there is significant changes in amounts of equity (text)Prior1InterimDurationText · Plus
Notes regarding dividend (text)InterimDurationText · Plus
Notes when there is significant changes in amounts of equity (text)InterimDurationText · Plus
Notes segment information etc type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Footnotes regarding segment information table (text)Prior1InterimDurationText · Plus
Information about impairment loss of non current assets or goodwill etc for each reportable segment (text)Prior1InterimDurationText · Plus
Footnotes regarding segment information table (text)InterimDurationText · Plus
Information about impairment loss of non current assets or goodwill etc for each reportable segment (text)InterimDurationText · Plus
Notes revenue recognition semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes per share information semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes significant events after reporting period semi annual consolidated financial statements (text)InterimDurationText · Plus
Other information consolidated financial statements etc (text)InterimDurationText · Plus
Information about company which provides guarantee to reporting company (text)FilingDateInstantText · 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 2025-10-31pass
balance sheet identityconsolidated 2026-04-30pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-10-31pass
statement vs summary · net assetsconsolidated 2026-04-30pass
statement vs summary · net income attributable to parentconsolidated 2024-11-01/2025-04-30pass
statement vs summary · net income attributable to parentconsolidated 2025-11-01/2026-04-30pass
statement vs summary · operating cash flowconsolidated 2024-11-01/2025-04-30pass
statement vs summary · operating cash flowconsolidated 2025-11-01/2026-04-30pass
statement vs summary · revenueconsolidated 2024-11-01/2025-04-30pass
statement vs summary · revenueconsolidated 2025-11-01/2026-04-30pass
statement vs summary · total assetsconsolidated 2025-10-31pass
statement vs summary · total assetsconsolidated 2026-04-30pass