Half-year report · HY

Period2025-10-01 → 2026-03-31
Filed2026-05-15
StandardJapan GAAP
ConsolidatedYes
Data checks13 of 14 passed
Key figures · 43
MetricValuePeriodScopeSource row
Revenue¥5.8bn2025-10-01 → 2026-03-31Cons.Net sales
Revenue¥7.0bn2024-12-01 → 2025-09-30Cons.Net sales (5-year summary)
Revenue¥4.2bn2024-12-01 → 2025-05-31Cons.Net sales
Operating income¥1.8bn2025-10-01 → 2026-03-31Cons.Operating income
Operating income¥760m2024-12-01 → 2025-05-31Cons.Operating income
Ordinary income¥1.9bn2025-10-01 → 2026-03-31Cons.Ordinary income
Ordinary income¥979m2024-12-01 → 2025-09-30Cons.Ordinary income loss (5-year summary)
Ordinary income¥825m2024-12-01 → 2025-05-31Cons.Ordinary income
Profit before tax¥1.8bn2025-10-01 → 2026-03-31Cons.Income before income taxes
Profit before tax¥825m2024-12-01 → 2025-05-31Cons.Income before income taxes
Net income (owners)¥1.3bn2025-10-01 → 2026-03-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥825m2024-12-01 → 2025-09-30Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥589m2024-12-01 → 2025-05-31Cons.Profit loss attributable to owners of parent
Net income¥1.3bn2025-10-01 → 2026-03-31Cons.Profit loss
Net income¥589m2024-12-01 → 2025-05-31Cons.Profit loss
Total assets¥16.7bnat 2026-03-31Cons.Assets
Total assets¥14.5bnat 2025-09-30Cons.Assets
Total assets¥14.3bnat 2025-05-31Cons.Total assets (5-year summary)
Total liabilities¥3.4bnat 2026-03-31Cons.Liabilities
Total liabilities¥2.5bnat 2025-09-30Cons.Liabilities
Net assets / equity¥13.3bnat 2026-03-31Cons.Net assets
Net assets / equity¥12.0bnat 2025-09-30Cons.Net assets
Net assets / equity¥11.8bnat 2025-05-31Cons.Net assets (5-year summary)
Cash and deposits¥4.6bnat 2026-03-31Cons.Cash and deposits
Cash and deposits¥4.9bnat 2025-09-30Cons.Cash and deposits
Cash & equivalents¥4.4bnat 2026-03-31Cons.Cash and cash equivalents
Cash & equivalents¥4.8bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥4.5bnat 2025-05-31Cons.Cash and cash equivalents
Operating cash flow−¥105m2025-10-01 → 2026-03-31Cons.Net cash provided by used in operating activities
Operating cash flow¥698m2024-12-01 → 2025-09-30Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥469m2024-12-01 → 2025-05-31Cons.Net cash provided by used in operating activities
Investing cash flow−¥1.0bn2025-10-01 → 2026-03-31Cons.Net cash provided by used in investment activities
Investing cash flow¥196m2024-12-01 → 2025-09-30Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥66m2024-12-01 → 2025-05-31Cons.Net cash provided by used in investment activities
Financing cash flow¥779m2025-10-01 → 2026-03-31Cons.Net cash provided by used in financing activities
Financing cash flow−¥392m2024-12-01 → 2025-09-30Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥236m2024-12-01 → 2025-05-31Cons.Net cash provided by used in financing activities
EPS (basic)¥805.052025-10-01 → 2026-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥514.992024-12-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥367.782024-12-01 → 2025-05-31Cons.Basic earnings loss per share (5-year summary)
Equity ratio79.3%at 2026-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio82.5%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio82.4%at 2025-05-31Cons.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.

All source rows · 473
ItemContextValueUnit
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)岡野商事株式会社
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)北九州市門司港町1番8号
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)岡野正敏
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)北九州市門司区
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)岡野バルブ取引先持株会
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)北九州市門司区中町1番14号
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京都中央区晴海1丁目8番12号
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)株式会社北九州銀行(常任代理人 日本マスタートラスト信託銀行株式会社)
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)北九州市小倉北区堺町1丁目1番10号(東京都港区赤坂1丁目8番1号赤坂インターシティAIR)
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)株式会社福岡銀行
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)福岡市中央区天神2丁目13番1号
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)岡野正紀
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都世田谷区
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)岡野バルブ社員持株会
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)北九州市門司区中町1番14号
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)木多康昭
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)東京都足立区
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)INTERRACTIVE BROKERS LLC(常任代理人 インタラクティブ・ブローカーズ証券株式会社)
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)岡野バルブ製造㈱
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)北九州市門司区中町1番14号

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 · 13 of 14 passed
balance sheet identityconsolidated 2025-09-30pass
balance sheet identityconsolidated 2026-03-31pass
dei present pass
period resolution partial
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net assetsconsolidated 2026-03-31pass
statement vs summary · net income attributable to parentconsolidated 2024-12-01/2025-05-31pass
statement vs summary · net income attributable to parentconsolidated 2025-10-01/2026-03-31pass
statement vs summary · operating cash flowconsolidated 2024-12-01/2025-05-31pass
statement vs summary · operating cash flowconsolidated 2025-10-01/2026-03-31pass
statement vs summary · revenueconsolidated 2024-12-01/2025-05-31pass
statement vs summary · revenueconsolidated 2025-10-01/2026-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass
statement vs summary · total assetsconsolidated 2026-03-31pass