# 【表紙】

【提出書類】 | 有価証券報告書
【根拠条文】 | 金融商品取引法第24条第１項
【提出先】 | 関東財務局長
【提出日】 | 2025年６月26日
【事業年度】 | 第80期（自　2024年４月１日　至　2025年３月31日）
【会社名】 | リバーエレテック株式会社
【英訳名】 | RIVER ELETEC CORPORATION
【代表者の役職氏名】 | 代表取締役社長　　萩原　義久
【本店の所在の場所】 | 山梨県韮崎市富士見ヶ丘二丁目１番11号
【電話番号】 | （０５５１）２２－１２１１（代表）
【事務連絡者氏名】 | 執行役員総務本部長　　天野　伸幸
【最寄りの連絡場所】 | 山梨県韮崎市富士見ヶ丘二丁目１番11号
【電話番号】 | （０５５１）２２－１２１１（代表）
【事務連絡者氏名】 | 執行役員総務本部長　　天野　伸幸
【縦覧に供する場所】 | 株式会社東京証券取引所 （東京都中央区日本橋兜町２番１号）

E02093 66660 リバーエレテック株式会社 RIVER ELETEC CORPORATION 企業内容等の開示に関する内閣府令 第三号様式 Japan GAAP true CTE CTE 2024-04-01 2025-03-31 FY 2025-03-31 2023-04-01 2024-03-31 2024-03-31 1 false false false E02093-000 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E02093-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E02093-000 2025-03-31 jppfs_cor:ShareholdersEquityMember E02093-000 2025-03-31 jppfs_cor:CapitalStockMember E02093-000 2025-03-31 jppfs_cor:CapitalSurplusMember E02093-000 2025-03-31 jppfs_cor:RetainedEarningsMember E02093-000 2023-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E02093-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E02093-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:ShareholdersEquityMember E02093-000 2024-03-31 jppfs_cor:ShareholdersEquityMember E02093-000 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02093-000 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02093-000 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02093-000 2024-03-31 jppfs_cor:CapitalStockMember E02093-000 2024-03-31 jppfs_cor:CapitalSurplusMember E02093-000 2024-03-31 jppfs_cor:RetainedEarningsMember E02093-000 2024-03-31 jppfs_cor:TreasuryStockMember E02093-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E02093-000 2023-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02093-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E02093-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E02093-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E02093-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E02093-000 2024-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E02093-000 2024-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E02093-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E02093-000 2024-04-01 2025-03-31 jpcrp_cor:CorporateAuditorsExcludingOutsideCorporateAuditorsMember E02093-000 2024-04-01 2025-03-31 jpcrp_cor:DirectorsExcludingOutsideDirectorsMember E02093-000 2023-03-31 jppfs_cor:RetainedEarningsMember E02093-000 2023-03-31 jppfs_cor:TreasuryStockMember E02093-000 2023-03-31 jppfs_cor:ShareholdersEquityMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02093-000 2025-06-26 jpcrp_cor:Row5Member E02093-000 2025-06-26 jpcrp_cor:Row4Member E02093-000 2025-03-31 jpcrp_cor:OrdinaryShareMember E02093-000 2025-03-31 jpcrp_cor:SharesWithNoVotingRightsMember E02093-000 2025-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E02093-000 2025-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E02093-000 2025-03-31 jpcrp_cor:SharesWithFullVotingRightsTreasurySharesEtcMember E02093-000 2025-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsTreasurySharesEtcMember E02093-000 2025-03-31 jpcrp_cor:SharesWithFullVotingRightsOtherMember E02093-000 2025-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E02093-000 2025-03-31 jpcrp_cor:SharesLessThanOneUnitMember E02093-000 2025-03-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E02093-000 2025-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:ShareholdersEquityMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:CapitalStockMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:CapitalSurplusMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:RetainedEarningsMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:TreasuryStockMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:CapitalStockMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:CapitalSurplusMember E02093-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E02093-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E02093-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E02093-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E02093-000 2025-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E02093-000 2025-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E02093-000 2025-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E02093-000 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E02093-000 2025-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E02093-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E02093-000 2025-06-26 jpcrp_cor:OrdinaryShareMember E02093-000 2025-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2024-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2023-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2025-06-26 jpcrp_cor:Row3Member E02093-000 2025-06-26 jpcrp_cor:Row2Member E02093-000 2025-06-26 jpcrp_cor:Row1Member E02093-000 2024-04-01 2025-03-31 jpcrp_cor:OutsideDirectorsAndOtherOfficersMember E02093-000 2025-03-31 jpcrp030000-asr_E02093-000:CRYSTALDEVICEMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E02093-000 2025-03-31 jpcrp_cor:No7MajorShareholdersMember E02093-000 2025-03-31 jpcrp_cor:No8MajorShareholdersMember E02093-000 2025-03-31 jpcrp_cor:No9MajorShareholdersMember E02093-000 2025-03-31 jpcrp_cor:No10MajorShareholdersMember E02093-000 2025-03-31 jpcrp_cor:No6MajorShareholdersMember E02093-000 2025-03-31 jpcrp_cor:Row1Member E02093-000 2025-03-31 jpcrp_cor:Row2Member E02093-000 2025-03-31 jpcrp_cor:Row3Member E02093-000 2024-03-31 jpcrp_cor:Row1Member E02093-000 2025-06-26 jpcrp030000-asr_E02093-000:MondenRyutaroMember E02093-000 2025-06-26 jpcrp030000-asr_E02093-000:OshibaHirokiMember E02093-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E02093-000 2024-04-01 2025-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02093-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E02093-000 2023-04-01 2024-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02093-000 2023-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E02093-000 2025-06-26 E02093-000 2025-03-31 E02093-000 2024-04-01 2025-03-31 E02093-000 2024-03-31 E02093-000 2023-03-31 E02093-000 2022-04-01 2023-03-31 E02093-000 2022-03-31 E02093-000 2021-04-01 2022-03-31 E02093-000 2021-03-31 E02093-000 2020-04-01 2021-03-31 E02093-000 2023-04-01 2024-03-31 E02093-000 2025-06-26 jpcrp030000-asr_E02093-000:HorieRyotaMember E02093-000 2025-06-26 jpcrp030000-asr_E02093-000:WakaoFujioMember E02093-000 2025-06-26 jpcrp030000-asr_E02093-000:HagiharaYoshihisaMember E02093-000 2025-06-26 jpcrp030000-asr_E02093-000:TakadaYoshihiroMember E02093-000 2025-06-26 jpcrp030000-asr_E02093-000:AmemiyaMasatoMember E02093-000 2025-06-26 jpcrp030000-asr_E02093-000:TakeiYoshitakaMember E02093-000 2025-06-26 jpcrp030000-asr_E02093-000:NomuraYutakaMember E02093-000 2024-03-31 jpcrp_cor:Row2Member E02093-000 2024-03-31 jpcrp_cor:Row3Member E02093-000 2025-03-31 jpcrp_cor:No1MajorShareholdersMember E02093-000 2025-03-31 jpcrp_cor:No2MajorShareholdersMember E02093-000 2025-03-31 jpcrp_cor:No3MajorShareholdersMember E02093-000 2025-03-31 jpcrp_cor:No4MajorShareholdersMember E02093-000 2025-03-31 jpcrp_cor:No5MajorShareholdersMember E02093-000 2025-03-31 jppfs_cor:TreasuryStockMember E02093-000 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02093-000 2025-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02093-000 2023-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E02093-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E02093-000 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E02093-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2022-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2021-04-01 2022-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2021-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember E02093-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E02093-000 2023-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E02093-000 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E02093-000 2023-03-31 jppfs_cor:CapitalStockMember E02093-000 2023-03-31 jppfs_cor:CapitalSurplusMember xbrli:pure iso4217:JPY iso4217:JPY xbrli:shares xbrli:shares