# 【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19日
【事業年度】 | 第78期(自　2024年4月1日　至　2025年3月31日)
【会社名】 | ＩＤＥＣ株式会社
【英訳名】 | IDEC CORPORATION
【代表者の役職氏名】 | 代表取締役会長兼社長　　舩木　俊之
【本店の所在の場所】 | 大阪府大阪市淀川区西宮原2丁目6番64号
【電話番号】 | 大阪　(06)6398－2500番　(代表)
【事務連絡者氏名】 | 経営戦略企画本部長　　小川　泰幸
【最寄りの連絡場所】 | 大阪府大阪市淀川区西宮原2丁目6番64号
【電話番号】 | 大阪　(06)6398－2500番　(代表)
【事務連絡者氏名】 | 経営戦略企画本部長　　小川　泰幸
【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)

E01951 66520 ＩＤＥＣ株式会社 IDEC 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 E01951-000 2024-03-31 jpcrp030000-asr_E01951-000:EMEAReportableSegmentsMember E01951-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01951-000:EMEAReportableSegmentsMember E01951-000 2025-03-31 jpcrp030000-asr_E01951-000:AmericaReportableSegmentsMember E01951-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01951-000:AmericaReportableSegmentsMember E01951-000 2024-03-31 jpcrp030000-asr_E01951-000:AmericaReportableSegmentsMember E01951-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01951-000:AmericaReportableSegmentsMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2025-03-31 jpcrp_cor:OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember E01951-000 2025-03-31 jpcrp_cor:Row1Member E01951-000 2025-03-31 jpcrp_cor:Row2Member E01951-000 2023-04-01 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01951-000 2023-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2022-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2021-04-01 2022-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01951-000 2025-06-19 jpcrp_cor:Row6Member E01951-000 2025-06-19 jpcrp_cor:Row5Member E01951-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01951-000:FunakiMikioMember E01951-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01951-000:FunakiToshiyukiMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01951-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01951-000:JapanReportableSegmentsMember E01951-000 2025-03-31 jpcrp030000-asr_E01951-000:JapanReportableSegmentsMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:KanaiMichikoMember E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:YamamotoTakujiMember E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:KobayashiHiroshiMember E01951-000 2025-06-19 jpcrp_cor:Row1Member E01951-000 2025-06-19 jpcrp_cor:Row2Member E01951-000 2025-06-19 jpcrp_cor:Row3Member E01951-000 2025-06-19 jpcrp_cor:Row4Member E01951-000 2024-04-01 2025-03-31 jpcrp_cor:DirectorsExcludingAuditAndSupervisoryCommitteeMembersAndOutsideDirectorsMember E01951-000 2024-04-01 2025-03-31 jpcrp_cor:DirectorsAppointedAsAuditAndSupervisoryCommitteeMembersExcludingOutsideDirectorsMember E01951-000 2024-04-01 2025-03-31 jpcrp_cor:OutsideDirectorsMember E01951-000 2025-03-31 jpcrp_cor:No7MajorShareholdersMember E01951-000 2025-03-31 jpcrp_cor:No6MajorShareholdersMember E01951-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2021-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:FunakiMikioMember E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:FunakiToshiyukiMember E01951-000 2025-03-31 jpcrp_cor:SharesWithFullVotingRightsOtherMember E01951-000 2025-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E01951-000 2025-03-31 jpcrp_cor:SharesLessThanOneUnitMember E01951-000 2025-03-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01951-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E01951-000 2024-03-31 jpcrp_cor:ReportableSegmentsMember E01951-000 2023-04-01 2024-03-31 jpcrp_cor:ReconcilingItemsMember E01951-000 2023-04-01 2024-03-31 jpcrp_cor:ReportableSegmentsMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01951-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2025-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E01951-000 2025-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01951-000 2024-04-01 2025-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E01951-000 2023-04-01 2024-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E01951-000 2025-03-31 jpcrp_cor:No10MajorShareholdersMember E01951-000 2025-03-31 jpcrp_cor:No9MajorShareholdersMember E01951-000 2025-03-31 jpcrp_cor:No8MajorShareholdersMember E01951-000 2025-06-19 jpcrp_cor:OrdinaryShareMember E01951-000 2025-03-31 jpcrp_cor:OrdinaryShareMember E01951-000 2025-03-31 jpcrp_cor:SharesWithNoVotingRightsMember E01951-000 2025-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E01951-000 2025-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E01951-000 2025-03-31 jpcrp_cor:SharesWithFullVotingRightsTreasurySharesEtcMember E01951-000 2024-03-31 jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01951-000 2024-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01951-000 2023-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E01951-000 2023-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01951-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E01951-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01951-000:JapanReportableSegmentsMember E01951-000 2025-03-31 jpcrp_cor:ReconcilingItemsMember E01951-000 2025-03-31 jpcrp_cor:ReportableSegmentsMember E01951-000 2024-04-01 2025-03-31 jpcrp_cor:ReconcilingItemsMember E01951-000 2024-04-01 2025-03-31 jpcrp_cor:ReportableSegmentsMember E01951-000 2024-03-31 jpcrp_cor:ReconcilingItemsMember E01951-000 2024-03-31 jpcrp030000-asr_E01951-000:JapanReportableSegmentsMember E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:OkuboHideyukiMember E01951-000 2023-03-31 E01951-000 2022-04-01 2023-03-31 E01951-000 2022-03-31 E01951-000 2021-04-01 2022-03-31 E01951-000 2021-03-31 E01951-000 2020-04-01 2021-03-31 E01951-000 2025-06-19 E01951-000 2025-03-31 E01951-000 2024-04-01 2025-03-31 E01951-000 2024-03-31 E01951-000 2023-04-01 2024-03-31 E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:SugiyamaMarikoMember E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:NakajimaEriMember E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:FunakiTakaoMember E01951-000 2025-06-19 jpcrp030000-asr_E01951-000:HimeiwaYasuoMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01951-000:JapanReportableSegmentsMember E01951-000 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01951-000 2023-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01951-000 2023-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01951-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01951-000 2023-03-31 jppfs_cor:ShareholdersEquityMember E01951-000 2023-03-31 jppfs_cor:TreasuryStockMember E01951-000 2023-03-31 jppfs_cor:RetainedEarningsMember E01951-000 2023-03-31 jppfs_cor:CapitalSurplusMember E01951-000 2023-03-31 jppfs_cor:CapitalStockMember E01951-000 2025-03-31 jpcrp030000-asr_E01951-000:AsiaAndPacificReportableSegmentsMember E01951-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01951-000:AsiaAndPacificReportableSegmentsMember E01951-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01951-000 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E01951-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E01951-000 2023-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01951-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E01951-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E01951-000 2023-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01951-000 2023-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember E01951-000 2025-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:NonConsolidatedMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E01951-000 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01951-000 2025-03-31 jpcrp_cor:No4MajorShareholdersMember E01951-000 2025-03-31 jpcrp_cor:No3MajorShareholdersMember E01951-000 2025-03-31 jpcrp_cor:No2MajorShareholdersMember E01951-000 2025-03-31 jpcrp_cor:No1MajorShareholdersMember E01951-000 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01951-000 2025-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01951-000 2025-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01951-000 2025-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01951-000 2025-03-31 jppfs_cor:ShareholdersEquityMember E01951-000 2025-03-31 jppfs_cor:TreasuryStockMember E01951-000 2025-03-31 jppfs_cor:RetainedEarningsMember E01951-000 2025-03-31 jppfs_cor:CapitalSurplusMember E01951-000 2025-03-31 jppfs_cor:CapitalStockMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:ShareholdersEquityMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:CapitalSurplusMember E01951-000 2025-03-31 jpcrp_cor:No5MajorShareholdersMember E01951-000 2023-04-01 2024-03-31 jppfs_cor:CapitalStockMember E01951-000 2023-03-31 jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2025-03-31 jpcrp030000-asr_E01951-000:EMEAReportableSegmentsMember E01951-000 2024-04-01 2025-03-31 jpcrp030000-asr_E01951-000:EMEAReportableSegmentsMember E01951-000 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01951-000 2024-03-31 jppfs_cor:ShareholdersEquityMember E01951-000 2024-03-31 jppfs_cor:TreasuryStockMember E01951-000 2024-03-31 jppfs_cor:RetainedEarningsMember E01951-000 2024-03-31 jppfs_cor:CapitalSurplusMember E01951-000 2024-03-31 jppfs_cor:CapitalStockMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:ShareholdersEquityMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:TreasuryStockMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:RetainedEarningsMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:CapitalSurplusMember E01951-000 2024-04-01 2025-03-31 jppfs_cor:CapitalStockMember E01951-000 2025-03-31 jppfs_cor:SubscriptionRightsToSharesMember E01951-000 2024-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E01951-000 2025-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E01951-000 2024-03-31 jpcrp030000-asr_E01951-000:AsiaAndPacificReportableSegmentsMember E01951-000 2023-04-01 2024-03-31 jpcrp030000-asr_E01951-000:AsiaAndPacificReportableSegmentsMember E01951-000 2025-06-19 jpcrp_cor:Row7Member E01951-000 2025-06-19 jpcrp_cor:Row8Member iso4217:JPY xbrli:shares iso4217:JPY xbrli:shares xbrli:pure