# 【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】 | 2024年６月27日
【事業年度】 | 第99期（自　2023年４月１日　至　2024年３月31日）
【会社名】 | 日本ゼオン株式会社
【英訳名】 | ZEON CORPORATION
【代表者の役職氏名】 | 代表取締役社長　　豊嶋　哲也
【本店の所在の場所】 | 東京都千代田区丸の内一丁目６番２号
【電話番号】 | ０３（３２１６）１４１２
【事務連絡者氏名】 | 取締役常務執行役員　　曽根　芳之
【最寄りの連絡場所】 | 東京都千代田区丸の内一丁目６番２号
【電話番号】 | ０３（３２１６）１４１２
【事務連絡者氏名】 | 取締役常務執行役員　　曽根　芳之
【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）

E00821 42050 日本ゼオン株式会社 ZEON 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 2023-04-01 2024-03-31 FY 2024-03-31 2022-04-01 2023-03-31 2023-03-31 1 false false false E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:NakamuraMasayoshiMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:TanabuMiyukiMember E00821-000 2024-03-31 jpcrp030000-asr_E00821-000:ElastomerReportableSegmentsMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:RetainedEarningsMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:TreasuryStockMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E00821-000 2023-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E00821-000 2023-03-31 jppfs_cor:CapitalSurplusMember E00821-000 2023-03-31 jppfs_cor:RetainedEarningsMember E00821-000 2023-03-31 jppfs_cor:TreasuryStockMember E00821-000 2023-03-31 jppfs_cor:ShareholdersEquityMember E00821-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E00821-000 2023-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E00821-000 2023-03-31 jpcrp030000-asr_E00821-000:ElastomerReportableSegmentsMember E00821-000 2023-03-31 jpcrp030000-asr_E00821-000:SpecialtyMaterialReportableSegmentsMember E00821-000 2023-03-31 jpcrp_cor:ReportableSegmentsMember E00821-000 2024-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E00821-000 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E00821-000 2024-03-31 jppfs_cor:ShareholdersEquityMember E00821-000 2024-03-31 jppfs_cor:CapitalStockMember E00821-000 2024-03-31 jppfs_cor:CapitalSurplusMember E00821-000 2024-03-31 jppfs_cor:TreasuryStockMember E00821-000 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E00821-000 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E00821-000 2024-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E00821-000 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E00821-000 2024-03-31 jppfs_cor:RetainedEarningsMember E00821-000 2024-03-31 jpcrp_cor:OrdinaryShareMember E00821-000 2024-03-31 jppfs_cor:SubscriptionRightsToSharesMember E00821-000 2024-03-31 jppfs_cor:NonControllingInterestsMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:CapitalStockMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:MatsuuraKazuyoshiMember E00821-000 2024-03-31 jpcrp_cor:No7MajorShareholdersMember E00821-000 2024-03-31 jpcrp_cor:No8MajorShareholdersMember E00821-000 2024-03-31 jpcrp_cor:No9MajorShareholdersMember E00821-000 2024-03-31 jpcrp_cor:No10MajorShareholdersMember E00821-000 2022-04-01 2023-03-31 jpcrp_cor:ReconcilingItemsMember E00821-000 2022-04-01 2023-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E00821-000 2022-04-01 2023-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E00821-000 2023-03-31 jpcrp_cor:ReconcilingItemsMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:CapitalSurplusMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:RetainedEarningsMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:CapitalStockMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:TreasuryStockMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:ShareholdersEquityMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:CapitalSurplusMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:SubscriptionRightsToSharesMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonControllingInterestsMember E00821-000 2023-03-31 jpcrp_cor:Row40Member E00821-000 2024-03-31 jpcrp_cor:Row40Member E00821-000 2023-03-31 jpcrp_cor:Row39Member E00821-000 2024-03-31 jpcrp_cor:Row39Member E00821-000 2024-03-31 jpcrp_cor:SharesWithNoVotingRightsMember E00821-000 2024-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E00821-000 2023-04-01 2024-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E00821-000 2023-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E00821-000 2023-03-31 jppfs_cor:SubscriptionRightsToSharesMember E00821-000 2023-03-31 jppfs_cor:NonControllingInterestsMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E00821-000 2022-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:SubscriptionRightsToSharesMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonControllingInterestsMember E00821-000 2024-06-27 jpcrp_cor:Row7Member E00821-000 2024-06-27 jpcrp_cor:Row6Member E00821-000 2024-06-27 jpcrp_cor:Row5Member E00821-000 2023-03-31 jpcrp_cor:Row49Member E00821-000 2024-03-31 jpcrp_cor:Row49Member E00821-000 2023-03-31 jpcrp_cor:Row48Member E00821-000 2024-03-31 jpcrp_cor:Row48Member E00821-000 2023-03-31 jpcrp_cor:Row47Member E00821-000 2024-03-31 jpcrp_cor:Row47Member E00821-000 2023-03-31 jpcrp_cor:Row46Member E00821-000 2024-03-31 jpcrp_cor:Row46Member E00821-000 2023-03-31 jpcrp_cor:Row45Member E00821-000 2024-03-31 jpcrp_cor:Row45Member E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E00821-000 2022-04-01 2023-03-31 jpcrp030000-asr_E00821-000:ElastomerReportableSegmentsMember E00821-000 2022-04-01 2023-03-31 jpcrp030000-asr_E00821-000:SpecialtyMaterialReportableSegmentsMember E00821-000 2022-04-01 2023-03-31 jpcrp_cor:ReportableSegmentsMember E00821-000 2024-06-27 jpcrp_cor:Row1Member E00821-000 2024-06-27 jpcrp_cor:Row2Member E00821-000 2024-06-27 jpcrp_cor:Row3Member E00821-000 2024-06-27 jpcrp_cor:Row4Member E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:TanakaKimiakiMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:KitabataTakaoMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:HayashiSachioMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:IkenoFumiakiMember E00821-000 2023-03-31 jpcrp_cor:Row44Member E00821-000 2024-03-31 jpcrp_cor:Row44Member E00821-000 2023-03-31 jpcrp_cor:Row43Member E00821-000 2024-03-31 jpcrp_cor:Row43Member E00821-000 2023-03-31 jpcrp_cor:Row42Member E00821-000 2024-03-31 jpcrp_cor:Row42Member E00821-000 2023-03-31 jpcrp_cor:Row41Member E00821-000 2024-03-31 jpcrp_cor:Row41Member E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:KimuraHirokiMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:SubscriptionRightsToSharesMember jppfs_cor:NonConsolidatedMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:NagumoTadanobuMember E00821-000 2024-03-31 jpcrp_cor:Row13Member E00821-000 2024-03-31 jpcrp_cor:Row14Member E00821-000 2024-03-31 jpcrp_cor:Row15Member E00821-000 2024-03-31 jpcrp_cor:Row16Member E00821-000 2024-03-31 jpcrp_cor:Row17Member E00821-000 2024-03-31 jpcrp_cor:Row18Member E00821-000 2024-03-31 jpcrp_cor:Row19Member E00821-000 2024-03-31 jpcrp_cor:Row20Member E00821-000 2024-03-31 jpcrp_cor:Row21Member E00821-000 2024-03-31 jpcrp_cor:Row22Member E00821-000 2024-03-31 jpcrp_cor:Row23Member E00821-000 2023-04-01 2024-03-31 jpcrp030000-asr_E00821-000:SpecialtyMaterialReportableSegmentsMember E00821-000 2023-04-01 2024-03-31 jpcrp030000-asr_E00821-000:ElastomerReportableSegmentsMember E00821-000 2023-04-01 2024-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E00821-000 2022-04-01 2023-03-31 jpcrp_cor:UnallocatedAmountsAndEliminationMember E00821-000 2024-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E00821-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E00821-000 2024-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E00821-000 2024-03-31 jppfs_cor:ReserveForReductionEntry1Member jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jppfs_cor:SubscriptionRightsToSharesMember jppfs_cor:NonConsolidatedMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jpcrp_cor:CorporateSharedMember E00821-000 2023-04-01 2024-03-31 jpcrp030000-asr_E00821-000:TanakaKimiakiMember E00821-000 2024-03-31 jpcrp_cor:Row24Member E00821-000 2024-03-31 jpcrp_cor:Row25Member E00821-000 2024-03-31 jpcrp_cor:Row26Member E00821-000 2024-03-31 jpcrp_cor:Row27Member E00821-000 2024-03-31 jpcrp_cor:Row28Member E00821-000 2022-03-31 jppfs_cor:CapitalStockMember E00821-000 2022-03-31 jppfs_cor:CapitalSurplusMember E00821-000 2022-03-31 jppfs_cor:RetainedEarningsMember E00821-000 2022-03-31 jppfs_cor:TreasuryStockMember E00821-000 2022-03-31 jppfs_cor:ShareholdersEquityMember E00821-000 2022-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E00821-000 2022-03-31 jppfs_cor:DeferredGainsOrLossesOnHedgesMember E00821-000 2022-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E00821-000 2022-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E00821-000 2024-03-31 jpcrp_cor:No1MajorShareholdersMember E00821-000 2024-03-31 jpcrp_cor:No2MajorShareholdersMember E00821-000 2024-03-31 jpcrp_cor:No3MajorShareholdersMember E00821-000 2024-03-31 jpcrp_cor:No4MajorShareholdersMember E00821-000 2024-03-31 jpcrp_cor:No5MajorShareholdersMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E00821-000 2022-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2021-04-01 2022-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2021-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2020-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2023-04-01 2024-03-31 jpcrp_cor:ReconcilingItemsMember E00821-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember E00821-000 2024-03-31 jpcrp_cor:No6MajorShareholdersMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E00821-000 2024-03-31 jpcrp_cor:Row35Member E00821-000 2023-03-31 jpcrp_cor:Row34Member E00821-000 2024-03-31 jpcrp_cor:Row34Member E00821-000 2023-03-31 jpcrp_cor:Row33Member E00821-000 2024-03-31 jpcrp_cor:Row33Member E00821-000 2023-03-31 jpcrp_cor:Row32Member E00821-000 2024-03-31 jpcrp_cor:Row32Member E00821-000 2023-03-31 jpcrp_cor:Row31Member E00821-000 2024-03-31 jpcrp_cor:Row31Member E00821-000 2022-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E00821-000 2023-03-31 jpcrp_cor:Row4Member E00821-000 2023-03-31 jpcrp_cor:Row38Member E00821-000 2024-03-31 jpcrp_cor:Row38Member E00821-000 2023-03-31 jpcrp_cor:Row37Member E00821-000 2024-03-31 jpcrp_cor:Row37Member E00821-000 2023-03-31 jpcrp_cor:Row36Member E00821-000 2023-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:ReserveForReductionEntry1Member jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E00821-000 2023-03-31 jppfs_cor:SubscriptionRightsToSharesMember jppfs_cor:NonConsolidatedMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:ShareholdersEquityMember E00821-000 2023-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ReserveForReductionEntry1Member E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E00821-000 2023-04-01 2024-03-31 jpcrp_cor:CorporateAuditorsExcludingOutsideCorporateAuditorsMember E00821-000 2023-04-01 2024-03-31 jpcrp_cor:OutsideDirectorsAndOtherOfficersMember E00821-000 2024-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E00821-000 2024-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E00821-000 2024-03-31 jpcrp_cor:ReportableSegmentsMember E00821-000 2024-03-31 jpcrp030000-asr_E00821-000:SpecialtyMaterialReportableSegmentsMember E00821-000 2020-04-01 2021-03-31 E00821-000 2020-03-31 E00821-000 2019-04-01 2020-03-31 E00821-000 2023-04-01 2024-03-31 E00821-000 2021-03-31 E00821-000 2024-06-27 E00821-000 2024-03-31 E00821-000 2023-03-31 E00821-000 2022-04-01 2023-03-31 E00821-000 2022-03-31 E00821-000 2021-04-01 2022-03-31 E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:TetsuyaTOYOSHIMAMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:YoshiyukiSONEMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:ErisaWATANABEMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:YuichiroKONISHIMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:AkiyamaMikiMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:MasumiSaekoMember E00821-000 2024-06-27 jpcrp030000-asr_E00821-000:NishijimaToruMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E00821-000 2023-04-01 2024-03-31 jpcrp_cor:CorporateSharedMember E00821-000 2024-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E00821-000:ElastomerReportableSegmentsMember E00821-000 2024-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E00821-000:SpecialtyMaterialReportableSegmentsMember E00821-000 2024-03-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E00821-000 2024-03-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:CorporateSharedMember E00821-000 2024-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E00821-000 2024-03-31 jpcrp_cor:SharesWithFullVotingRightsTreasurySharesEtcMember E00821-000 2024-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsTreasurySharesEtcMember E00821-000 2024-03-31 jpcrp_cor:SharesWithFullVotingRightsOtherMember E00821-000 2024-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E00821-000 2024-03-31 jpcrp_cor:SharesLessThanOneUnitMember E00821-000 2024-03-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E00821-000 2024-06-27 jpcrp_cor:OrdinaryShareMember E00821-000 2023-04-01 2024-03-31 jpcrp_cor:DirectorsExcludingOutsideDirectorsMember E00821-000 2024-03-31 jpcrp_cor:ReconcilingItemsMember E00821-000 2024-03-31 jpcrp_cor:Row5Member E00821-000 2024-03-31 jpcrp_cor:Row6Member E00821-000 2024-03-31 jpcrp_cor:Row7Member E00821-000 2024-03-31 jpcrp_cor:Row8Member E00821-000 2024-03-31 jpcrp_cor:Row9Member E00821-000 2024-03-31 jpcrp_cor:Row10Member E00821-000 2024-03-31 jpcrp_cor:Row11Member E00821-000 2024-03-31 jpcrp_cor:Row12Member E00821-000 2024-03-31 jpcrp_cor:Row1Member E00821-000 2024-03-31 jpcrp_cor:Row2Member E00821-000 2023-04-01 2024-03-31 jpcrp030000-asr_E00821-000:TetsuyaTOYOSHIMAMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E00821-000 2024-03-31 jpcrp_cor:Row29Member E00821-000 2024-03-31 jpcrp_cor:Row30Member E00821-000 2023-03-31 jpcrp_cor:Row5Member E00821-000 2023-03-31 jpcrp_cor:Row6Member E00821-000 2023-03-31 jpcrp_cor:Row7Member E00821-000 2023-03-31 jpcrp_cor:Row8Member E00821-000 2023-03-31 jpcrp_cor:Row9Member E00821-000 2023-03-31 jpcrp_cor:Row10Member E00821-000 2023-03-31 jpcrp_cor:Row11Member E00821-000 2023-03-31 jpcrp_cor:Row12Member E00821-000 2023-03-31 jpcrp_cor:Row13Member E00821-000 2023-03-31 jpcrp_cor:Row14Member E00821-000 2023-03-31 jpcrp_cor:Row15Member E00821-000 2023-03-31 jpcrp_cor:Row16Member E00821-000 2023-03-31 jpcrp_cor:Row17Member E00821-000 2023-03-31 jpcrp_cor:Row18Member E00821-000 2023-03-31 jpcrp_cor:Row19Member E00821-000 2023-03-31 jpcrp_cor:Row20Member E00821-000 2023-03-31 jpcrp_cor:Row21Member E00821-000 2023-03-31 jpcrp_cor:Row22Member E00821-000 2023-03-31 jpcrp_cor:Row23Member E00821-000 2023-03-31 jpcrp_cor:Row24Member E00821-000 2023-03-31 jpcrp_cor:Row25Member E00821-000 2023-03-31 jpcrp_cor:Row26Member E00821-000 2023-03-31 jpcrp_cor:Row27Member E00821-000 2023-03-31 jpcrp_cor:Row28Member E00821-000 2023-03-31 jpcrp_cor:Row29Member E00821-000 2023-03-31 jpcrp_cor:Row30Member E00821-000 2023-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E00821-000 2024-03-31 jpcrp_cor:Row3Member E00821-000 2024-03-31 jpcrp_cor:Row4Member E00821-000 2023-03-31 jpcrp_cor:Row1Member E00821-000 2023-03-31 jpcrp_cor:Row2Member E00821-000 2023-03-31 jpcrp_cor:Row3Member E00821-000 2023-04-01 2024-03-31 jpcrp_cor:OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember E00821-000 2023-04-01 2024-03-31 jpcrp_cor:ReportableSegmentsMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E00821-000 2024-03-31 jpcrp_cor:Row36Member E00821-000 2023-03-31 jpcrp_cor:Row35Member E00821-000 2022-03-31 jppfs_cor:SubscriptionRightsToSharesMember E00821-000 2022-03-31 jppfs_cor:NonControllingInterestsMember E00821-000 2023-03-31 jppfs_cor:CapitalStockMember E00821-000 2023-04-01 2024-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E00821-000 2023-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E00821-000 2022-04-01 2023-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E00821-000 2022-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember iso4217:JPY xbrli:shares iso4217:JPY xbrli:shares xbrli:pure