【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】 | 2021年６月25日
【事業年度】 | 第138期（自　2020年４月１日　至　2021年３月31日）
【会社名】 | 日本信号株式会社
【英訳名】 | Nippon Signal Co., Ltd.
【代表者の役職氏名】 | 代表取締役社長　　塚本　英彦
【本店の所在の場所】 | 東京都千代田区丸の内一丁目５番１号　新丸の内ビルディング内
【電話番号】 | 03（3217）7200
【事務連絡者氏名】 | 財務部長　　町山　新一
【最寄りの連絡場所】 | 東京都千代田区丸の内一丁目５番１号　新丸の内ビルディング内
【電話番号】 | 03（3217）7200
【事務連絡者氏名】 | 財務部長　　町山　新一
【縦覧に供する場所】 | 日本信号株式会社　大阪支社 （大阪府大阪市北区小松原町２番４号　大阪富国生命ビル） 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）

E01769 67410 日本信号株式会社 The Nippon Signal Co., Ltd. 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 2020-04-01 2021-03-31 FY 2021-03-31 2019-04-01 2020-03-31 2020-03-31 1 false false false E01769-000 2021-06-25 E01769-000 2016-04-01 2017-03-31 E01769-000 2017-04-01 2018-03-31 E01769-000 2018-04-01 2019-03-31 E01769-000 2019-04-01 2020-03-31 E01769-000 2020-04-01 2021-03-31 E01769-000 2017-03-31 E01769-000 2018-03-31 E01769-000 2019-03-31 E01769-000 2020-03-31 E01769-000 2021-03-31 E01769-000 2016-04-01 2017-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2017-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2018-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jpcrp030000-asr_E01769-000:TrafficAndTransportationInfrastructureDivisionReportableSegmentsMember E01769-000 2021-03-31 jpcrp030000-asr_E01769-000:ICTSolutionsDivisionReportableSegmentsMember E01769-000 2021-03-31 jpcrp_cor:ReportableSegmentsMember E01769-000 2021-03-31 jpcrp_cor:CorporateSharedMember E01769-000 2021-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01769-000:TrafficAndTransportationInfrastructureDivisionReportableSegmentsMember E01769-000 2021-03-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E01769-000:ICTSolutionsDivisionReportableSegmentsMember E01769-000 2021-03-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:ReportableSegmentsMember E01769-000 2021-03-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:CorporateSharedMember E01769-000 2020-04-01 2021-03-31 jpcrp030000-asr_E01769-000:TrafficAndTransportationInfrastructureDivisionReportableSegmentsMember E01769-000 2020-04-01 2021-03-31 jpcrp030000-asr_E01769-000:ICTSolutionsDivisionReportableSegmentsMember E01769-000 2020-04-01 2021-03-31 jpcrp_cor:CorporateSharedMember E01769-000 2021-06-25 jpcrp_cor:OrdinaryShareMember E01769-000 2021-03-31 jpcrp_cor:OrdinaryShareMember E01769-000 2021-03-31 jpcrp_cor:No1MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:No2MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:No3MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:No4MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:No5MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:No6MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:No7MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:No8MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:No9MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:No10MajorShareholdersMember E01769-000 2021-03-31 jpcrp_cor:SharesWithNoVotingRightsMember E01769-000 2021-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E01769-000 2021-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E01769-000 2021-03-31 jpcrp_cor:OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember E01769-000 2021-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E01769-000 2021-03-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E01769-000 2021-03-31 jpcrp_cor:Row1Member E01769-000 2021-06-25 jpcrp_cor:Row1Member E01769-000 2021-06-25 jpcrp_cor:Row2Member E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:FuruhataYoheiMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:TsukamotoHidehikoMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:FujiwaraTakeshiMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:OshimaHideoMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:KuboMasahiroMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:SakaiMasayoshiMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:MatsumotoYasukoMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:InoueYurikoMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:MurataYoshiyukiMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:TokubuchiYoshitakaMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:ShiokawaMikioMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:TamagawaMasayukiMember E01769-000 2021-06-25 jpcrp030000-asr_E01769-000:ShimuraNaokoMember E01769-000 2021-06-25 jpcrp_cor:Row3Member E01769-000 2021-06-25 jpcrp_cor:Row4Member E01769-000 2021-06-25 jpcrp_cor:Row5Member E01769-000 2021-06-25 jpcrp_cor:Row6Member E01769-000 2021-06-25 jpcrp_cor:Row7Member E01769-000 2020-04-01 2021-03-31 jpcrp030000-asr_E01769-000:DirectorsMember E01769-000 2020-04-01 2021-03-31 jpcrp_cor:OutsideDirectorsMember E01769-000 2020-04-01 2021-03-31 jpcrp030000-asr_E01769-000:CorporateAuditorsMember E01769-000 2020-04-01 2021-03-31 jpcrp_cor:OutsideCorporateAuditorsMember E01769-000 2020-03-31 jpcrp_cor:Row1Member E01769-000 2021-03-31 jpcrp_cor:Row2Member E01769-000 2020-03-31 jpcrp_cor:Row2Member E01769-000 2021-03-31 jpcrp_cor:Row3Member E01769-000 2020-03-31 jpcrp_cor:Row3Member E01769-000 2021-03-31 jpcrp_cor:Row4Member E01769-000 2020-03-31 jpcrp_cor:Row4Member E01769-000 2021-03-31 jpcrp_cor:Row5Member E01769-000 2020-03-31 jpcrp_cor:Row5Member E01769-000 2021-03-31 jpcrp_cor:Row6Member E01769-000 2020-03-31 jpcrp_cor:Row6Member E01769-000 2021-03-31 jpcrp_cor:Row7Member E01769-000 2020-03-31 jpcrp_cor:Row7Member E01769-000 2021-03-31 jpcrp_cor:Row8Member E01769-000 2020-03-31 jpcrp_cor:Row8Member E01769-000 2021-03-31 jpcrp_cor:Row9Member E01769-000 2020-03-31 jpcrp_cor:Row9Member E01769-000 2021-03-31 jpcrp_cor:Row10Member E01769-000 2020-03-31 jpcrp_cor:Row10Member E01769-000 2021-03-31 jpcrp_cor:Row11Member E01769-000 2020-03-31 jpcrp_cor:Row11Member E01769-000 2021-03-31 jpcrp_cor:Row12Member E01769-000 2020-03-31 jpcrp_cor:Row12Member E01769-000 2021-03-31 jpcrp_cor:Row13Member E01769-000 2020-03-31 jpcrp_cor:Row13Member E01769-000 2021-03-31 jpcrp_cor:Row14Member E01769-000 2020-03-31 jpcrp_cor:Row14Member E01769-000 2021-03-31 jpcrp_cor:Row15Member E01769-000 2020-03-31 jpcrp_cor:Row15Member E01769-000 2021-03-31 jpcrp_cor:Row16Member E01769-000 2020-03-31 jpcrp_cor:Row16Member E01769-000 2021-03-31 jpcrp_cor:Row17Member E01769-000 2020-03-31 jpcrp_cor:Row17Member E01769-000 2021-03-31 jpcrp_cor:Row18Member E01769-000 2020-03-31 jpcrp_cor:Row18Member E01769-000 2021-03-31 jpcrp_cor:Row19Member E01769-000 2020-03-31 jpcrp_cor:Row19Member E01769-000 2021-03-31 jpcrp_cor:Row20Member E01769-000 2020-03-31 jpcrp_cor:Row20Member E01769-000 2021-03-31 jpcrp_cor:Row21Member E01769-000 2020-03-31 jpcrp_cor:Row21Member E01769-000 2021-03-31 jpcrp_cor:Row22Member E01769-000 2020-03-31 jpcrp_cor:Row22Member E01769-000 2021-03-31 jpcrp_cor:Row23Member E01769-000 2020-03-31 jpcrp_cor:Row23Member E01769-000 2021-03-31 jpcrp_cor:Row24Member E01769-000 2020-03-31 jpcrp_cor:Row24Member E01769-000 2021-03-31 jpcrp_cor:Row25Member E01769-000 2020-03-31 jpcrp_cor:Row25Member E01769-000 2021-03-31 jpcrp_cor:Row26Member E01769-000 2020-03-31 jpcrp_cor:Row26Member E01769-000 2021-03-31 jpcrp_cor:Row27Member E01769-000 2020-03-31 jpcrp_cor:Row27Member E01769-000 2021-03-31 jpcrp_cor:Row28Member E01769-000 2020-03-31 jpcrp_cor:Row28Member E01769-000 2021-03-31 jpcrp_cor:Row29Member E01769-000 2020-03-31 jpcrp_cor:Row29Member E01769-000 2021-03-31 jpcrp_cor:Row30Member E01769-000 2020-03-31 jpcrp_cor:Row30Member E01769-000 2021-03-31 jpcrp_cor:Row31Member E01769-000 2020-03-31 jpcrp_cor:Row31Member E01769-000 2021-03-31 jpcrp_cor:Row32Member E01769-000 2020-03-31 jpcrp_cor:Row32Member E01769-000 2021-03-31 jpcrp_cor:Row33Member E01769-000 2020-03-31 jpcrp_cor:Row33Member E01769-000 2021-03-31 jpcrp_cor:Row34Member E01769-000 2020-03-31 jpcrp_cor:Row34Member E01769-000 2021-03-31 jpcrp_cor:Row35Member E01769-000 2020-03-31 jpcrp_cor:Row35Member E01769-000 2021-03-31 jpcrp_cor:Row36Member E01769-000 2020-03-31 jpcrp_cor:Row36Member E01769-000 2021-03-31 jpcrp_cor:Row37Member E01769-000 2020-03-31 jpcrp_cor:Row37Member E01769-000 2019-03-31 jppfs_cor:CapitalStockMember E01769-000 2020-03-31 jppfs_cor:CapitalStockMember E01769-000 2020-03-31 jppfs_cor:CapitalSurplusMember E01769-000 2019-03-31 jppfs_cor:CapitalSurplusMember E01769-000 2019-03-31 jppfs_cor:RetainedEarningsMember E01769-000 2020-03-31 jppfs_cor:RetainedEarningsMember E01769-000 2019-03-31 jppfs_cor:TreasuryStockMember E01769-000 2020-03-31 jppfs_cor:TreasuryStockMember E01769-000 2019-03-31 jppfs_cor:ShareholdersEquityMember E01769-000 2020-03-31 jppfs_cor:ShareholdersEquityMember E01769-000 2019-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01769-000 2020-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01769-000 2019-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01769-000 2020-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01769-000 2020-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01769-000 2019-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:RetainedEarningsMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:RetainedEarningsMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:ShareholdersEquityMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:ShareholdersEquityMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:TreasuryStockMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:TreasuryStockMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:CapitalSurplusMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:CapitalStockMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:CapitalStockMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:CapitalSurplusMember E01769-000 2021-03-31 jppfs_cor:CapitalStockMember E01769-000 2021-03-31 jppfs_cor:CapitalSurplusMember E01769-000 2021-03-31 jppfs_cor:RetainedEarningsMember E01769-000 2021-03-31 jppfs_cor:TreasuryStockMember E01769-000 2021-03-31 jppfs_cor:ShareholdersEquityMember E01769-000 2021-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E01769-000 2021-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E01769-000 2021-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E01769-000 2019-04-01 2020-03-31 jpcrp030000-asr_E01769-000:TrafficAndTransportationInfrastructureDivisionReportableSegmentsMember E01769-000 2019-04-01 2020-03-31 jpcrp030000-asr_E01769-000:ICTSolutionsDivisionReportableSegmentsMember E01769-000 2020-04-01 2021-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E01769-000 2019-04-01 2020-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E01769-000 2020-04-01 2021-03-31 jpcrp_cor:ReconcilingItemsMember E01769-000 2019-04-01 2020-03-31 jpcrp_cor:ReconcilingItemsMember E01769-000 2020-03-31 jpcrp030000-asr_E01769-000:TrafficAndTransportationInfrastructureDivisionReportableSegmentsMember E01769-000 2020-03-31 jpcrp030000-asr_E01769-000:ICTSolutionsDivisionReportableSegmentsMember E01769-000 2020-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E01769-000 2021-03-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E01769-000 2021-03-31 jpcrp_cor:ReconcilingItemsMember E01769-000 2020-03-31 jpcrp_cor:ReconcilingItemsMember E01769-000 2019-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01769-000 2019-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01769-000 2019-04-01 2020-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E01769-000 2020-04-01 2021-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:OtherCapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:ReserveForAdvancedDepreciationOfNoncurrentAssetsMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:GeneralReserveMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E01769-000 2021-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember jppfs_cor:NonConsolidatedMember iso4217:JPY iso4217:JPY xbrli:shares xbrli:pure xbrli:shares