# 【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30日
【事業年度】 | 第66期（自　2020年４月１日　至　2021年３月31日）
【会社名】 | 株式会社イワキ
【英訳名】 | ＩＷＡＫＩ　ＣＯ．，ＬＴＤ．
【代表者の役職氏名】 | 代表取締役社長　　藤中　茂
【本店の所在の場所】 | 東京都千代田区神田須田町二丁目６番６号
【電話番号】 | ０３(３２５４)２９３１（代表）
【事務連絡者氏名】 | 執行役員経営管理本部長　　井上　誠
【最寄りの連絡場所】 | 東京都千代田区神田須田町二丁目６番６号
【電話番号】 | ０３(３２５４)２９３１（代表）
【事務連絡者氏名】 | 執行役員経営管理本部長　　井上　誠
【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）

E32189 62370 株式会社イワキ IWAKI 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 E32189-000 2020-04-01 2021-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:ShareholdersEquityMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:RetainedEarningsMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:CapitalStockMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonControllingInterestsMember E32189-000 2021-03-31 jppfs_cor:TreasuryStockMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:TreasuryStockMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E32189-000 2021-03-31 jpcrp_cor:No5MajorShareholdersMember E32189-000 2021-03-31 jpcrp_cor:No4MajorShareholdersMember E32189-000 2021-03-31 jpcrp_cor:No3MajorShareholdersMember E32189-000 2021-03-31 jpcrp_cor:No2MajorShareholdersMember E32189-000 2021-03-31 jpcrp_cor:No1MajorShareholdersMember E32189-000 2021-03-31 jppfs_cor:NonControllingInterestsMember E32189-000 2021-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2021-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E32189-000 2021-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E32189-000 2021-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E32189-000 2021-03-31 jppfs_cor:ShareholdersEquityMember E32189-000 2021-03-31 jppfs_cor:RetainedEarningsMember E32189-000 2021-03-31 jppfs_cor:CapitalStockMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E32189-000 2021-06-30 jpcrp030000-asr_E32189-000:HosoyaYoshinoriMember E32189-000 2021-06-30 jpcrp030000-asr_E32189-000:KojimaTakafumiMember E32189-000 2021-03-31 jpcrp_cor:Row1Member E32189-000 2020-03-31 jpcrp_cor:Row1Member E32189-000 2021-06-30 jpcrp_cor:Row5Member E32189-000 2021-06-30 jpcrp_cor:Row1Member E32189-000 2021-06-30 jpcrp_cor:Row2Member E32189-000 2021-06-30 jpcrp_cor:Row3Member E32189-000 2021-06-30 jpcrp_cor:Row4Member E32189-000 2021-06-30 jpcrp030000-asr_E32189-000:FujinakaShigeruMember E32189-000 2021-06-30 jpcrp030000-asr_E32189-000:UchidaHidekiMember E32189-000 2021-06-30 jpcrp030000-asr_E32189-000:KayaharaToshihiroMember E32189-000 2021-06-30 jpcrp030000-asr_E32189-000:OguraKenichiMember E32189-000 2021-06-30 jpcrp030000-asr_E32189-000:MiyakeIchirouMember E32189-000 2021-06-30 jpcrp030000-asr_E32189-000:NagasawaMasahiroMember E32189-000 2020-04-01 2021-03-31 jpcrp030000-asr_E32189-000:FujinakaShigeruMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E32189-000 2021-03-31 jppfs_cor:CapitalSurplusMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:CapitalSurplusMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:ShareholdersEquityMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:TreasuryStockMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalRetainedEarningsMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E32189-000 2020-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonControllingInterestsMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E32189-000 2021-03-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2018-04-01 2019-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2018-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2017-04-01 2018-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2017-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2016-04-01 2017-03-31 jppfs_cor:NonConsolidatedMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:GeneralReserveMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:LegalRetainedEarningsMember jppfs_cor:NonConsolidatedMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:RetainedEarningsMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:CapitalSurplusMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:CapitalStockMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E32189-000 2020-04-01 2021-03-31 jpcrp_cor:OutsideCorporateAuditorsMember E32189-000 2020-04-01 2021-03-31 jpcrp_cor:OutsideDirectorsMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E32189-000 2020-03-31 jppfs_cor:NonControllingInterestsMember E32189-000 2020-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2020-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E32189-000 2020-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E32189-000 2020-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E32189-000 2020-03-31 jppfs_cor:ShareholdersEquityMember E32189-000 2020-03-31 jppfs_cor:TreasuryStockMember E32189-000 2020-03-31 jppfs_cor:RetainedEarningsMember E32189-000 2020-03-31 jppfs_cor:CapitalSurplusMember E32189-000 2020-03-31 jppfs_cor:CapitalStockMember E32189-000 2019-03-31 jppfs_cor:NonControllingInterestsMember E32189-000 2019-03-31 jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2019-03-31 jppfs_cor:RemeasurementsOfDefinedBenefitPlansMember E32189-000 2019-03-31 jppfs_cor:ForeignCurrencyTranslationAdjustmentMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E32189-000 2019-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember E32189-000 2019-03-31 jppfs_cor:ShareholdersEquityMember E32189-000 2019-03-31 jppfs_cor:TreasuryStockMember E32189-000 2019-03-31 jppfs_cor:RetainedEarningsMember E32189-000 2019-03-31 jppfs_cor:CapitalSurplusMember E32189-000 2019-03-31 jppfs_cor:CapitalStockMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E32189-000 2019-04-01 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2020-03-31 jppfs_cor:ValuationDifferenceOnAvailableForSaleSecuritiesMember jppfs_cor:NonConsolidatedMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E32189-000 2020-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E32189-000 2021-03-31 jpcrp_cor:No10MajorShareholdersMember E32189-000 2021-03-31 jpcrp_cor:No9MajorShareholdersMember E32189-000 2021-03-31 jpcrp_cor:No8MajorShareholdersMember E32189-000 2021-03-31 jpcrp_cor:No7MajorShareholdersMember E32189-000 2021-03-31 jpcrp_cor:OrdinaryShareMember E32189-000 2021-03-31 jpcrp_cor:SharesWithNoVotingRightsMember E32189-000 2021-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E32189-000 2021-03-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E32189-000 2021-03-31 jpcrp_cor:SharesWithFullVotingRightsTreasurySharesEtcMember E32189-000 2021-03-31 jpcrp_cor:OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember E32189-000 2021-03-31 jpcrp_cor:SharesWithFullVotingRightsOtherMember E32189-000 2021-03-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E32189-000 2021-03-31 jpcrp_cor:SharesLessThanOneUnitMember E32189-000 2021-03-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E32189-000 2021-06-30 jpcrp_cor:OrdinaryShareMember E32189-000 2021-03-31 jpcrp_cor:No6MajorShareholdersMember E32189-000 2019-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ValuationAndTranslationAdjustmentsMember E32189-000 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E32189-000 2020-04-01 2021-03-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E32189-000 2017-04-01 2018-03-31 E32189-000 2017-03-31 E32189-000 2016-04-01 2017-03-31 E32189-000 2021-06-30 E32189-000 2021-03-31 E32189-000 2020-04-01 2021-03-31 E32189-000 2020-03-31 E32189-000 2019-04-01 2020-03-31 E32189-000 2019-03-31 E32189-000 2018-04-01 2019-03-31 E32189-000 2018-03-31 E32189-000 2020-04-01 2021-03-31 jpcrp030000-asr_E32189-000:DirectorsMember E32189-000 2020-04-01 2021-03-31 jpcrp030000-asr_E32189-000:CorporateAuditorsMember E32189-000 2021-06-30 jpcrp_cor:Row6Member iso4217:JPY xbrli:shares iso4217:JPY xbrli:shares xbrli:pure