# 【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３月28日
【事業年度】 | 第21期（自　2024年１月１日　至　2024年12月31日）
【会社名】 | 株式会社カイオム・バイオサイエンス
【英訳名】 | Chiome Bioscience Inc.
【代表者の役職氏名】 | 代表取締役社長　小池　正道
【本店の所在の場所】 | 東京都渋谷区本町三丁目12番１号
【電話番号】 | 03-6383-3561
【事務連絡者氏名】 | 取締役経営企画室長　美女平　在彦
【最寄りの連絡場所】 | 東京都渋谷区本町三丁目12番１号
【電話番号】 | 03-6383-3561
【事務連絡者氏名】 | 取締役経営企画室長　美女平　在彦
【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）

E26096 45830 株式会社カイオム・バイオサイエンス Chiome Bioscience Inc. 企業内容等の開示に関する内閣府令 第三号様式 Japan GAAP false CTE 2024-01-01 2024-12-31 FY 2024-12-31 2023-01-01 2023-12-31 2023-12-31 1 false false false E26096-000 2024-12-31 jpcrp_cor:Row1Member E26096-000 2020-01-01 2020-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2022-12-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E26096-000 2022-12-31 jppfs_cor:LegalCapitalSurplusMember jppfs_cor:NonConsolidatedMember E26096-000 2022-12-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E26096-000 2024-12-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:TreasuryStockMember jppfs_cor:NonConsolidatedMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E26096-000 2024-12-31 jpcrp_cor:OrdinaryShareMember E26096-000 2024-12-31 jpcrp_cor:SharesWithNoVotingRightsMember E26096-000 2024-12-31 jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMember E26096-000 2024-12-31 jpcrp_cor:SharesWithRestrictedVotingRightsOtherMember E26096-000 2024-12-31 jpcrp_cor:SharesWithFullVotingRightsTreasurySharesEtcMember E26096-000 2024-12-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsTreasurySharesEtcMember E26096-000 2024-12-31 jpcrp_cor:SharesWithFullVotingRightsOtherMember E26096-000 2024-12-31 jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMember E26096-000 2024-12-31 jpcrp_cor:SharesLessThanOneUnitMember E26096-000 2024-12-31 jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMember E26096-000 2021-01-01 2021-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2023-12-31 jpcrp_cor:ReconcilingItemsMember jppfs_cor:NonConsolidatedMember E26096-000 2022-12-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E26096-000 2022-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsMember E26096-000 2022-12-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E26096-000 2022-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E26096-000 2020-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E26096-000 2023-12-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E26096-000 2023-12-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E26096-000 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E26096-000 2025-03-28 jpcrp030000-asr_E26096-000:BijohiraArihikoMember E26096-000 2025-03-28 jpcrp030000-asr_E26096-000:YamakawaYoshiyukiMember E26096-000 2025-03-28 jpcrp030000-asr_E26096-000:TaokaShoseiMember E26096-000 2025-03-28 jpcrp030000-asr_E26096-000:KoikeMasamichiMember E26096-000 2025-03-28 jpcrp030000-asr_E26096-000:FuruyaAkiyukiMember E26096-000 2024-12-31 jpcrp_cor:ReportableSegmentsMember jppfs_cor:NonConsolidatedMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:ReconcilingItemsMember E26096-000 2023-12-31 jppfs_cor:SubscriptionRightsToSharesMember jppfs_cor:NonConsolidatedMember E26096-000 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalStockMember E26096-000 2024-12-31 jpcrp030000-asr_E26096-000:DrugDiscoverySupportReportableSegmentsMember jppfs_cor:NonConsolidatedMember E26096-000 2024-01-01 2024-12-31 jpcrp030000-asr_E26096-000:DrugDiscoverySupportReportableSegmentsMember jppfs_cor:NonConsolidatedMember E26096-000 2023-12-31 jpcrp030000-asr_E26096-000:DrugDiscoverySupportReportableSegmentsMember jppfs_cor:NonConsolidatedMember E26096-000 2023-01-01 2023-12-31 jpcrp030000-asr_E26096-000:DrugDiscoverySupportReportableSegmentsMember jppfs_cor:NonConsolidatedMember E26096-000 2024-12-31 jpcrp030000-asr_E26096-000:DrugDiscoveryAndDevelopmentReportableSegmentsMember jppfs_cor:NonConsolidatedMember E26096-000 2024-01-01 2024-12-31 jpcrp030000-asr_E26096-000:DrugDiscoveryAndDevelopmentReportableSegmentsMember jppfs_cor:NonConsolidatedMember E26096-000 2023-12-31 jpcrp030000-asr_E26096-000:DrugDiscoveryAndDevelopmentReportableSegmentsMember jppfs_cor:NonConsolidatedMember E26096-000 2024-01-01 2024-12-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember jppfs_cor:NonConsolidatedMember E26096-000 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E26096-000 2023-12-31 jppfs_cor:CapitalSurplusMember jppfs_cor:NonConsolidatedMember E26096-000 2025-03-28 E26096-000 2024-12-31 E26096-000 2024-01-01 2024-12-31 E26096-000 2023-01-01 2023-12-31 E26096-000 2024-12-31 jpcrp_cor:No5MajorShareholdersMember E26096-000 2024-12-31 jpcrp_cor:No6MajorShareholdersMember E26096-000 2024-12-31 jpcrp_cor:No7MajorShareholdersMember E26096-000 2024-12-31 jpcrp_cor:No8MajorShareholdersMember E26096-000 2024-12-31 jpcrp_cor:No9MajorShareholdersMember E26096-000 2024-12-31 jpcrp_cor:No10MajorShareholdersMember E26096-000 2023-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2022-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2022-01-01 2022-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2021-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2024-01-01 2024-12-31 jpcrp_cor:DirectorsExcludingOutsideDirectorsMember E26096-000 2024-01-01 2024-12-31 jpcrp_cor:CorporateAuditorsExcludingOutsideCorporateAuditorsMember E26096-000 2024-01-01 2024-12-31 jpcrp_cor:OutsideDirectorsAndOtherOfficersMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:NonConsolidatedMember jpcrp030000-asr_E26096-000:DrugDiscoveryAndDevelopmentReportableSegmentsMember E26096-000 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E26096-000 2022-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:TreasuryStockMember E26096-000 2025-03-28 jpcrp_cor:Row6Member E26096-000 2025-03-28 jpcrp_cor:Row5Member E26096-000 2025-03-28 jpcrp_cor:Row4Member E26096-000 2025-03-28 jpcrp_cor:Row3Member E26096-000 2025-03-28 jpcrp_cor:Row2Member E26096-000 2025-03-28 jpcrp_cor:Row1Member E26096-000 2024-12-31 jppfs_cor:ShareholdersEquityMember jppfs_cor:NonConsolidatedMember E26096-000 2024-12-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E26096-000 2024-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E26096-000 2024-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E26096-000 2024-12-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E26096-000 2024-12-31 jppfs_cor:RetainedEarningsBroughtForwardMember jppfs_cor:NonConsolidatedMember E26096-000 2023-01-01 2023-12-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember jppfs_cor:NonConsolidatedMember E26096-000 2025-03-28 jpcrp_cor:OrdinaryShareMember E26096-000 2023-12-31 jpcrp_cor:TotalOfReportableSegmentsAndOthersMember jppfs_cor:NonConsolidatedMember E26096-000 2023-01-01 2023-12-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:ReconcilingItemsMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:RetainedEarningsBroughtForwardMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:SubscriptionRightsToSharesMember jppfs_cor:NonConsolidatedMember E26096-000 2024-12-31 jpcrp_cor:No1MajorShareholdersMember E26096-000 2024-12-31 jpcrp_cor:No2MajorShareholdersMember E26096-000 2024-12-31 jpcrp_cor:No3MajorShareholdersMember E26096-000 2024-12-31 jpcrp_cor:No4MajorShareholdersMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:ShareholdersEquityMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:CapitalStockMember jppfs_cor:NonConsolidatedMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:CapitalSurplusMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:LegalCapitalSurplusMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:RetainedEarningsMember jppfs_cor:NonConsolidatedMember E26096-000 2024-12-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:CorporateSharedMember E26096-000 2024-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:NonConsolidatedMember E26096-000 2024-12-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:ReconcilingItemsMember E26096-000 2024-12-31 jppfs_cor:NonConsolidatedMember jpcrp_cor:TotalOfReportableSegmentsAndOthersMember E26096-000 2024-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:SubscriptionRightsToSharesMember E26096-000 2025-03-28 jpcrp030000-asr_E26096-000:SakamotoNiroMember E26096-000 2025-03-28 jpcrp030000-asr_E26096-000:KawaiHiroyukiMember E26096-000 2023-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E26096-000 2024-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember E26096-000 2024-01-01 2024-12-31 jppfs_cor:NonConsolidatedMember jppfs_cor:OtherCapitalSurplusMember iso4217:JPY xbrli:shares xbrli:shares xbrli:pure iso4217:JPY