Sitemap Important announcementCompany InformationManagement Principles and HistoryPresident MessageCompany GuideDomestic Bases ・Global NetworkHead Office/Hidaka PlantTokyo Head OfficeGrobal BrandBusinessBusiness ActivityEquipmentIndustry-academia-government collaborationSuccessful Launch of NASA Mars Rover Equipped with Optical Components of Sigma Koki (NASA)JST-Mirai Program (Large-scale Type) “Building a space-time information infrastructure with a cloud optical lattice clock”Large cryogenic gravitational wave telescope (University of Tokyo)IR InformationFinancial Results High-LightConsolidated AccountingNon-Consolidated AccountingSustainabilitySustainability PolicyEnvironmentQuality Policy / Environment PolicyQuality activity / Environmental activitySocialSocial Contribution ActivityGovernanceCorporate GovernanceInformation Security PolicyContactGeneral inquirySitemap