/Investor DB

Mitsui Sumitomo Insurance Capital — Full Portfolio

25 tracked investments · listed companies and verified rows first

APTOapto.co.jp𝕏✓ verified

APTO provides AI training data services, including data annotation (harBest Annotation) and expert-labeled datasets across formats such as 3D/LiDAR, text, audio, video, and images.

AI & Machine LearningData & InfrastructureTokyo, JP

Ryo Takashina(代表取締役 (Representative Director / CEO))in

Co-investorsANOBAKACanal VenturesGREE Ventures

FUNDiT IT領域に特化した共創型M&Aとロールアップを行う事業投資を展開fundit.jp✓ verified

FUNDiT acquires and operates small to mid-sized IT businesses using AI and big data analysis for M&A targeting and operational improvement.

AI & Machine LearningEnterprise SoftwareShinagawa, JP

Co-investorsShizuoka CapitalDual Bridge CapitalJapan Post Insurance NEXT PartnersMitsubishi UFJ CapitalNANKAI NEXT VenturesUNITED+2 more

Global Vascular株式会社g-vasc.comin✓ verified

Global Vascular develops medical devices based on its BioDiamond Technology, including antithrombotic diamond (F-DLC) coatings, drug-eluting stents, and catheters for vascular and interventional treatments.

Deep TechHealthtechMedical DevicesNew MaterialsTokyo, JP

Kenta Bito(Founder & CEO)inShunto Maegawa(Founder & CTO)inEmi Matsuoka(COO)in

BoardTerumitsu Hasebe(Director)

Co-investorsFast Track InitiativeTokyo University of Science Innovation CapitalMitsubishi UFJ CapitalSumitomo Mitsui Trust Bank

大熊ダイヤモンドデバイス株式会社ookuma-dd.comOct 2024✓ verified

Ookuma Diamond Device develops diamond semiconductor technology, aiming to apply diamond-based devices across various fields.

Deep TechHardwareSemiconductorsSapporo, JP

星川 尚久(代表者 (Representative))

Co-investorsaSTARTCoral CapitalGlobis Capital PartnersFFG Venture Business PartnersHokuhoku CapitalSMBC Venture Capital+1 more

株式会社Kyashkyash.co𝕏✓ verified

Kyash is a Japanese mobile payment app that lets users load funds into their balance from bank accounts, credit or debit cards, Pay-easy, and dedicated deposit accounts, with no deposit fees and options for scheduled or automatic top-ups.

ConsumerFintechTokyo, JP

Shinichi Takatori(Founder)in

Co-investorsAltos VenturesBlock IncGoodwater CapitalGreyhound CapitalJAFCO GroupMizuho Capital+9 more

株式会社Smart119smart119.biz𝕏✓ verified

Smart119 develops ICT-based technology aimed at solving problems in medical and emergency care settings to help treat more patients.

AI & Machine LearningDigital HealthEnterprise SoftwareHealthtechMedical DevicesKagoshima, JP

中田 孝明(代表取締役)菊永 満(代表取締役社長)

Co-investorsNissay CapitalPKSHA Technology CapitalSony Ventures Corporation

株式会社サウンドファンsoundfun.co.jp𝕏✓ verified

MiraiSpeaker develops audio hardware products and assistive hearing technology for aging populations, enabling seniors to experience enriched lives through technology.

ConsumerHardwareHealthtechLongevityWellness & FitnessTokyo, JP

山地 浩

Co-investorsJapan Post Capital Co. Ltd.TOPPAN Holdings

株式会社ミライスピーカーmiraispeaker.com𝕏✓ verified

Mirai Speaker (株式会社ミライスピーカー) plans, develops, manufactures, and sells age-tech audio products such as the "Mirai Speaker" and "Mirai Speaker Ear," aimed at making longer lifespans more comfortable through technology.

ConsumerHardwareHealthtechLongevityTokyo, JP

Hiroshi Yamaji(代表取締役社長/CEO)

Co-investorsJapan Post Capital Co. Ltd.TOPPAN HoldingsIyogin Capital

ArkEdge Spacearkedgespace.comin𝕏Mar 2022

ArkEdge Space designs, builds, and operates microsatellites and satellite constellations, and provides related components, software, and satellite ground station operation services.

Deep TechHardwareSpace TechTokyo, JP

Takayoshi Fukuyo(代表取締役CEO)inRyohei Takahashi(取締役Co-CTO)inKanta Yanagida(取締役Co-CTO)inSeigo Morita(執行役員CFO)Tomoaki Yasuda(執行役員CSO)inKota Kakihara(執行役員Co-CTO)in

Co-investorsHulic StartupJIC Venture Growth InvestmentsShizuoka CapitalUntroD CapitalIncubate FundWiL+1 more

Assethubassethub.ioin𝕏Sep 2024

AssetHub is an AI-powered 3D character creation platform that converts concept images into modular, editable 3D assets with automatically named and separated components.

AI & Machine LearningCreator EconomyGamingSan Francisco, US

Takuya Goto(Founder)in

Co-investorsBrincProgressionTechstarsArchetype VenturesBeyond Next VenturesCRCM Ventures

BETAb-inc.co.jp

BETA, Inc. operates an HR video platform along with video production, streaming, and video media services, providing DX solutions for the B2B services market.

Data & InfrastructureHR TechMarketing TechMedia & EntertainmentSaaSTokyo, JP

長沼 健一(代表取締役 (Representative Director / CEO))高井 辰憲(取締役CFO (Director & CFO))

Co-investorsKUSABI

CoreTissue BioEngineeringcoretissue.com

CoreTissue BioEngineering develops a tissue-regenerating ligament implant for anterior cruciate ligament (ACL) reconstruction, using a proprietary decellularization technology to regenerate damaged tissue.

BiotechHealthtechMedical Devices

digdigdigdig.inc

digdig Inc. (formerly FUNEE Inc.) develops and operates fashion services, with a stated aim of building infrastructure to make fashion sustainable.

Circular EconomyConsumerE-commerceTokyo, JP

Seungjun Yang(Representative Director)

Co-investorsSpiral CapitalSpiral Innovation PartnersGenesia Ventures

dodoAI株式会社dodoai.aiJul 2026

dodoAI develops a "Sovereign Agentic OS" that lets enterprises autonomously orchestrate multiple AI agents to automate complex business processes while keeping governance, access control, and data under company control.

AI & Machine LearningEnterprise SoftwareSaaS

Hitoshi Murakami(CEO)

Co-investorsMitsubishi UFJ CapitalGenesia Ventures

Mentomentolabs.xyzin𝕏

Mento operates a multi-currency stablecoin platform that brings world currencies onchain, offering decentralized stablecoins pegged to major and emerging market currencies (from USD, EUR, and JPY to the Kenyan Shilling and Nigerian Naira).

Crypto & Web3Fintech

Co-investorsFlori Ventures

Newtracenewtrace.io

Newtrace develops and manufactures advanced electrodes and stack technology for alkaline hydrogen electrolysers, including a coated cathode that reduces specific energy consumption to lower the cost of green hydrogen production.

CleantechClimate TechEnergyBengaluru, IN

Rochan Sinha(Founder)inPrasanta Sarkar(Founder)in

Co-investorsAavishkaar Venture Management Services Private LimitedAxilor VenturesPeak XV PartnersSpeciale InvestBlume Ventures

ONESTRUCTION株式会社onestruction.comin𝕏

Co-investorsX-HUB TOKYO Global Startup Accelerator

OpenHeartopenheart.co.jp

Japanese company that received follow-on investment from the firm.

Co-investorsMizuho Capital

PAPAMO株式会社papamo.net𝕏Sep 2021

PAPAMO operates an online movement therapy classroom for children with developmental concerns and provides program support services for therapeutic facilities.

EdTechHealthtechTokyo, JP

Sakiko Hashimoto(Representative Director)

Co-investorsFunds StartupsGlobal BrainW Inc.W ventures

SigmaMind AIsigmamind.aiin𝕏Seed

SigmaMind AI provides a Voice AI platform for developers and enterprise teams to build and deploy AI agents that can execute actions across voice, chat, and email channels.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Ashish Agarwal(Founder)inPratik Mundra(Founder)in

Co-investorsY CombinatorAmino CapitalGMO VenturePartnersGoodwater CapitalKube VCSoma Capital+1 more

Smart Craftsmartcraft.jp𝕏Feb 2026

Smart Craft is a cloud-based manufacturing execution system that digitizes factory operations from production planning through data collection and analysis.

Advanced ManufacturingAI & Machine LearningCloud Computing

Co-investorsANOBAKAGenesia VenturesMitsubishi UFJ CapitalOmron Ventures

アイラト株式会社airato.jpin𝕏

Airato is a Japanese medical device startup developing AI-powered software for radiation therapy planning and delivery.

AI & Machine LearningHealthtechMedical DevicesTokyo, JP

木村 祐利角谷 倫之海老名 亮

Co-investorsGxPartnersmint VCSMBC Venture Capital

シンクサイトthinkcyte.comin

ThinkCyte develops diagnostic devices and cellular analysis platforms using imaging flow cytometry and microfluidics technology.

AI & Machine LearningBiotechDeep TechMedical DevicesRedwood City, US

Waichiro(Co-founder & CEO)Sadao(Co-founder & CSO)Issei(Co-founder & Senior Scientific Advisor)Ryoichi(Co-founder)

Co-investorsBerkeley SkyDeck FundGlobal BrainOSAKA University Venture CapitalUntroD Capital

株式会社BALLASballas.biz𝕏Apr 2026

BALLAS designs, develops, manufactures, and sells construction materials.

Advanced ManufacturingB2B MarketplacesConstruction TechSaaSTokyo, JP

Co-investorsANOBAKAGlobal Brainmint VCZ Venture CapitalAozora Corporate InvestmentDaiwa House Ventures+4 more

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Contrea株式会社

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.