Seed Investors in Japan

Angel Roster lists 85 investors based in Japan who invest at the Seed stage. Most are venture capital firms and angel investors and many also invest at Pre-Seed.

Investors listed
85
With verified email
26%
Most common stage
Seed
Top location
Japan

Updated October 24, 2026 · How we compile this data

Top 40 Seed investors in Japan

The most complete profiles first. Showing 40 of 85.

  • Akio T.Verified

    Venture Capital, Angel/Individual, Investor · Japan

    SeedPre-SeedE-commerceEnterprise SoftwareFleet ManagementTransportation

    Portfolio: Inteluck, Gigi, Buyandship, Carambola Finance and 21 more

    Verified email available

  • David YipVerified

    Angel/Individual, Investment Partner · Japan

    SeedEarly Stage VentureMassively Multiplayer Online (MMO) gamesHR TechAndroidMusic

    Portfolio: Lockwood Publishing, Labster, Yousician, Dazzle Rocks and 6 more

    Verified email available

  • Jerry YangVerified

    Venture Capital, Founder, Angel/Individual · Japan

    SeedPre-SeedCommercialTelecommunicationsAutonomous VehiclesE-commerce

    Portfolio: Arthur AI, Lumo Bodytech, Headroom, Dondo and 30 more

    Verified email available

  • Kazuhiro KobayashiVerified

    Venture Capital, Private Equity Firm, Investor · Japan

    SeedAdvertisingAutonomous VehiclesCustomer ServiceMessaging

    Portfolio: Sprig, Insightly, Square, Handshake and 22 more

    Verified email available

  • Kazuma IeiriVerified

    Venture Capital, Founder, Angel/Individual · Japan

    SeedCrowdfundingE-commerceLifestyle ProductsInformation Technology (IT)Crowdfunding

    Portfolio: 10x Japan, Bé-A Japan, yutori, BULK HOMME and 12 more

    Verified email available

  • Nobuhiro AriyasuVerified

    Angel/Individual · Japan

    SeedInvestment ManagementAppsBankingEducation

    Portfolio: Siiibo, Gracia Japan, TRiCERA, GarageBank and 6 more

    Contact details available

  • Taizo SonVerified

    Venture Capital, Angel/Individual, Investment Partner · Japan

    SeedTask ManagementBankingFinanceProductivity Software

    Portfolio: HATCHER+, InnerChef, Smartround, Astroscale and 6 more

    Verified email available

  • Tsuyoshi ItoVerified

    Venture Capital, Incubator, Accelerator · Japan

    SeedHealth CareWellnessConsumer GoodsLifestyle Products

    Portfolio: miup, Photo electron Soul, Biomoneta Research, Academist and 34 more

    Verified email available

  • Yusuke SatoVerified

    Angel/Individual · Japan

    SeedHealth CareAccountingEvents ServicesPayments

    Portfolio: Meetscare, 6curry, Boulder, yup and 5 more

    Verified email available

  • Allen MinerVerified

    Angel/Individual, Investment Partner · Japan

    SeedCloud ComputingSoftwareHardwareSensors

    Portfolio: REVENTIVE, CipherCloud, CalmSea, Splice Machine and 4 more

    Verified email available

  • Kengo U.

    Venture Capital, Incubator, Accelerator · Japan

    SeedHealth CareWellnessConsumer GoodsLifestyle Products

    Portfolio: miup, Photo electron Soul, Biomoneta Research, Academist and 34 more

    Contact details available

  • Mark Bivens

    Angel/Individual, Investment Partner · Japan

    SeedEarly Stage VentureLate Stage VentureMarketplaceFood and Beverage

    Portfolio: Momac, Poseidon Technologies, Domain Appraisers, GoCater and 6 more

    Contact details available

  • Masahiko Homma

    Venture Capital, Founder, Private Equity Firm · Japan

    SeedHealth CareSouth East Asia-based StartupsTelecommunicationsE-commerce

    Portfolio: AgroDesign Studio, UUUO, TERASS, Retrocausal and 76 more

    Contact details available

  • Osuke HondaVerified

    Venture Capital, Private Equity Firm, Angel/Individual · Japan

    SeedSeries AEnterprise SoftwareBankingMobileFinance

    Portfolio: Tumblbug, Sansan, Magic Moment, Miso and 3 more

    Verified email available

  • Roger VerVerified

    Angel/Individual · Japan

    SeedCryptocurrencyTrading PlatformFinTech

    Portfolio: BitPay, Purse, Coinapult, Portal and 3 more

    Verified email available

  • Ryo Umezawa

    Venture Capital, Investor · Japan

    SeedE-commerceCybersecurityConsumer GoodsHR Tech

    Portfolio: Cumi, Meetscare, Asumsi, Stock and 86 more

    Contact details available

  • jun nishikawa

    Angel/Individual · Japan

    SeedMobileConsumer InternetMedia and Entertainment

    Portfolio: HERP, SYRUP Japan, FamiOne, ukka and 6 more

    Contact details available

  • shinji kimura

    Angel/Individual, Investment Partner · Japan

    SeedPaymentsInformation Technology (IT)MobileConsulting

    Portfolio: Fond, AlpacaJapan, WearYouWant, misterb&b and 6 more

    Contact details available

  • Brian NelsonVerified

    Strategy Operator, Growth Operator, Angel/Individual · Japan

    SeedPre-SeedTranslationE-commercePaymentsWellness

    Portfolio: James Harvard International, Cerego, Wine N Style, Eco Waza and 2 more

    Verified email available

  • Hideto Fujino

    Angel/Individual · Japan

    SeedInvestment ManagementHome ServicesInternet of Things (IoT)Architecture

    Portfolio: HOMMA, xenodata lab, Knowledge Merchants Works, Tabinaka and 5 more

    Contact details available

  • Hironori MaedaVerified

    Venture Capital, Angel/Individual, Investment Partner · Japan

    SeedPre-SeedEnterprise SoftwareArtificial Intelligence (AI)RoboticsMarketplace

    Portfolio: Holmes, DELY, POL, Lecto and 2 more

    Verified email available

  • Shintaro Tsuji

    Angel/Individual · Japan

    SeedTelecommunicationsE-commerceTrusted NetworksArtificial Intelligence (AI)

    Portfolio: XIMERA, Startouts, HOMMA, TableCheck and 5 more

    Contact details available

  • Shunsuke Oyu

    Angel/Individual · Japan

    SeedEarly Stage VentureFinTechSaaS

    Portfolio: Gracia Japan, hackjpn, Machimachi, yup and 5 more

    Contact details available

  • Hironao Kunimitsu

    Angel/Individual, Investment Partner · Japan

    SeedTelecommunicationsE-commerceSportsDesign

    Portfolio: GATARI, 1SEC, SPORTS CROWN, Gaudiy and 4 more

    Contact details available

  • James RineyVerified

    Venture Capital, Entrepreneurship Program, Private Equity Firm · Japan

    SeedPre-SeedAdvertisingEnterprise SoftwareInvestment ManagementFilm

    Portfolio: Zehitomo, Aww, Authlete, justInCase and 1 more

    Verified email available

  • Taro Inaba

    Venture Capital, Founder, Investor · Japan

    SeedHealth CareWomen FoundedLife ScienceBiotechnology

    Portfolio: OMEICOS Therapeutics, ENB Therapeutics, Tranquis Therapeutics, Mitoconix Bio and 4 more

    Contact details available

  • Ryota Matsuzaki

    Angel/Individual · Japan

    SeedConsumer InternetHardware

    Portfolio: Paidy, Tokyo Otaku Mode, CrowdWorks, Skimlinks and 3 more

    Contact details available

  • Tetsuro MiyatakeVerified

    Venture Capital · Japan

    SeedPre-SeedE-commerceSportsEnterprise SoftwareArtificial Intelligence (AI)

    Portfolio: Coursebase, All Turtles, Audiobyte, Seed Labs

    Verified email available

  • Kamal KirpalaniVerified

    Angel/Individual · Japan

    SeedE-commerceComputer VisionArtificial Intelligence (AI)Retail

    Portfolio: Tractable, Mirakl, Allure Systems

    Verified email available

  • Sota Numazawa

    Venture Capital, Founder, CEO · Japan

    SeedPre-SeedCryptocurrency

    Portfolio: Act One Ventures LP, Boost VC, Pantera Capital, Climaverse PBC and 2 more

    Contact details available

  • Ken SuzukiVerified

    Angel/Individual · Japan

    SeedInvestment ManagementHR TechCryptocurrencySocial Networking Service (SNS)

    Portfolio: Anyplace, CAMPFIRE

    Verified email available

  • Koichiro Yoshida

    Angel/Individual, Investment Partner · Japan

    SeedPre-SeedEnterprise SoftwareHR TechHR SoftwareCrowdsourcing

    Portfolio: Pretia, Recipio, Attelu, Recipio Japan and 1 more

    Contact details available

  • Mickey Mikitani

    Angel/Individual, Investment Partner · Japan

    SeedAppsVideo ChatSoftwareScheduling

    Portfolio: Domo, Rakuten Medical, Bezar, HOMMA and 1 more

    Contact details available

  • Takeshi Minamoto

    Venture Capital, Founder, Investor · Japan

    SeedWearablesWomen FoundedHR TechDesign

    Portfolio: Onera, Longan Vision, WHILL, Sun Asterisk and 1 more

    Contact details available

  • Tetsu Nakajima

    Venture Capital, Founder, Private Equity Firm · Japan

    SeedWearablesWomen FoundedHR TechDesign

    Portfolio: Onera, Longan Vision, WHILL, Sun Asterisk and 1 more

    Contact details available

  • Duncan ClarkVerified

    Angel/Individual · Japan

    SeedAppsMobileContentReading Apps

    Portfolio: Radish

    Verified email available

  • Keith Yuki Isobe

    Angel/Individual · Japan

    SeedEarly Stage VentureLate Stage VentureAdvertisingBig Data

    Portfolio: Adskom, MEDCARE, AdPushup, WASEDA M&A PARTNERS

    Contact details available

  • Kotaro YamagishiVerified

    Angel/Individual, Investment Partner · Japan

    SeedRoboticsInformation Technology (IT)Air Transportation

    Portfolio: Astroscale

    Verified email available

  • Taisuke MorimotoVerified

    Angel/Individual · Japan

    SeedEducationArtificial Intelligence (AI)

    Portfolio: Polyglots

    Verified email available

  • Henry LauVerified

    Venture Capital, Angel/Individual, Investor · Japan

    SeedSportsEducationArtificial Intelligence (AI)Japan-based Startups

    Verified email available

See all 85 Seed investors in Japan

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Frequently asked questions

How many Seed investors in Japan are on Angel Roster?

Angel Roster lists 85 Seed investors in Japan. 22 of them (26%) include a verified email address.

What types of investors are they?

The most common investor types are Venture Capital Firms (50), Angel Investors (44) and Investment Partner Investors (16). An investor can have more than one type, for example an angel who is also a venture partner.

Which other stages do Seed investors in Japan invest in?

Among those that list a stage, the most common others are Pre-Seed (13), Early Stage Venture (4) and Late Stage Venture (2).

Which companies have Seed investors in Japan backed?

The most-backed portfolio companies among them are yup (4), Gojo & Company (4), iCARE (3), Anyplace (3) and Pretia (3).

How do I contact Seed investors in Japan?

Create a free Angel Roster account to search and filter all 85, then unlock verified emails and LinkedIn profiles on a paid plan. Every plan starts with a 3-day free trial.