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Top 25 Blockchain Angel Investors in Japan in April 2025

Last updated: Apr 2025 A list of 25 angel investors that invest in Blockchain startups based in Japan. We rank investors based on the number of investments they made in Blockchain companies from Japan. We update this investor list every month.

Top 25 Blockchain Angel Investors in Japan in April 2025

Investor	Blockchain Japan investments
Komura Fujio	2
Sotaro Karasawa	2
Ryutaro Katayama	1
Yuichi Kawasaki	1
Yamazaki Reijiro	1
Sandeep Nailwal	1
Mizuki Inoue	1
Makoto Takano	1
James Gong	1
Uchino Hiroyuki	1
Tomokaz Saito	1
Yuki Naito	1
Kenji Kasahara	1
Bo Shen	1
Oki Matsumoto	1
Kazuma Yamauchi	1
Kazutaka Muraguchi	1
Michael Carter	1
Kei Yoshikoshi	1
Justin Waldron	1
Shigeru Urushibara	1
Mai Fujimoto	1
Fujiyo Ishiguro	1
Ziqi Jerry Zhou	1
Hironao Kunimitsu	1

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Investor list

Komura Fujio

Investment focus

Content, Ethereum, Marketing
Seed, Angel
Japan

Portfolio highlights

Ginkan — GINKAN is the managing company of SynchroLife, the world's first restaurant recommendation platform where users and can earn cryptocurrency token rewards for dining out and posting restaurant reviews. GINKAN was selected for Plug and Play Japan Batch 1 in the fintech category and we won for best domestic fintech company and won the audienceaward at the Plug and Play Japan Batch 1 EXPO (Demo Day) in September 2018.GINKAN was also selected for Mitsubishi UFJ Financial Group’s MUFG Digital Accelerator’s Batch 4 and won the Grand Prix, Audience Award, and AWS Award in a triple win on their demo day on July 26, 2019.

Sotaro Karasawa - Chief Technology Officer @ STAR FESTIVAL

Investment focus

Software, Blockchain, Art
Seed, Pre-Seed, Series B
Japan

Portfolio highlights

Taian — Taian, which specializes in bridal industry services and software. They also provide ''Concept Marry,'' which allows couples to design invites and seating charts that match their wedding theme, as well as display guest information on Oiwaii.
Atmoph — A smart digital window that opens to beautiful scenery from around the world. By simply putting it on your desk or hanging it on the wall, Atmoph Window will open up a whole new world before you.
Cloudbase — Cloudbase is an information technology company that specializes in the fields of cloud services and management.

He holds a BA in Economics and a Master of Sociology from Keio University and an MBA from Harvard Business School. After regenerating many companies as president, he served as a representative of Giuliani Partners Japan and the president of Japan's oldest and largest art auction company Christie's Japan. He has also served as a number ofprominent corporate outside directors and director of art groups. Participated in the creation of Whiz Partners, a leading venture capital firm, and is still a managing partner of international venture capital.

Investment focus

Art, Blockchain, Information Technology
Series A
Japan

Portfolio highlights

Startbahn — Startbahn aims to realize a richer society by providing the technology needed by artists and people involved with art all over the world. We are developing Startbahn Cert., a service that issues blockchain certificates for artworks, and promoting the development of Startrail, a blockchain infrastructure that is the basis for Startbahn Cert. We alsorun joint projects with other companies.

Yuichi Kawasaki Prior joining SmartNews, I was COO at mixi, Founder & CEO at kamado, Executive Vice President at Hatena. I started my career at Cisco Systems G.K.

Investment focus

CRM, Finance, Security
Angel, Seed
Japan

Portfolio highlights

Blankr — Blankr inc has developed an application called Raidli. Using the app, Vtubers can hold a virtual handshake event.
earlyworks — Earlyworks Co., Ltd. provides blockchain technology solutions. The Company develops hybrid blockchain product that is fast and secure. Earlyworks offers software and system development, consulting, and security solution services.
AVA Intelligence — AVA Intelligence is a Internet service development company.

Yamazaki Reijiro - Chairman @ Anymarry

Investment focus

CRM, Finance, Security
Angel, Funding Round
Japan

Portfolio highlights

G-Next — G NEXT is an Information Technology based company.
earlyworks — Earlyworks Co., Ltd. provides blockchain technology solutions. The Company develops hybrid blockchain product that is fast and secure. Earlyworks offers software and system development, consulting, and security solution services.

Sandeep Nailwal is the co-founder and COO of Polygon. Sandeep previously worked at Scopeweaver as the Co-Founder and CEO. He attended the Indian Institute of Management, Mumbai.

Investment focus

Blockchain, Cryptocurrency, Financial Services
Seed, Pre-Seed, Series A
United States, India, Singapore

Portfolio highlights

D3 — D3 - DNS Domains for Web3
Optimum — Optimum constitutes a decentralized, high-performance memory infrastructure tailored for use across various blockchains.
Prime Intellect — Prime Intellect democratizes AI development at scale. Our platform makes it easy to find global compute resources and train state-of-the-art models through distributed training across clusters. Collectively own the resulting open AI innovations, from language models to scientific breakthroughs.

Mizuki Inoue - Director @ Kudan

Investment focus

CRM, Finance, Security
Seed, Angel, Funding Round
Japan

Portfolio highlights

Kudan — Kudan has been providing proprietary Artificial Perception technologies based on SLAM to enable use cases with significant market potential and impact on our lives such as autonomous driving, robotics, AR/VR and smart cities
G-Next — G NEXT is an Information Technology based company.
earlyworks — Earlyworks Co., Ltd. provides blockchain technology solutions. The Company develops hybrid blockchain product that is fast and secure. Earlyworks offers software and system development, consulting, and security solution services.

Makoto Takano is CEO of atomixmedia, inc., publisher and editor-in-chief of Forbes Japan and Rolling Stone Japan since June, 2014. Prior to joining Atomixmedia, Inc., he was Managing Director and President of PIMCO Japan Ltd. Before joining PIMCO in 2001, he was head of marketing at Goldman Sachs Asset Management. Makoto's prior experiencealso includes work at Daiwa Securities where he was head of the strategists team at Daiwa Institute of Research. He has published extensively on the capital markets. In 1992, he was awarded Securities Analysts Journal Prize by the Securities Analyst Association of Japan. He has also given lectures on asset management at Waseda University and Kyoto University. He holds master’s and undergraduate degrees in engineering from Waseda University. Makoto serves as Director of Nippon Finance Association and Rebuild Japan Initiative Foundation.

Investment focus

Content, Sports, Apps
Seed, Series A, Series B
Japan, Philippines

Portfolio highlights

BeatFit — BeatFit is a fitness-tech startup based in Japan.
PROGRIT — PROGRIT is an English-related media management company.
Luup — Luup is an Internet Company.

Ming Gong the Co-Founder of ChainB, is widely recognized on the internet under the pseudonym ""rage prince Gong."" Ming graduated with a degree in math and specializes in IT and financial securities analysis. He has many years of experience in IT and finance, and focused mainly on industry study and investment analysis whileserving at the Delong Group. In 2012, he began devoting his time to the development of digital currency and the blockchain industry. Additionally, he translated a large amount of relative materials and wrote the blockchain white paper. His publications includes ""Blockchain Society,"" ""Blockchain - A New Economic Blueprint,"" and ""Digital Currency"" etc. Ming participated in the development and investment of many blockchain and digital asset programs, and created the new media company ChainB, which has become influential in the blockchain industry.Currently Ming serves as Vice President of the Beijing Blockchain Technology Application Association. He is also a member of the Internet Finance Association - Blockchain Group, as well as Senior Researcher at China Blockchain Study Alliance. He is a member of the IT professional committee at the Chinese Securities Investment Fund Association, and member at the Policy Committee of the Quantchain Foundation, with several other positions.

Investment focus

FinTech, InsurTech, Blockchain
Seed
Japan

Portfolio highlights

Global Risk Exchange — Global Risk Exchange (or "GRE") is a blockchain based, decentralized and open global risk exchange market, with the purpose of helping individuals, companies and organizations to access and trade and manage their risks. GRE completely reconstructed traditional risk management tools(insurance and derivative contracts) in a decentralizedway, and will become the underlying operation system to support insurance and derivative transactions in the era of blockchain. GRE aims to build the infrastructure and trading platform for risk management industry in the blockchain driven world in the near future, by providing a fundamental protocol for the creation of risk events, pricing, trading, information collection and oracles to verdict specific risks. It will enable individuals and institutions around the globe to achieve risk and return equilibrium.

Uchino Hiroyuki - Founder And Chairman @ WingArc1st

Investment focus

Blockchain, Information Technology
Seed
Japan

Portfolio highlights

SingulaNet — SingulaNet Ltd provides a total solution using cutting-edge blockchain services.

Tomokaz Saito - Corporate Legal Manager @ Mercari

Investment focus

Finance, Security, Blockchain
Angel
Japan

Portfolio highlights

earlyworks — Earlyworks Co., Ltd. provides blockchain technology solutions. The Company develops hybrid blockchain product that is fast and secure. Earlyworks offers software and system development, consulting, and security solution services.

Yuki Naito - CEO,President @ Drecom

Investment focus

Manufacturing, Internet, SNS
Seed, Pre-Seed, Series B
Japan

Portfolio highlights

1SEC — 1sec is a virtual influencers in Japan,develop in-house and management. IMPACT to CEKAI in 1 second. Based on the concept of making CEKAI happy in one second, US based in Los Angeles and Japan, based in Tokyo, virtual influencers × AI, fashion & music & The company will develop a number of CEKAI's first and first projects in Japan inthe field of enter teignment.
Fools — Fools is a footwear manufacturing company.
Interstellar Technologies — Interstellar Technologies is a rocket development, manufacturing and launch service.

Born in 1975, Kenji Kasahara grew up in Osaka Prefecture. He graduated from the Department of Economics at the University of Tokyo. Inspired by the case studies of IT business he studied in a university seminar on management strategy and by the rapid rise of Internet business in Silicon Valley in the USA, he started up “Find Job !”, an online jobinformation site, in 1997. In 1999 Kasahara established eMercury, Inc. (mixi, Inc.) and assumed the post of representative director.

Investment focus

Aerospace, Information Technology, Robotics
Seed, Pre-Seed, Series B
Japan, United States

Portfolio highlights

AgeWell Japan — Age Well Japan is a conference and festival aimed at understanding Japan's super-aged society and defining new values for the future. The purpose of the gathering is to bring together young people and the elderly to exchange ideas.
ONE — One is a Japanese startup. It primarily creates and operates consumer apps, some of which have been sold to publicly traded Japanese corporations.This runs the BeReal exchange application "BeMatch."
Nicoli — Nicoli is a company that creates content and advertisements that increase happy time for parents and children .

Bo Shen - Founding/Managing Partner @ Fenbushi Capital

Investment focus

Blockchain, Cryptocurrency, Financial Services
Seed, Series A, Funding Round
United States, Switzerland, China

Portfolio highlights

Web3Port — Web3port BUILDS tools CONNECTING Web3.0 startups and contributors to ACCELERATE innovation.
Liquity — Liquity is a decentralized borrowing protocol that allows you to draw 0% interest loans against Ether used as collateral.
Global Risk Exchange — Global Risk Exchange (or "GRE") is a blockchain based, decentralized and open global risk exchange market, with the purpose of helping individuals, companies and organizations to access and trade and manage their risks. GRE completely reconstructed traditional risk management tools(insurance and derivative contracts) in a decentralizedway, and will become the underlying operation system to support insurance and derivative transactions in the era of blockchain. GRE aims to build the infrastructure and trading platform for risk management industry in the blockchain driven world in the near future, by providing a fundamental protocol for the creation of risk events, pricing, trading, information collection and oracles to verdict specific risks. It will enable individuals and institutions around the globe to achieve risk and return equilibrium.

Oki Matsumoto began his career at Salomon Brothers Asia Limited in April 1987. He then joined Goldman Sachs Japan Co., Ltd. in April 1990 and was appointed General Partner of The Goldman Sachs Group, L.P. in November 1994. As a General Partner, he was Co-Head of its Tokyo Branch’s FX & Fixed Income Business and was in charge of FX and fixedincome products and the related risk management. It was in April 1999 that Matsumoto jointly established (the former) Monex, Inc. with Sony Corporation. In August 2004, Matsumoto become the Representative Director and CEO of the Company (former name: Monex Beans Holdings, Inc.) upon its formation through management integration of Monex, Inc. and Nikko Beans Inc. He was named the Representative Director, Chairman and CEO of the Company in February 2011 and then assumed his current position in June 2013.

Investment focus

Information Technology, Cryptocurrency, FinTech
Angel, Seed, Series A
Japan, Taiwan, Australia

Portfolio highlights

Toposware — From pioneering cryptographic research to engineering global-scale distributed systems technologies, Toposware is committed to solving the hardest problems to advance open internet standards.
WATASHIHA — WATASHIHA is a communication company.
Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Kazuma Yamauchi

Investment focus

Content, Art, Social Media
Seed, Funding Round, Angel
Japan, Singapore, United States

Portfolio highlights

Sozi — The core members of Sozi are information technology experts. I have been involved in communication and web service development in the information society. On the other hand, each is familiar with many contents such as manga, anime, and illustrations .
Anique — Anique is a service that utilizes blockchain technology to make artworks.
Misaky Tokyo — Marine plant-based, handmade Japanese sweets. These crystal treats are individually handcrafted, the perfect gift idea! Vegan, gluten-free, and additive-free confectionery, with stunning flavors such as Yuzu, Matcha, and Rose. Supporting artisans in their craft. Japanese luxury sweets with a surprise inside.

Kazutaka Muraguchi

Investment focus

Blockchain, Financial Services
Seed, Angel
Japan

Portfolio highlights

warashibe — warashibe engages in the development and operation of blockchain-related products.
Gruff —
Crypto asset market —

Michael Maxwell Carter is CEO at Weeby.co.

Investment focus

Apps, Music, Dating
Seed, Pre-Seed, Series A
United States, South Korea

Portfolio highlights

Modhaus — Modhaus is a K-pop startup which aims to create the world's first open architecture entertainment ecosystem.
Callback — Callback is building a next-generation loyalty platform for independent stores
Dandy — Exclusively in LA, invite only.

Kei Yoshikoshi is the Co-founder of DeForm.

Investment focus

Web3, Blockchain, Non-Fungible Token (NFT)
Seed
Japan

Portfolio highlights

Apas Port — Apas Port is an NFT production firm that provides Web3 sessions, straining, and advisory services to clients seeking NFT projects.

Justin Waldron is Co-Founder & President of Playco, and previously Co-Founder / EVP of Product of Zynga, the world's largest mobile game company. Zynga IPO'd in 2011 with a $10 billion valuation and over $1b in annual revenue. Justin is an angel investor in Lambda School, Substack, and 60+ other companies. He mentors youngentrepreneurs at The Thiel Foundation's Thiel Fellowship program.

Investment focus

Software, E-Commerce, Mobile
Seed, Pre-Seed, Funding Round
United States, Japan, Chile

Portfolio highlights

AnotherBall — AnotherBall is a blockchain startup that combines entertainment and blockchain.
Proof of Play — We are a team of veteran game developers and entrepreneurs creating onchain games and open source technology. Our vision is simple: to create generation-defining games that fundamentally grant power and ownership to the players who play them.
Uncharted — Uncharted is a cryptocurrency-based gaming platform helps game developers and companies.

Shigeru Urushibara - President & CEO @ UL Systems

Investment focus

Artificial Intelligence, Task Management, Social Media
Series A, Seed, Angel
Japan

Portfolio highlights

EmbodyMe — Making the unimaginable, imaginable with AI
Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.
SingulaNet — SingulaNet Ltd provides a total solution using cutting-edge blockchain services.

Mai Fujimoto is known domestically and internationally as Miss Bitcoin. She has been promoting the spread of Bitcoin around the world since 2011.

Investment focus

Blockchain, Marketplace, Art
Seed, Funding Round, Series A
Japan, Canada, Hong Kong

Portfolio highlights

RSS3 — RSS3 is an open protocol designed for content and social networks in the Web 3.0 era.
GCR DAO — Global Coin Research is a Community-led DAO for Web3 Research & Investing. We source, vet & fund Pre-Seed to Series A opportunities. Join to Invest Together!
Brand New Vision — Brand New Vision uses smart contracts to help creators sell digital fashion and other accessories.

Fujiyo Ishiguro is a President & CEO at Netyear Group Corp. Fujiyo Ishiguro After working at Brother Industries and Swarovski Japan, Ms. Ishiguro founded a high-tech specialty consulting firm in Silicon Valley and advised clients such as Yahoo!, Netscape, Panasonic, and Sony on US-Japan alliances and technology transfers. She is a foundingmember of Netyear Group in US and Japan, devising comprehensive digital marketing solutions for corporate clients that resolve fundamental business issues as CEO. The company was listed on the Mothers section of the Tokyo Stock Exchange in 2008. Ms. Ishiguro graduated the School of Economics at Nagoya University and received an MBA from Stanford University. She had been a member of the Government committee for the past several years, such as Cabinet Office “The future to choose” Committee, METI (Ministry of Economy, Trade and Industry) “IoT” Committee, and so on.

Investment focus

Content, Marketing, Blockchain
Seed, Series B
Japan

Portfolio highlights

Netyear — Netyear offers a variety of strategic internet professional services that lead brands to their business innovation in the digital age. The company’s service portfolio includes strategic consulting, communication design, web development, data analysis, mobile application development, social media marketing, and more. Its clients include KDDI,Skyperfect TV, NHK Educational, and Recruit.Netyear was founded in 1999 and is based in Tokyo, Japan.
Cinnamon AI — Cinnamon AI develops AI-based business platforms to extend human potential by eliminating repetitive tasks. Cinnamon AI offers a computer system that has human intelligence such as academic, recognition, and judgment that helps to select appropriate and flexible correspondence according to the partner and circumstances, based on patternsaccumulated as data, allowing users to focus on creative work.
SingulaNet — SingulaNet Ltd provides a total solution using cutting-edge blockchain services.

Ziqi Jerry Zhou is the partner at Puzzle Ventures.

Investment focus

Security, Blockchain, Network Security
Seed
Japan

Portfolio highlights

KEKKAI — KEKKAI is a wallet Security product create an environment where all users can enjoy Web3 with ease and secure.

Hironao Kunimitsu was born in Hyogo, Japan. After graduating from Okayama High School, he spent several years traveling around the world. He visited over 30 countries including the US, China, India, Canada, and others in Central and South America.In 1996 he entered Fudan University in China, and then later went on to study at Santa MonicaCollege in the US. In 2004 he entered Atmovie Inc. where he produced movies and televised dramas, and was appointed company director in the same year. In 2007 he founded gumi Inc., and it started listing on first section of the Tokyo Stock Exchange in December, 2014.

Investment focus

Virtual Reality, Content, Media and Entertainment
Funding Round, Seed, Angel
Japan, United States

Portfolio highlights

1SEC — 1sec is a virtual influencers in Japan,develop in-house and management. IMPACT to CEKAI in 1 second. Based on the concept of making CEKAI happy in one second, US based in Los Angeles and Japan, based in Tokyo, virtual influencers × AI, fashion & music & The company will develop a number of CEKAI's first and first projects in Japan inthe field of enter teignment.
Gatari — Gatari is developing an AR audio platform, including the AR camera app Vismuth, which can call avatars in reality.
Thirdverse — Thirdverse (formerly known as Yomuneco Inc) is engaged in Virtual Reality content and services planning, development, sales and management.

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