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Top 10 Big Data Angel Investors in Japan (May 2026)

The most active angel investors investing in Japan Big Data startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in Japan Big Data startup companies. Find investors to raise a Seed, Series A or Angel round with Shizune.
Investor Relevant Deals Geography Stage Focus Round Size
Takaya Shinozuka
Angel
2 Japan Seed, Angel, Series A Internet, Local, Advertising $8.9M–$66M
Kotaro Chiba
Angel
2 Japan, United States Seed, Series A Internet, Content, Software $343k–$73M
Yusaku Maezawa
Angel
1 Japan, United States Seed, Series C Gaming, Cryptocurrency, Financial Services
Shunsuke Ikegami
Angel
1 Japan Seed Social, Cooking, Big Data
Shuichi Takenaga
Angel
1 Japan Seed, Angel Information Technology, Management Consulting, Marketing $1.2M–$62M
Jo Hirao
Angel
1 Japan, Indonesia, Singapore Series B, Seed, Series C Retail, E-Commerce, College Recruiting
Hiroshi Tomishima
Angel
1 Japan, United States Seed, Series A Internet, E-Commerce, Big Data
Kensuke Furukawa
Angel
1 Japan Seed, Angel Content, Media and Entertainment, Software $961k–$41M
Hiroshi Sawa
Angel
1 Japan Social, Big Data, Analytics
Takeshi Hirano
Angel
1 Japan Seed Big Data, Aerospace, Machine Learning
Access all 19 angel investors in Japan Big Data startups.

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Investor list

Takaya Shinozuka
Angel · Tokyo, Tokyo, Japan · 2 investments in Japan Big Data startups

Takaya Shinozuka is the President, CEO, and Founder at Reiwa Travel.

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Investment focus

  • Industry: Internet, Local, Advertising
  • Stage:Seed, Angel, Series A
  • Geography: Japan

Investor stats

  • Total investments: 6
  • Round size: Seed $8.9M–$66M
  • Lead/follow: 17% lead, 83% follow

Portfolio highlights

  • Now Do — Now Do provides online growth revolution platform.
  • KAUCHE — X Asia creates enjoyable shopping experience.
  • Luup — Luup is an Internet Company.
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Kotaro Chiba
Angel · Tokyo, Tokyo, Japan · 2 investments in Japan Big Data startups

Kotaro Chiba is the founder of ChibaDojo Fund. Kotaro Chiba attended Keio University.

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Investment focus

  • Industry: Internet, Content, Software
  • Stage:Seed, Series A
  • Geography: Japan, United States

Investor stats

  • Total investments: 67
  • Round size: Seed $343k–$41M; Series A $13M–$73M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • MI-6 — MI-6 is a research, development, consulting, and project management for material development using IT. We will promote materials informatics in the field of material development with our technological capabilities and a wealth of project knowledge that challenge the world's most advanced technologies .
  • ELESTYLE — ELESTYLE are promoting mobile payments and providing high value-added services for users to realize a cashless society.
  • Luup — Luup is an Internet Company.
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Yusaku Maezawa
Angel · Mihama, Kyoto, Japan · 1 investments in Japan Big Data startups

Yusaku Maezawa is a Founder at Zozotown.

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Investment focus

  • Industry: Gaming, Cryptocurrency, Financial Services
  • Stage:Seed, Series C
  • Geography: Japan, United States

Investor stats

  • Total investments: 5
  • Lead/follow: no public data

Portfolio highlights

  • WEB3DEV — The biggest web3 developers community in Latin America is based on 3 pillars: Community, Education and Building. Community: We created mechanisms with incentives to engage a community of software developers to create exclusive and high quality content about web3 technologies. The community members help each other to enter the web3 space. Our community is organized in pods, each pod for a different theme or blockchain. Each pod has a leader, which helps that pod to evolve, promoting growth to the ecosystem and the whole web3dev community. We already have leaders for Ethereum, Cardano, Algorand and Solana. We incentivize those pods, creating bounties and paying individual contributors when they create new content and deliver value. Education: The education platform, created by the community, is the place where everybody effectively learns about blockchain technologies. The courses are didactic self-paced project based learning. We give NFT reward as certificates for students who finish the projects. Building: We find companies that need developers and match our talent community members with maker demands. We build developers team for web3 companies and help these teams to succeed.
  • space data — Space Data is based on an algorithm that will allow the AI to know the geospatial data of the Earth & easily assign another "Earth" in VR.
  • Thirdverse — Thirdverse (formerly known as Yomuneco Inc) is engaged in Virtual Reality content and services planning, development, sales and management.
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Shunsuke Ikegami
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

Shunsuke Ikegami is an angel investor.

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Investment focus

  • Industry: Social, Cooking, Big Data
  • Stage:Seed
  • Geography: Japan

Investor stats

  • Total investments: 2
  • Lead/follow: no public data

Portfolio highlights

  • CoCooking — CoCooking uses food and cooking to create ample opportunity for dialogue and thought, fostering creativity, diversity, and well-being of individuals and communities.
  • Datasection — Datasection is a social big data company that provides various big data analysis tools for its clients. It specializes in marketing research, data provision and processing, image analysis, overseas SNS, and data utilization and optimization. Datasection was founded in 2000.
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Shuichi Takenaga
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

Takenaga Shuuichi is an individual investor.

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Investment focus

  • Industry: Information Technology, Management Consulting, Marketing
  • Stage:Seed, Angel
  • Geography: Japan

Investor stats

  • Total investments: 12
  • Round size: Seed $1.2M–$62M; Angel $14M–$14M
  • Lead/follow: 25% lead, 75% follow

Portfolio highlights

  • Morght — Morght is an information technology service company.
  • Tagpic — Tagpic offers influencer marketing targeting services such as influencer casting, SNS branding, and talent production.
  • H&H Group Japan — H&H Holdingsis a Professional Services company.
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Jo Hirao
Angel · 1 investments in Japan Big Data startups

Jo Hirao

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Investment focus

  • Industry: Retail, E-Commerce, College Recruiting
  • Stage:Series B, Seed, Series C
  • Geography: Japan, Indonesia, Singapore

Investor stats

  • Total investments: 4
  • Lead/follow: no public data

Portfolio highlights

  • Ralali — Ralali.com, Pusat toko grosir online pertama di Indonesia, sebagai b2b wholesale marketplace platform yang menghubungkan supplier, distributor dengan retail.
  • Docquity — Exchange ideas with the best doctors in the region. Receive educational resources designed by well known and respected leaders. Attend virtual discussions
  • space data — Space Data is based on an algorithm that will allow the AI to know the geospatial data of the Earth & easily assign another "Earth" in VR.
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Hiroshi Tomishima
Angel · 1 investments in Japan Big Data startups

Hiroshi Tomishima is the President and Founder of Zkyuun Entertainment and an Executive Director at Mercari.

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Investment focus

  • Industry: Internet, E-Commerce, Big Data
  • Stage:Seed, Series A
  • Geography: Japan, United States

Investor stats

  • Total investments: 9
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Hireroo — HireRoo is an online coding test service that checks the skills of engineers through programming tests. It provides problems that correspond to a wide range of levels, from new graduates to mid-career tech leads, engineering managers, and various occupations. They also provide coding test planning and execution services.
  • Anyplace — Rent move-in-ready apartments designed for productivity. Fully furnished, including a state-of-the-art home office setup. Available for short or long-term stays.
  • space data — Space Data is based on an algorithm that will allow the AI to know the geospatial data of the Earth & easily assign another "Earth" in VR.
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Kensuke Furukawa
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

Kensuke Furukawa was born in June 2, 1981. He graduated Waseda University majoring Political Science and Economics, and in 2000, he launched "Milkcafe", a student community, which has grown to a site with 10 million PV per month. In 2004, he became the CEO of Media Clip, which operates a rental bulletin board service "ShitarabaBBS". After that year, he had transfer "Shitaraba BBS" to Livedoor, and took charge of starting up the Consumer Generated Media sector. In 2006, he joined Recruit, and took charge of starting up a new business at Business development sector. In June of 2009, he left Recruit, and became the CEO of nanapi (formerly Rocket Start), which operates the How-to Site "nanapi".

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Investment focus

  • Industry: Content, Media and Entertainment, Software
  • Stage:Seed, Angel
  • Geography: Japan

Investor stats

  • Total investments: 37
  • Round size: Seed $961k–$41M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Plott — Plott producing youtube animation platform under Vision “Become a Content holder from YouTube”. In August 2019, the company name was changed from Fabo to Plott. Plott, the new company name, is derived from the plot that you make before writing novels, etc., and the idea that “I want to make content all the time” is put in the company name.
  • Now Do — Now Do provides online growth revolution platform.
  • FiNANCiE — FiNANCiE is a social networking service.
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Hiroshi Sawa
Angel · 1 investments in Japan Big Data startups

Joined Fujitsu Limited in 1991, after working at Osaka City University's Faculty of Science. He has a wide range of business experience, from programming to new business development, such as developing Internet services. After that, engaged in IT-related new business development at Sojitz Corporation, and at a major business investmentcompany, engaged in business investment in venture companies, creation of business plans for companies, launching new services, and M & A. In 2008, he became an outside director of eLicense Corporation. In 2009, he was appointed Representative Director of Data Section Co., Ltd. after developing a trend analysis service utilizing big data. Listed on the Tokyo Stock Exchange Mothers on December 24, 2014. Outside director of Japan Data Exchange, Inc. Currently, he is an outside director of Solid Intelligence Co., Ltd. In June 2018, he became chairman.

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Investment focus

  • Industry: Social, Big Data, Analytics
  • Geography: Japan

Investor stats

  • Total investments: 1
  • Lead/follow: no public data

Portfolio highlights

  • Datasection — Datasection is a social big data company that provides various big data analysis tools for its clients. It specializes in marketing research, data provision and processing, image analysis, overseas SNS, and data utilization and optimization. Datasection was founded in 2000.
Show all investments...

Takeshi Hirano
Angel · 1 investments in Japan Big Data startups

Takeshi Hirano - Auditor (External) @ Morpho

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Investment focus

  • Industry: Big Data, Aerospace, Machine Learning
  • Stage:Seed
  • Geography: Japan

Investor stats

  • Total investments: 1
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • space data — Space Data is based on an algorithm that will allow the AI to know the geospatial data of the Earth & easily assign another "Earth" in VR.
Show all investments...

Big Data Angel investor funding in Japan at a glance

Stats across 12 deals from 19 investors.

19
investors
in Japan Big Data startups
12
deals
in Japan Big Data startups
$5.4M
median round
in Japan Big Data startups
5%
lead investors
lead at least one round
33%
Seed
most common funding stage

Access all 19 angel investors in Japan Big Data startups.

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