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Top 15 Big Data Angel Investors in Japan (October 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
Kensuke Furukawa
Angel
2 Japan Seed, Venture - Series Unknown, Angel Content, Internet, Media and Entertainment $63k–$36M
Takaya Shinozuka
Angel
2 Japan Seed, Angel, Series A E-Commerce, Local, Content $610k–$4.3M
Kotaro Chiba
Angel
2 Japan, United States Seed, Venture - Series Unknown, Series A Information Technology, Content, Software $215k–$18M
Naoki Shibata
Angel
1 Japan Seed Big Data, Software, IT Management
Yusaku Maezawa
Angel
1 Japan, United States Seed, Series C, Series A Aerospace, Blockchain, Cryptocurrency $500k–$15M
Jo Hirao
Angel
1 Japan, Indonesia, Singapore Series B, Seed, Series C Retail, Medical, Big Data $6.5M–$11M
Shuichi Takenaga
Angel
1 Japan Seed, Angel, Series A Marketing, Financial Services, Management Consulting $706k–$15M
Hiroki Nakamura
Angel
1 Japan Seed, Series A Software, Web Design, Sales $437k–$18M
Kiyoshi Nishikawa
Angel
1 Japan, United States Seed, Pre-Seed News, Social Media, Big Data $77k–$2.8M
Uenoyama Katsuya
Angel
1 Japan Seed, Angel, Series A Fashion, Software, Advertising $610k–$672k
Shunsuke Ikegami
Angel
1 Japan Seed Social, Cooking, Big Data
Keisuke Tomimatsu
Angel
1 Japan Angel CRM, Big Data, Analytics
Takeshi Hirano
Angel
1 Japan Seed Big Data, Aerospace, Machine Learning
Nobuhiro Ariyasu
Angel
1 Japan, Singapore Seed, Angel, Series A Finance, Content, Internet $177k–$40M
Kento Hayashi
Angel
1 Japan Series A Social, Big Data, Analytics
Access all 23 angel investors in Japan Big Data startups.

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822 industries, 177 countries. Updated daily. Emails and phones included.

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Investor list

Kensuke Furukawa
Angel · Tokyo, Tokyo, Japan · 2 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, Internet, Media and Entertainment
  • Stage:Seed, Venture - Series Unknown, Angel
  • Geography: Japan

Investor stats

  • Total investments: 42
  • Round size: Seed $63k–$2.6M; Angel $64k–$457k; Venture - Series Unknown $537k–$36M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • iiba — Iiba is a geospatial platform that specializes in providing location information related to child-rearing.
  • Tohakusha — Tohakusha is a creative agency that offers design, production and sale of digital content and EC websites, and content creation services.
  • Neighbor — Neighbor is a metaverse game developer that specializes in Fortnite.
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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: E-Commerce, Local, Content
  • Stage:Seed, Angel, Series A
  • Geography: Japan

Investor stats

  • Total investments: 7
  • Round size: Seed $610k–$4.3M
  • Lead/follow: 29% lead, 71% follow

Portfolio highlights

  • KAUCHE — KAUCHE is a discovery-based e-commerce model where friends and family can “discover” and purchase daily sale items together. They provide services for online retail shops. KAUCHE is committed in creating an exciting shopping experience for both customers and partners who want to sell products.
  • Now Do — Now Do provides online growth revolution platform.
  • KAUCHE — X Asia creates enjoyable shopping experience.
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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: Information Technology, Content, Software
  • Stage:Seed, Venture - Series Unknown, Series A
  • Geography: Japan, United States

Investor stats

  • Total investments: 78
  • Round size: Seed $215k–$18M; Series A $841k–$14M; Venture - Series Unknown $947k–$11M
  • Lead/follow: 9% lead, 91% 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 Japan's #1 e-scooter and e-bike sharing service provider. Luup currently operates in Tokyo, Osaka, Kyoto, and Yokohama, while planning to expand to other cities all over Japan. The service is based on a high-density port network, where anyone can rent and return to their original fleets.
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Naoki Shibata
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

Mitsuhiro Mukoda is the Founder and CEO at XTREME-D.

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Investment focus

  • Industry: Big Data, Software, IT Management
  • Stage:Seed
  • Geography: Japan

Investor stats

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

Portfolio highlights

  • XTREME-D — XTREME-D, formerly known as XTREME-Design Inc., is well-known in Japan for architecting technical computing in the cloud. The award-winning company develops and sells XTREME-DNA, a cloud-based, virtual, supercomputing-on-demand service. XTREME-DNA was launched to cut costs and make it easy to build HPC clusters in just in 10 minutes.XTREMEDEISIGN Inc. was founded in February 2015 by Naoki Shibata. And it is based in Tokyo.
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Yusaku Maezawa
Angel · Mihama, Kyoto, Japan · 1 investments in Japan Big Data startups

Yusaku Maezawa is based out of Tokyo and is the Art Collector Entrepreneur and Founder of Zozotown. Yusaku Maezawa attended Waseda Jitsugyo High School.

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Investment focus

  • Industry: Aerospace, Blockchain, Cryptocurrency
  • Stage:Seed, Series C, Series A
  • Geography: Japan, United States

Investor stats

  • Total investments: 10
  • Round size: Seed $500k–$11M; Series C $2.2M–$15M
  • Lead/follow: 40% lead, 60% follow

Portfolio highlights

  • JOYCLE — JOYCLE is a waste management company that specializes in trash recycling, disposal, and environmental consulting services.
  • HashPort — HashPort is a leading solution provider that strives to innovate Japan with block chain technology
  • Olive Union — Introducing the Olive Smart Ear: A Cool, Affordable Wearable That Removes the Stigma from Impaired Hearing. Each Olive Smart Ear is a single-ear hearing amplifier that improves the sound of everyday life and is customized to your own hearing. When paired to smartphone with Bluetooth, each earbud can also amplify phone
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Jo Hirao
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

Jo Hirao

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Investment focus

  • Industry: Retail, Medical, Big Data
  • Stage:Series B, Seed, Series C
  • Geography: Japan, Indonesia, Singapore

Investor stats

  • Total investments: 4
  • Round size: Series B $6.5M–$11M
  • Lead/follow: 50% lead, 50% follow

Portfolio highlights

  • Ralali — Ralali.com, Pusat toko grosir online pertama di Indonesia, sebagai b2b wholesale marketplace platform yang menghubungkan supplier, distributor dengan retail.
  • Docquity — Every doctor's thinking partner. Used and trusted by +500,000 doctors across 9 countries.
  • space data — Space Data is based on an algorithm that allows the AI to recognize geospatial data from the Earth and easily assign another Earth in VR. The company is developing an algorithm to automatically generate another "Earth" in virtual space using 3DCG technology by making the AI understand the geospatial information of the Earth by learningthe vast amount of ground observation data available from satellites. They want to create an AI that can reconstruct the "world" in virtual space by learning all kinds of data from this world, such as traffic volume, pedestrian traffic, day and night, four seasons, temperature, plant distribution, and nighttime light intensity. Its goal is to build a future in which everyone has the ability to create their own world (universe) and shape their own destiny without regard for race, gender, appearance, or environment.
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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: Marketing, Financial Services, Management Consulting
  • Stage:Seed, Angel, Series A
  • Geography: Japan

Investor stats

  • Total investments: 12
  • Round size: Seed $706k–$14M; Angel $14M–$15M
  • Lead/follow: 33% lead, 67% 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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Hiroki Nakamura
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

After joining DENTSU, I initially produced only banner advertising, but it is expected to be active, and I will be able to work on a number of digital campaigns. In 2011, he became independent and founded PARTY with four members. Cannes Lions Young Competition, Japan's Cyber Division, 2nd place in the world. He has received more than 250advertising awards in Japan and abroad. Recent masterpieces include Lady Gaga's life-size hearing aids “GAGADOLL”, “UNIQLO / UT Picks”, “Suntory / Intensive Regain”, “TOYOTA / TOWN”, such as “Shizukita-” all digital campaigns. TOKYO FM Radio “Sawamoto Gonpachi will end soon.” Guest Personality.

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Investment focus

  • Industry: Software, Web Design, Sales
  • Stage:Seed, Series A
  • Geography: Japan

Investor stats

  • Total investments: 5
  • Round size: Seed $437k–$18M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Edoga — Edoga is a VR production and education company. Edoga offer services such as "VR training" and "off-site VR".
  • Collectest — Collectest specializes in integrating AI into trading card appraisal procedures that show current market pricing and verify authenticity.
  • Be-A Japan — Bé-A Japan producer and distributor of fashion accessories. They provide products that include underwear, sanitary napkins, interior goods, fashion accessories, health foods, and cosmetic products. They offer products that are available for shopping online.
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Kiyoshi Nishikawa
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

After working at KDD Corporation (Currently known as KDDI Corporation), Kiyoshi Nishikawa next went to work at Arthur D. Little Inc. in the United States, where he became inspired to start his own company. After returning to Japan, he established a Japanese corporation of the world’s largest Internet company, America On Line, LLC. Later andbased on this experience and the relationships he developed, he founded the first Internet business incubator, NETAGE, Inc. After serving as the President and CEO of NETAGE Group, he later became and still serves as the Chairman of ngi group, inc. Kiyoshi was one of the main entrepreneurs responsible for proposing and realization of “Shibuya Bit Valley Concept” and is well known for his various speeches and writings. He is a graduate of the Department of Education at Tokyo University.

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Investment focus

  • Industry: News, Social Media, Big Data
  • Stage:Seed, Pre-Seed
  • Geography: Japan, United States

Investor stats

  • Total investments: 12
  • Round size: Seed $77k–$2.8M
  • Lead/follow: 8% lead, 92% follow

Portfolio highlights

  • PoliPoli — PoliPoli is a next-generation politics co-creation platform where you can participate like a game. Politicians from all over Japan post their policies in an easy-to-understand manner, and those who sympathize can enjoy working on the "missions" necessary to realize the policies.
  • Astroscale — Astroscale is one of the few companies in the world proposing to aid in the removal of orbital debris through the provision of End of Life (EOL) and Active Debris Removal (ADR) services. In addition to providing a technical solution, Astroscale is helping to define the business case for this service and are working with national space agencies,international institutions, non-profit organizations, insurance companies and satellite operators to develop norms, regulations and incentives that contribute to the responsible use of space.
  • TECHFUND — TechFund is a venture capital firm specializing in incubation and seed stage investments. The company is headquartered in Tokyo, Japan.
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Uenoyama Katsuya
Angel · Burlingame, California, United States · 1 investments in Japan Big Data startups

Uenoyama Katsuya is based out of Burlingame, California, and is the CEO and Founder of PKSHA Technology. Uenoyama previously worked at The Boston Consulting Group as a Consultant. Uenoyama Katsuya attended The University of Tokyo.

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Investment focus

  • Industry: Fashion, Software, Advertising
  • Stage:Seed, Angel, Series A
  • Geography: Japan

Investor stats

  • Total investments: 5
  • Round size: Seed $610k–$672k
  • Lead/follow: 20% lead, 80% follow

Portfolio highlights

  • Babel — Babel is creating meaningful media for users and expanding globally.
  • AppBrew — AppBrew is a technology company that develops internet services focused on the beauty industry. The company operates the LIPS platform, which features user reviews and various campaigns for social commerce. AppBrew also offers a marketing tool called "LIPS for BRANDS" to help beauty companies analyze user behavior and design strategies.
  • Neural Pocket — Neural Pocket provides Smart City related services for commercial buildings and urban spaces utilizing AI enabled image recognition technology. The company focuses on business development and co-creation serve its clients. Other applications include solutions for digitalization of factories, warehouses, parking lots and retail stores.
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822 industries, 177 countries. Updated daily. Emails and phones included.

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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: 0% lead, 100% follow

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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Keisuke Tomimatsu
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

Keisuke Tomimatsu - Member of the board @ Musashi Seimitsu Industry

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Investment focus

  • Industry: CRM, Big Data, Analytics
  • Stage:Angel
  • Geography: Japan

Investor stats

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

Portfolio highlights

  • ABEJA — ABEJA develops AI business solutions utilizing deep learning.
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Takeshi Hirano
Angel · Littleton, Colorado, United States · 1 investments in Japan Big Data startups

Takeshi Hirano is a Geologist at BBCM Engineering.

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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 allows the AI to recognize geospatial data from the Earth and easily assign another Earth in VR. The company is developing an algorithm to automatically generate another "Earth" in virtual space using 3DCG technology by making the AI understand the geospatial information of the Earth by learningthe vast amount of ground observation data available from satellites. They want to create an AI that can reconstruct the "world" in virtual space by learning all kinds of data from this world, such as traffic volume, pedestrian traffic, day and night, four seasons, temperature, plant distribution, and nighttime light intensity. Its goal is to build a future in which everyone has the ability to create their own world (universe) and shape their own destiny without regard for race, gender, appearance, or environment.
Show all investments...

Nobuhiro Ariyasu
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

Nobuhiro Ariyasu is the CEO at Coach United.

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Investment focus

  • Industry: Finance, Content, Internet
  • Stage:Seed, Angel, Series A
  • Geography: Japan, Singapore

Investor stats

  • Total investments: 52
  • Round size: Seed $330k–$8.2M; Angel $177k–$626k; Series A $1.4M–$40M
  • Lead/follow: 8% lead, 92% follow

Portfolio highlights

  • Grafto — Grafto operates “Mylo Magazine,” a platform dedicated to sharing and promoting trend culture, where readers can explore the latest developments in lifestyle, fashion, art, and emerging cultural movements through engaging and curated content.
  • FLASH — FLASH is an entertainment and technology startup.
  • OPERA TECH — OPERA Lead is a sales-focused AI web chatbot service from Opera Technology that turns websites into 24/7 "exhibit booths" for lead generation.It deploys AI sales assistants on existing sites (via simple tag embedding, no redesign needed) to engage the 99% of visitors who don't convert via inbound methods alone. Key capabilitiesinclude direct booking of meetings, guiding users to whitepapers/webinars, and targeted lead qualification for efficient deal progression.
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Kento Hayashi
Angel · Tokyo, Tokyo, Japan · 1 investments in Japan Big Data startups

Kento Hayashi - President & CEO @ Datasection

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Investment focus

  • Industry: Social, Big Data, Analytics
  • Stage:Series A
  • Geography: Japan

Investor stats

  • Total investments: 2
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Fabeee — "Fabeee" meant to support customers with the challenge of new manufacturing and with all efforts. The line between offline and online is no longer there, and manufacturing is about to change. We will fundamentally change the definition of manufacturing and support customers from various angles.
  • 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...

Big Data Angel investor funding in Japan at a glance

Stats across 15 deals from 23 investors.

23
investors
in Japan Big Data startups
15
deals
in Japan Big Data startups
$1.9M
median round
in Japan Big Data startups
9%
lead investors
lead at least one round
47%
Seed
most common funding stage

Access all 23 angel investors in Japan Big Data startups.

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