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Top 15 Big Data Angel Investors in Japan in April 2025

Last updated: Apr 2025 A list of 15 angel investors that invest in Big data startups based in Japan. We rank investors based on the number of investments they made in Big data companies from Japan. We update this investor list every month.

Top 15 Big Data Angel Investors in Japan in April 2025

Investor	Big Data Japan investments
Takaya Shinozuka	2
Kotaro Chiba	2
Kotaro Chiba	2
Hiroshi Tomishima	1
Shunsuke Ikegami	1
Jo Hirao	1
Takeshi Hirano	1
Uenoyama Katsuya	1
Kensuke Furukawa	1
Kiyoshi Nishikawa	1
Hiroshi Sawa	1
Yasumasa Manabe	1
Nobuhiro Ariyasu	1
Keisuke Tomimatsu	1
Shuichi Takenaga	1

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Investor list

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

Investment focus

Internet, Local, Advertising
Seed, Angel, Series A
Japan

Portfolio highlights

Now Do — Now Do provides online growth revolution platform.
KAUCHE — X Asia creates enjoyable shopping experience.
Luup — Luup is an Internet Company.

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

Investment focus

Information Technology, Content, Internet
Seed, Funding Round, Series A
Japan, United States

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.

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

Investment focus

Information Technology, Drones, Software
Seed, Funding Round, Series A
Japan, United States

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.

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

Investment focus

Internet, E-Commerce, Big Data
Seed, Funding Round, Series A
Japan, United States

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 — Find furnished accommodations to rent for a month or longer. Choose apartments catered for remote work with an equipped home office and high-speed internet.
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.

Shunsuke Ikegami is an angel investor.

Investment focus

Social, Cooking, Big Data
Seed, Funding Round
Japan

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.

Jo Hirao

Investment focus

Retail, E-Commerce, College Recruiting
Series B, Seed, Series C
Japan, Indonesia, Singapore

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 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.

Takeshi Hirano - Auditor (External) @ Morpho

Investment focus

Big Data, Aerospace, Machine Learning
Seed
Japan

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.

Uenoyama Katsuya - CEO @ PKSHA Technology

Investment focus

Fashion, Software, Advertising
Seed, Angel, Corporate Round
Japan

Portfolio highlights

Babel — Babel is creating meaningful media for users and expanding globally.
AppBrew — AppBrew develops LIPS, a mobile application for users to share and read real reviews on cosmetics, nail care, personal care, hair care, and other related products of different brands. The company was founded in 2016 and is based in Tokyo, Japan.
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.

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".

Investment focus

Content, Media and Entertainment, Social Media
Seed, Funding Round, Angel
Japan

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.
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.

After working at KDD Corporation ï¼ˆCurrently known as KDDI Corporationï¼‰, 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 worldâ€™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 â€œShibuya Bit Valley Conceptâ€ and is well known for his various speeches and writings. He is a graduate of the Department of Education at Tokyo University.

Investment focus

News, Social Media, Big Data
Seed, Funding Round, Pre-Seed
Japan, United States

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 the first private company with a vision to secure the safe and sustainable development of space for the benefit of future generations, and the only company solely dedicated to on-orbit servicing across all orbits.
TECHFUND — TechFund is a venture capital firm specializing in incubation and seed stage investments. The company is headquartered in Tokyo, Japan.

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.