Top 15 Social Network Angel Investors in Japan in May 2026
Top 15 Social Network Angel Investors in Japan in May 2026
| Investor | Social Network Japan investments |
|---|---|
| Kensuke Furukawa | 3 |
| Hironao Kunimitsu | 2 |
| Takeshi Aoki Yamato | 1 |
| Yusuke Sato | 1 |
| Ryo Ishizuka | 1 |
| Hiroaki Kitano | 1 |
| Masao Ito | 1 |
| Ayataro Nakagawa | 1 |
| Kazuhiro Ishikura | 1 |
| Yasuyuki Kin | 1 |
| Kazuma Ieiri | 1 |
| Yuto Nagatomo | 1 |
| Kamata Tomihisa | 1 |
| Seiichiro Wada | 1 |
| Kentaro Ruichi | 1 |
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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.
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- Content, Virtual Reality, Gaming
- Funding Round, Seed, Angel
- Japan, United States
Portfolio highlights
- Gatari — Gatari is developing an AR audio platform, including the AR camera app Vismuth, which can call avatars in reality.
- Graffity — Graffity to provide AR experiences globally and enrich life more conveniently and invent the AR entertainment experience and provide it globally.
- Thirdverse — Thirdverse (formerly known as Yomuneco Inc) is engaged in Virtual Reality content and services planning, development, sales and management.
Takeshi Aoki Yamato is the Representative Director of Capital Medica Ventures.
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- Social Media, Digital Media, Social Network
- Seed
- Japan
Portfolio highlights
- Chipee — Chipee is a social networking platform that enables its users to send digital gratitude in the form of chips.
Yusuke Sato is the Co-Representative and Co-Founder of Pulit.
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- Content, Internet, Food and Beverage
- Seed, Funding Round, Angel
- Japan, Indonesia, United States
Portfolio highlights
- Kaimak — Kaymak is a recruitment platform that focuses on creating a recruitment website, planning a recruitment strategy, and managing candidates.
- Meetscare — Meetscare provides correct information and supports the self-awareness of all people involved in care. The company provides a wealth of information to ensure optimal care and create a mechanism for the realization. Users can make a telephone consultation and web diagnosis and search for free information using the system.Meetscare was founded on2016 and is headquartered in Arakawa, Tokyo.
- Driver Technologies — Driver Technologies is a cloud logistics platform provider. It provides a solution for driver matching and cargo vehicle demands.
Ryo Ishizuka is the co-founder and CEO of Mercari, a hassle-free peer-to-peer mobile marketplace app. After founding the company in Japan and following its successful launch, Ryo leads Mercari's international expansion as the company grows globally. Prior to founding Mercari, Ryo was the Chief Architect at RockYou, a Silicon Valley startupbacked by Sequoia. At RockYou, he was responsible for developing the core infrastructures to support its rapidly growing traffic, serving more than 20 billion PVs per month. He later served as COO at RockYou Asia to lead its Asian expansion. Born in Japan and raised in the US, Ryo has spent his life constantly moving and building bridges between the two countries.
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- SNS, AgTech, Beauty
- Seed, Series A
- Japan, United States
Portfolio highlights
- Sagri — Sagri is developing agriculture software for experienced farmers.
- .sfty — Teatis is a plant-based sugar-blocking superfood powder for diabetic consumers.
- Flyp — Grow resale business with easy access to inventory and free automation tools. Join 10,000+ resellers today.
Hiroaki Kitano is the SVP at Softbank Mobile. He attended Waseda University.
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- Health Care, Fitness, Medical
- Seed, Angel, Debt Financing
- Japan, United States
Portfolio highlights
- GPx — GPx is a biotech company that revolutionizes remote chronic disease management with bloodless blood tests. It is dedicated to transforming the standard of care of cardiorenal diseases and enabling patients to better understand their condition, much like the continuous glucose monitor has transformed diabetes care.The company was founded in 2020and is based in Boston, Massachusetts.
- Epistra — Epistra accelerates research and development in life sciences.
- Activaid — Activaid owns and operates a social data platform for patients with inflammatory bowel disease. It allows patients to support and exchange information within the patient community with the same disease; provide information necessary for new drug development and matching to clinical trials that suits them; and improve medical treatment. YasuakiHasebe founded Activaid in 2018. It has its headquarters in Tokyo in Japan.
Masao Ito is a Founder & CEO at User Local.
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- Content, Social Media, Information Technology
- Seed, Series A, Angel
- Japan
Portfolio highlights
- Illusil — Illusil is a service that makes it easier for anyone to generate slide materials and reduces the amount of time needed to do it. Additionally, presentations can be automatically generated from text input by AI, and over 1,000 design templates can be used to build original slides.
- Alyaum — Aryaum supports "regional revitalization through NFT" by offering local governments all around the nation hometown tax and tourism NFT solutions.
- Driver Technologies — Driver Technologies is a cloud logistics platform provider. It provides a solution for driver matching and cargo vehicle demands.
2011 At university, participated in the founding period as a director of Atcole Co., Ltd., and started the web service experience.2012 Founded Peroli Co., Ltd., which operates a curation platform for women "MERY" .2014 Founded Peroli Co., Ltd. Sold to DeNA 2015 Jointly established Tokyo Founders Fund as an angel investor and startedinvesting in startups in Japan and overseas 2019 Appointed outside director of FIREBUG Co., Ltd.
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- Internet, Software, Content
- Seed, Angel, Funding Round
- Japan, Hong Kong, United States
Portfolio highlights
- Mepple — Mepple is planning, developing, and operating internet services.
- For you — For you is a comprehensive Advertising agency business specializing in SNS.
- SPORTS CROWN — SPORTS CROWN engages in the development and operation of fantasy sports.
Kazuhiro Ishikura served as the head of the Akatsuki Business Management Department in 2013 and as a corporate auditor of Akatsuki in 2014, contributing to the company's listing on the TSE Mothers and TSE 1st sections. Appointed 3minute CFO in 2015, engaged in business start-up and organizational design, and succeeded in large-scale M & Adeal with Glee. After leaving the company, he became a WARC director in November 2018. Certified public accountant.
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- Beauty, Content, Fashion
- Seed, Angel, Funding Round
- Japan
Portfolio highlights
- Neith — Neith is a apparel manufacturer, seller and a whoelseller of water absorbing bralette, lingerie and shorts for women.
- WARC — WARC provides hands-on support for business management departments as well as mergers and acquisition advisory services.
- Vitalogue Health — Vitalogue Health offers Canvas, a home-based hormone testing service for women.
Yasuyuki Kin
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- Media and Entertainment, Recruiting, Career Planning
- Seed, Angel, Pre-Seed
- Japan
Portfolio highlights
- Onepair — Onepair is a job consulting and recruiting company. Onepair is to co-creating careers by talking about real-world ace with active ace.
- Strainer Co., Ltd. — Strainer Co., Ltd. is an information distribution platform that conveys corporate information centered on financial data. Although there are not a few media to deliver financial information, the company's strengths are strong to be easily viewed, including financial information of overseas companies.
- LAMILA — LAMILA develops system that improves the creation of retail stores.
Born in 1978 and raised in Fukuoka prefecture, Kazuma founded paperboy&co. inc. (currently GMO Pepabo) and went on to become the youngest CEO ever (at the time) to take a company public in Japan by taking paperboy&co. public on the JASDAQ Japanese stock exchange. After leaving paperboy&co, he continued his startup trail by foundingBASE, CAMPFIRE, and XIMERA. Kazuma also dabbled in the food services industry via the founding of On The Corner (a cafe) and is active in the startup investment scene. He also started the Liverty-house project which attempts to create shared housing for young people in need.
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- Content, Fashion, FinTech
- Seed, Angel, Funding Round
- Japan
Portfolio highlights
- Taliki — Taliki is a Coworking Space Operates Social Entrepreneurs Development Support for Intrepreneur Development.
- One Nova — One Nova (ワンノバ) is a lifestyle brand and online platform that offers a range of innerwear products, such as men's boxers.
- Vivid Garden — vivid garden is an Agriculture company.
Yuto Nagatomo - President, CEO, and Founder @ Cuore Co., Ltd.
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- SNS, Video, Beauty
- Funding Round, Seed, Angel
- Japan
Portfolio highlights
- MIL — MIL is a marketing company it can be used for a wide range of video marketing such as video commerce , O2O measures , recruitment videos , and landing videos.
- Now Do — Now Do provides online growth revolution platform.
- SAURUS JAPAN —
Dr. Kamada earned his Ph.D. at the University of Tokyo. In 1984, he pursued his journey to establish his own business that focused on information appliances and mobile software, namely ACCESS Co., Ltd.. With great success, the company entered the Tokyo Stock Exchange Mothers Market in 2001. He left ACCESS Co., Ltd. in 2011, and founded TomyK Ltd.in 2012 where he supports startups possessing revolutionary business ideas that revitalize the Japanese economy.
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- Fitness, Medical, Genetics
- Seed, Angel
- Japan, United States
Portfolio highlights
- Activaid — Activaid owns and operates a social data platform for patients with inflammatory bowel disease. It allows patients to support and exchange information within the patient community with the same disease; provide information necessary for new drug development and matching to clinical trials that suits them; and improve medical treatment. YasuakiHasebe founded Activaid in 2018. It has its headquarters in Tokyo in Japan.
- Genomelink — Genomelink is a platform where people discover more with their DNA data and help businesses build, market and do research with it. The best founders in consumer genomics with real experience in the industry for many years, including M3, Inc. ($13B valued Meditech in Japan), a founding member of the Japanese version of 23andMe, and leadbioinformatician and software engineer at a joint-venture between Illumina and Sony. Raised $4M for Seed Round from Berkeley SkyDeck, SONY, and top-tier Japanese VCs. Supported by Illumina Accelerator, Carlos Bustamante Lab at Stanford University among others.
- MinD in a Device — MinD in a Device Co., Ltd. is a university-launched venture that aims to port human consciousness to devices (machines and computers) in the medium to long term based on long-term research results on consciousness. As the first step toward realization, we will evolve and deepen the "generation model" considered to be the source ofconsciousness, and promote the development of next-generation AI and social implementation.
Seiichiro Wada started his career as employee No.5 at a technology startup. He then joined Dwango, the fast-growing startup that operates Japanese Youtube "Niko Niko Douga", incubating new businesses for the company and then helped the company go public. After that, he joined Monex Group, the leading online brokerage group in Japan, andled new businesses there as well. He also helped establish Monex Ventures as the CVC of Monex Group first and then raised funds from external LPs for an independent early-stage venture capital. He has invested in more than 100 early stage startups, including Money Forward (IPO), Uzabase (IPO), Mentalhealth Technologies (IPO), MFS (IPO), Folio, Emerada, Gracia, and orb.
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- Legal, Content, Information Technology
- Seed, Series A, Series B
- Japan
Portfolio highlights
- Chipee — Chipee is a social networking platform that enables its users to send digital gratitude in the form of chips.
- AGRI SMILE — AGRI SMILE is a platform that focuses on sharing agricultural technology.
- CharacterBank — CharacterBank offers game development and production services using VR technology.
Ruichi Kentaro is an Angel Investor.
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- Content, Video Games, Social Network
- Seed
- Japan
Portfolio highlights
- Graffity — Graffity to provide AR experiences globally and enrich life more conveniently and invent the AR entertainment experience and provide it globally.
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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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Portfolio highlights
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iiba
— Iiba is a geospatial platform that specializes in providing location information related to child-rearing.
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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.
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Neighbor
— Neighbor is a metaverse game developer that specializes in Fortnite.
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