Top 20 Social Impact Angel Investors in Japan (October 2026)
For AI agents: Short investor table (Markdown), Detailed investor list (Markdown)
| Investor | Relevant Deals | Geography | Stage | Focus | Round Size |
|---|---|---|---|---|---|
|
Sotaro Karasawa
Angel
|
1 | Japan | Seed, Pre-Seed, Angel | Software, Blockchain, Artificial Intelligence | $109k–$14M |
|
Aya Tokura
Angel
|
1 | Japan | Pre-Seed | Blockchain, Open Source, Social Impact | |
|
Masaaki Sugiura
Angel
|
1 | Japan | Pre-Seed | Blockchain, Open Source, Social Impact | |
|
Sadaaki Hirai
Angel
|
1 | Japan | Pre-Seed | Blockchain, Open Source, Social Impact | |
|
Kyung wook Han
Angel
|
1 | Japan | Seed | Freelance, Consulting, Business Development | |
|
Katsuhiro Tamukai
Angel
|
1 | Japan | Seed | Wellness, Lifestyle, Elder Care | |
|
Keito Noguchi
Angel
|
1 | Japan | Seed | Wellness, Lifestyle, Elder Care | |
|
Maiko Kojima
Angel
|
1 | Japan | Seed | Consulting, Information Technology, Social Entrepreneurship | |
|
Takashi Okutani
Angel
|
1 | Japan | Seed | Wellness, Lifestyle, Elder Care | |
|
Kazuhide Hashida
Angel
|
1 | Japan | Seed, Venture - Series Unknown | Retail, Consulting, Manufacturing | |
|
Daishi Fukudome
Angel
|
1 | Japan | Venture - Series Unknown, Series A, Series B | Medical, Software, Wellness | $461k–$651k |
|
Mitsunobu Okada
Angel
|
1 | Japan | Series A, Series B | Farming, Wellness, Lifestyle | |
|
Hajime Kurosaka
Angel
|
1 | Japan | Pre-Seed | Blockchain, Open Source, Social Impact | |
|
Kazuya Kawaguchi
Angel
|
1 | Japan | Pre-Seed | Blockchain, Open Source, Social Impact | |
|
Toru Ei
Angel
|
1 | Japan | Seed | Wellness, Lifestyle, Elder Care | |
|
Takuma Iwai
Angel
|
1 | Japan | Seed | Wellness, Lifestyle, Elder Care | |
|
Kimikazu Kato
Angel
|
1 | Japan | Pre-Seed | Blockchain, Open Source, Social Impact | |
|
Tatsuo Sakamoto
Angel
|
1 | Japan | Seed, Angel, Pre-Seed | Information Technology, Content, Education | $90k–$14M |
|
Kenji Kasahara
Angel
|
1 | Japan, United States | Seed, Pre-Seed, Series A | Information Technology, Aerospace, Education | $329k–$7.7M |
|
Koichi Noda
Angel
|
1 | Japan | Seed | Consulting, Information Technology, Social Entrepreneurship | |
| Access all 8 angel investors in Japan Social Impact startups. | |||||
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Investor list
Aya Tokura
Show more...Investment focus
- Industry: Blockchain, Open Source, Social Impact
- Stage:Pre-Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- FRAME00 — FRAME00 is a blockchain technology startup developing a decentralized funding platform. Their product is an open-source middleware that fairly evaluates any activity and supports sustainability with staking.
Director & CTO @ Newspicks
Show more...Investment focus
- Industry: Blockchain, Open Source, Social Impact
- Stage:Pre-Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- FRAME00 — FRAME00 is a blockchain technology startup developing a decentralized funding platform. Their product is an open-source middleware that fairly evaluates any activity and supports sustainability with staking.
Sadaaki Hirai
Show more...Investment focus
- Industry: Blockchain, Open Source, Social Impact
- Stage:Pre-Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- FRAME00 — FRAME00 is a blockchain technology startup developing a decentralized funding platform. Their product is an open-source middleware that fairly evaluates any activity and supports sustainability with staking.
Kyung-wook Han is an Individual Investor.
Show more...Investment focus
- Industry: Freelance, Consulting, Business Development
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 2
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- bgrass — bgrass is a consultation support platform for women working in the IT industry.
- Tooon — Tooon Inc. is a technology company that deals with development and operations of business management tools .
Katsuhiro Tamukai is a COO of Cost Science.
Show more...Investment focus
- Industry: Wellness, Lifestyle, Elder Care
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
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.
Keito Noguchi is a Brave group Representative Director, and Angel Investor.
Show more...Investment focus
- Industry: Wellness, Lifestyle, Elder Care
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
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.
Co-Founder and Vice President CTO/CFO at Prime Again Inc.
Show more...Investment focus
- Industry: Consulting, Information Technology, Social Entrepreneurship
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- bgrass — bgrass is a consultation support platform for women working in the IT industry.
Takashi Okutani Graduated from University of Washington( Seattle WA) 1997 Enter Ryohin Keikaku Co., Ltd. 1997-2000 working at MUJI store in Tokyo Japan 2000-2002 be seconded to trading company called Sanyei Detschland GmbH(cooperated trading company) 2003-2007 working at household division & joined to establish MUJI in-house design office,mainly taking care of the project called World MUJI 2007-2010 working at Apparel Divison. Produced MUJI’s Iconic item called 90 Degree Sock. 2010-2015 General Manager of WEB Business Divison. Produce MUJI passport 2015-Join Oisix as Chief Omni-Channel officer.
Show more...Investment focus
- Industry: Wellness, Lifestyle, Elder Care
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
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.
Born in Tokyo in 1983. After graduating from Tokyo University of Science, Faculty of Engineering, worked at NTT DATA Corporation. He retired after a year and a half and started working as an engineer with almost no experience at Ururu Co., Ltd. After working for 4 years and 3 months, he founded Peraichi Co., Ltd.
Show more...Investment focus
- Industry: Retail, Consulting, Manufacturing
- Stage:Seed, Venture - Series Unknown
- Geography: Japan
Investor stats
- Total investments: 2
- Lead/follow: 50% lead, 50% follow
Portfolio highlights
- bgrass — bgrass is a consultation support platform for women working in the IT industry.
- Treasure in Stomach — Treasure in Stomach is a food manufacturing company that develops vegan, gluten-free, and Muslim-friendly products and content.
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Daishi Fukudome is the President & CEO of Change Japan.
Show more...Investment focus
- Industry: Medical, Software, Wellness
- Stage:Venture - Series Unknown, Series A, Series B
- Geography: Japan
Investor stats
- Total investments: 4
- Round size: Venture - Series Unknown $461k–$651k
- Lead/follow: 0% lead, 100% follow
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.
- Medteria — Medteria is a medtech startup developing pathology AI. It is the provider of the “Medteria” communication cloud platform for healthcare professionals and medical students.
- Compass — Compass is a Solve problems in the local labor market with Consultation x Technology
Mitsunobu Okada is the founder and CEO of Astroscale.
Show more...Investment focus
- Industry: Farming, Wellness, Lifestyle
- Stage:Series A, Series B
- Geography: Japan
Investor stats
- Total investments: 2
- Lead/follow: 0% lead, 100% follow
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.
- Towing — Towing is an agricultural company that provides farming, manufacturing, and recycling services.
Hajime Kurosaka
Show more...Investment focus
- Industry: Blockchain, Open Source, Social Impact
- Stage:Pre-Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- FRAME00 — FRAME00 is a blockchain technology startup developing a decentralized funding platform. Their product is an open-source middleware that fairly evaluates any activity and supports sustainability with staking.
Team Member @ Vue.js
Show more...Investment focus
- Industry: Blockchain, Open Source, Social Impact
- Stage:Pre-Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- FRAME00 — FRAME00 is a blockchain technology startup developing a decentralized funding platform. Their product is an open-source middleware that fairly evaluates any activity and supports sustainability with staking.
Toru Ei is a Kaizen Platform CGO, and Beautydoors CEO.
Show more...Investment focus
- Industry: Wellness, Lifestyle, Elder Care
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
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.
Takuma Iwai Co-CEO of Advisor Time.
Show more...Investment focus
- Industry: Wellness, Lifestyle, Elder Care
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
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.
Kimikazu Kato - Data Scientist @ SoftBank
Show more...Investment focus
- Industry: Blockchain, Open Source, Social Impact
- Stage:Pre-Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- FRAME00 — FRAME00 is a blockchain technology startup developing a decentralized funding platform. Their product is an open-source middleware that fairly evaluates any activity and supports sustainability with staking.
Tatsuo Sakamoto is a Head of Sales, Japan at MOLOCO. He Attended The University of Tokyo.
Show more...Investment focus
- Industry: Information Technology, Content, Education
- Stage:Seed, Angel, Pre-Seed
- Geography: Japan
Investor stats
- Total investments: 20
- Round size: Seed $90k–$14M; Pre-Seed $272k–$622k
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- bgrass — bgrass is a consultation support platform for women working in the IT industry.
- Kids Snack Lab — Kids Snack Lab is a food manufacturing firm that produces and sells nutritional sweets for children.
- Metaverse Creators — Metaverse Creators is a feature-rich virtual platform providing gamers with a wide range of games, creation tools, and avatar editing tools.
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.
Show more...Investment focus
- Industry: Information Technology, Aerospace, Education
- Stage:Seed, Pre-Seed, Series A
- Geography: Japan, United States
Investor stats
- Total investments: 15
- Round size: Seed $329k–$2.5M; Pre-Seed $3M–$3.4M; Series A $3.1M–$7.7M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Voicetep — Voicetep is a unique dating app that enables users to begin meaningful connections without needing to share photos or exchange messages, instead fostering relationships through voice-based interactions that emphasize personality, authenticity, and genuine communication from the very first encounter.
- AVIATE — AVIATE Inc. is a Tokyo-based technology startup that designs and builds AI-driven business automation systems. The company develops TASKBASE, an operational workflow layer that allows enterprise teams to run backend business operations entirely from natural language prompts.
- Nicoli — Nicoli is a company that creates content and advertisements that increase happy time for parents and children .
Koichi Noda - Chief Human Resources Officer @ Works Human Intelligence
Show more...Investment focus
- Industry: Consulting, Information Technology, Social Entrepreneurship
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- bgrass — bgrass is a consultation support platform for women working in the IT industry.
Social Impact Angel investor funding in Japan at a glance
Stats across 1 deals from 8 investors.
Access all 8 angel investors in Japan Social Impact startups.
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Sotaro Karasawa - Chief Technology Officer @ STAR FESTIVAL
Show more...Investment focus
Investor stats
Portfolio highlights
-
Cloudbase
— Cloudbase is an information technology company that specializes in the fields of cloud services and management.
-
Josan-shes
— Josan shes is web start up that offers nursing service to women and babies.
-
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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