Top 20 Social Angel Investors in Japan (September 2026)
For AI agents: Short investor table (Markdown), Detailed investor list (Markdown)
| Investor | Relevant Deals | Geography | Stage | Focus | Round Size |
|---|---|---|---|---|---|
|
Koike Masahide
Angel
|
1 | Japan | Seed | Social, E-Commerce, Mobile Apps | $645k–$3.4M |
|
Daigo Nishi
Angel
|
1 | Japan | Series A | Social, Sports, Recruiting | |
|
Daisuke Ohata
Angel
|
1 | Japan | Series A | Social, Sports, Recruiting | |
|
Keita Suzuki
Angel
|
1 | Japan | Series A | Social, Sports, Recruiting | |
|
Kōsei Inoue
Angel
|
1 | Japan | Series A | Social, Sports, Recruiting | |
|
Kosuke Kitajima
Angel
|
1 | Japan | Series A | Social, Sports, Recruiting | |
|
Nomura Tadahiro
Angel
|
1 | Japan | Series A | Social, Sports, Recruiting | |
|
Takehiko Nakamura
Angel
|
1 | Japan | Series A | Social, Sports, Recruiting | |
|
Yutaka Akita
Angel
|
1 | Japan | Series A | Social, Sports, Recruiting | |
|
Mitsushige Ito
Angel
|
1 | Japan | Seed, Venture - Series Unknown | Content, Media and Entertainment, B2C | $645k–$751k |
|
Yuki Ota
Angel
|
1 | Japan, United States | Seed, Series A, Venture - Series Unknown | SaaS, Sales, Events | $940k–$1.6M |
|
Shunsuke Masaki
Angel
|
1 | Japan | Seed | Social, E-Commerce, Sustainability | |
|
Shinsuke Sakimoto
Angel
|
1 | Japan | Series A, Venture - Series Unknown | Sales, Social, Sports | |
|
Toyokazu Ichise
Angel
|
1 | Japan | Seed | Social, E-Commerce, Sustainability | |
|
Ogawa Ryo
Angel
|
1 | Japan | Seed | Apps, Social, Finance | $420k–$6.8M |
|
Nobuaki Chonan
Angel
|
1 | Japan | Seed | Apps, Social, E-Commerce | $645k–$1M |
|
Suzuki Yuto
Angel
|
1 | Japan | Seed, Series A, Venture - Series Unknown | SaaS, Social, Content | |
|
Tetsuya Nagashima
Angel
|
1 | Japan | Seed | Social, E-Commerce, Sustainability | |
|
Shinji Senba
Angel
|
1 | Japan | Seed | Social, E-Commerce, Sustainability | |
|
Hirofumi Miki
Angel
|
1 | Japan | Seed, Angel, Pre-Seed | Content, Internet, Software | $2.8M–$16M |
| Access all 23 angel investors in Japan Social startups. | |||||
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Investor list
Daigo Nishi is a Japanese footballer.
Show more...Investment focus
- Industry: Social, Sports, Recruiting
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- HALF TIME — HALF TIME provides branding and marketing as well as recruitment services to corporate clients. They provide valuable services with new ideas for such industries and social issues.
Daisuke Ohata is a former Japanese rugby union player.
Show more...Investment focus
- Industry: Social, Sports, Recruiting
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- HALF TIME — HALF TIME provides branding and marketing as well as recruitment services to corporate clients. They provide valuable services with new ideas for such industries and social issues.
CEO and Founder @ AuB CEO @ beepnow Systems
Show more...Investment focus
- Industry: Social, Sports, Recruiting
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- HALF TIME — HALF TIME provides branding and marketing as well as recruitment services to corporate clients. They provide valuable services with new ideas for such industries and social issues.
Kōsei Inoue is a Judo practitioner from Japan.
Show more...Investment focus
- Industry: Social, Sports, Recruiting
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- HALF TIME — HALF TIME provides branding and marketing as well as recruitment services to corporate clients. They provide valuable services with new ideas for such industries and social issues.
Kosuke Kitajima is a Japanese retired breaststroke swimmer.
Show more...Investment focus
- Industry: Social, Sports, Recruiting
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- HALF TIME — HALF TIME provides branding and marketing as well as recruitment services to corporate clients. They provide valuable services with new ideas for such industries and social issues.
Tadahiro Nomura won the 1996 Atlanta Olympics, 2000 Sydney, and 2004 Athens Olympics for the third time in a row. After retiring from active duty, he has been promoting judo in Japan and overseas, and has also been active as a sports caster and commentator. Currently, he is also the official ambassador for the Tokyo 2020 Holy Fire Relay. "Ibelieve that sports have infinite possibilities, and I look forward to HALF TIME as an entity that will further revitalize the sports world, including the judo world."
Show more...Investment focus
- Industry: Social, Sports, Recruiting
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- HALF TIME — HALF TIME provides branding and marketing as well as recruitment services to corporate clients. They provide valuable services with new ideas for such industries and social issues.
Principle @ HALF TIME
Show more...Investment focus
- Industry: Social, Sports, Recruiting
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- HALF TIME — HALF TIME provides branding and marketing as well as recruitment services to corporate clients. They provide valuable services with new ideas for such industries and social issues.
Yutaka Akita is a former Japanese football player and manager.
Show more...Investment focus
- Industry: Social, Sports, Recruiting
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- HALF TIME — HALF TIME provides branding and marketing as well as recruitment services to corporate clients. They provide valuable services with new ideas for such industries and social issues.
Mitsushige Ito is based out of Tokyo, Tokyo and is the Director of Compliance Data Lab. Mitsushige previously worked at Mirrativ as a Chief Financial Officer and Executive Vice President. Mitsushige Ito attended Waseda University's Graduate School of Economics.
Show more...Investment focus
- Industry: Content, Media and Entertainment, B2C
- Stage:Seed, Venture - Series Unknown
- Geography: Japan
Investor stats
- Total investments: 4
- Round size: Seed $645k–$743k; Venture - Series Unknown $715k–$751k
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
- Petokoto — Petokoto is a pet wellness company that creates and sells fresh food, runs pet media, and keeps pets happy. It is suitable to become an information source that combines accuracy, completeness, and updateability by utilizing the collective knowledge of experts both inside and outside the company and demonstrating their respective expertise. Thecompany aims to develop a world where pets can be loved as family members.
- SYRUP Japan — Syrup develops Pet Tech platforms. The company's services include OMUSUBI, an adoption service that matches dogs and cats with pet owners, and Petokoto, a media platform that provides reliable information from veterinarians
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822 industries, 177 countries. Updated daily. Emails and phones included.
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Yuki Ota
Show more...Investment focus
- Industry: SaaS, Sales, Events
- Stage:Seed, Series A, Venture - Series Unknown
- Geography: Japan, United States
Investor stats
- Total investments: 4
- Round size: Seed $940k–$1.6M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Retreat — Corporate Retreat Planning | Retreat helps to plan execute custom Corporate Retreats that inspire employees, in unique locations around the globe.
- Pictoria — Pictoria produce total events for entertainment.They handle a wide range of events, from talk events to events using advanced technologies such as 3D motion capture.
- Saurus Japan — SAURUS JAPAN is an online store that sells sports supplements. They provide athletes with protein and amino acids. They provide quality raw materials and formulations with a focus on safety and security. Their nutrients serve the purpose that professionals need.
Mr. Masaki joined Mitsui Ventures in May 2008 as Venture Partner, and since has been focused on investments in retail and service sector. Previously, he worked at Fujita Corporation, a large operator of restaurants and retail chain, where he was responsible for store development and merchandising in Tokyo area. After several successfulyears at Fujita, he took a position with Service Business Division of Mitsui & Co., Ltd., in charge of developing new business utilizing the franchise method.
Show more...Investment focus
- Industry: Social, E-Commerce, Sustainability
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
Born in Osaka in 1982. After graduating from Dai-ichi Senior High School, Shinsuke Sakimoto matriculated to Kansai University while also joining the Gamba Osaka J-League professional soccer team. Upon retiring from soccer, Sakimoto worked and learned at his father’s recycling shop. In 2007, Sakimoto opened Nanboya , a luxury brand item buyingoffice in the Kansai region of Japan. In 2011, he established SOU Inc. (now Valuence Holdings Inc.), serving as representative director and president. From buying offices located throughout Japan to auctions, antiques and art objects, and even a personal asset management app, Sakimoto has led the way in building businesses that bring visibility to the value of personal goods. In March 2018, he led the company through a successful IPO on the Mothers section of the Tokyo Stock Exchange. Today, Shinsuke Sakimoto continues working to expand the Valuence business throughout the world and generate ever-increasing levels of customer lifetime value.
Show more...Investment focus
- Industry: Sales, Social, Sports
- Stage:Series A, Venture - Series Unknown
- Geography: Japan
Investor stats
- Total investments: 2
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- HALF TIME — HALF TIME provides branding and marketing as well as recruitment services to corporate clients. They provide valuable services with new ideas for such industries and social issues.
- Saurus Japan — SAURUS JAPAN is an online store that sells sports supplements. They provide athletes with protein and amino acids. They provide quality raw materials and formulations with a focus on safety and security. Their nutrients serve the purpose that professionals need.
Toyokazu Ichise is a Director of Peace Communication Foundation.
Show more...Investment focus
- Industry: Social, E-Commerce, Sustainability
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
Ogawa Ryo - CEO @ Timee
Show more...Investment focus
- Industry: Apps, Social, Finance
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 4
- Round size: Seed $420k–$6.8M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- LivCo — LivCo is a support service company that offers HR, life support, real estate rental brokerage, and media platform solutions for foreigners.
- Givearth — Givearth app enable users to make donations just by carrying out their daily shopping and consumption activities.
- Media Aid — Media Aid is an advertising agency that provides recruitment, marketing, web creation, and SNS management services
Nobuaki Chonan - Outside Director @ Gumi
Show more...Investment focus
- Industry: Apps, Social, E-Commerce
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 2
- Round size: Seed $645k–$1M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- iiba — Iiba is a geospatial platform that specializes in providing location information related to child-rearing.
- Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
Suzuki Yuto
Show more...Investment focus
- Industry: SaaS, Social, Content
- Stage:Seed, Series A, Venture - Series Unknown
- Geography: Japan
Investor stats
- Total investments: 3
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
- Aidemy — Aidemy is a web service where you can learn AI programming online.
- Bizibl Technologies — Bizibl Technologies provides SaaS services for recruitment events.
Tetsuya Nagashima - Director COO @ Gunosy
Show more...Investment focus
- Industry: Social, E-Commerce, Sustainability
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
Shinji Senba is a Director of Green Innovations Holdings.
Show more...Investment focus
- Industry: Social, E-Commerce, Sustainability
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
After JTB Co., Ltd. and CYBIRD Co., Ltd. as an initial member of Glee Co., Ltd. is responsible for business development. Currently, he is mainly engaged in venture support in the Internet area, investing in venture and venture capital, and served as management advisor for dozens of companies. Hands-on business development, growth strategydevelopment, financing advice, HR organization design support, partner referral and Recruit Support. He is also engaged in business support for ventures in the healthcare and university venture fields. He served as Digital Health Meetup Advisor, NEDOTCP Mentor and Future 2016 Mentor.
Show more...Investment focus
- Industry: Content, Internet, Software
- Stage:Seed, Angel, Pre-Seed
- Geography: Japan
Investor stats
- Total investments: 27
- Round size: Seed $2.8M–$16M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- AceRNA Technologies — AceRNA contributes to regenerative medicine and drug discovery through the discovery of novel miRNA functions. It began operation in April 2018, with its headquarters in Kyoto in Japan.
- Epicbase — Epicbase is an AI-based automatic voice transcription service based on voice recognition technology.
- Flagellin — Flagellin is a pharmaceutical and medical industry.Development and sales of SaaS that supports sales and marketing of database and analysis services in the pharmaceutical and medical industries
Social Angel investor funding in Japan at a glance
Stats across 3 deals from 23 investors.
Access all 23 angel investors in Japan Social startups.
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Graduated from Hosei University Department of Business Administration. In 1998, he joined Ogishima Shoji (currently Aia). Joined CyberAgent in 2001. 2011 Appointed President of AMoAd. In 2012, he became a director. Appointed as Managing Director in 2014. Appointed Director of AbemaTV in 2016.
Show more...Investment focus
Investor stats
Portfolio highlights
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Sinumy
— Sinumy develops touchless identity authentication technology and high-speed, high-precision position measurement technology.
-
Gab
— Gab is a company that works to solve social problems as well as develops and markets ethical products.
Show all investments...