# Top 15 Social Network Angel Investors in Japan in May 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| Kensuke Furukawa | 3 | Japan | Seed, Angel | Content, Media and Entertainment, Software |
| Hironao Kunimitsu | 2 | Japan, United States | Seed, Angel | Content, Media and Entertainment, Virtual Reality |
| Otomi Tomohiro | 1 | Japan | Seed, Angel | Health Care, Travel, Content |
| Kazuhiro Ishikura | 1 | Japan | Seed, Angel | Beauty, Content, Fashion |
| Yuma Umeda | 1 | Japan | Seed, Angel, Series A | Gift, Internet, Software |
| Ayataro Nakagawa | 1 | Japan, Hong Kong, United States | Seed, Angel | Internet, Software, Information Technology |
| Hiroaki Kitano | 1 | Japan, United States | Seed, Angel, Debt Financing | Health Care, Information Technology, Fitness |
| Kazuma Ieiri | 1 | Japan | Seed, Angel | Content, Fashion, Recruiting |
| Ryo Ishizuka | 1 | United States, Japan | Seed, Series A | SNS, Beauty, Content |
| Yuto Nagatomo | 1 | Japan | Seed, Angel | SNS, Sports, Content |
| Kamata Tomihisa | 1 | Japan, United States | Seed, Angel | Fitness, Medical, Genetics |
| Kentaro Ruichi | 1 |  |  |  |
| Yusuke Sato | 1 | Japan, Indonesia, United States | Seed, Angel | Internet, Content, Food and Beverage |
| Yasuyuki Kin | 1 | Japan | Seed, Angel, Pre-Seed | Media and Entertainment, Information Technology, Career Planning |
| Masao Ito | 1 | Japan | Seed, Series A, Angel | Content, Social Media, Information Technology |

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