# Top 15 Big Data Angel Investors in Japan in June 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| Kotaro Chiba | 2 | Japan, United States | Seed, Series A | Content, Information Technology, Travel |
| Takaya Shinozuka | 2 | Japan | Seed, Angel, Series A | Internet, Local, Sports |
| Kensuke Furukawa | 1 | Japan | Seed, Angel | Content, SNS, Software |
| Kento Hayashi | 1 | Japan | Series A | Social, Big Data, Analytics |
| Kiyoshi Nishikawa | 1 | Japan, United States | Seed, Pre-Seed | News, Social Media, Big Data |
| Nobuhiro Ariyasu | 1 | Japan, Singapore | Seed, Angel, Series A | Finance, Content, Internet |
| Yusaku Maezawa | 1 | Japan, United States | Seed, Series C | Gaming, Social, Big Data |
| Keisuke Tomimatsu | 1 | Japan | Angel | CRM, Big Data, Analytics |
| Hiroshi Sawa | 1 | Japan |  | Social, Big Data, Analytics |
| Yasumasa Manabe | 1 | Japan | Seed, Series A | Information Technology, Drones, EdTech |
| Shuichi Takenaga | 1 | Japan | Seed, Angel | Marketing, Financial Services, Management Consulting |
| Takeshi Hirano | 1 | Japan | Seed | Big Data, Aerospace, Machine Learning |
| Uenoyama Katsuya | 1 | Japan | Seed, Angel, Corporate Round | Fashion, Software, Advertising |
| Jo Hirao | 1 | Japan, Indonesia, Singapore | Series B, Seed, Series C | Retail, Medical, Big Data |
| Hiroshi Tomishima | 1 | Japan, United States | Seed, Series A | Big Data, Internet, E-Commerce |