# Top 15 Clean Energy Startup Investors in Japan in June 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| SBI Investment | 2 | Japan, United States, South Korea | Series B, Series A | Information Technology, Software, Financial Services |
| Global Brain Corporation | 1 | Japan, United States, United Kingdom | Series A, Series B | Software, Information Technology, Artificial Intelligence |
| Mizuho Capital | 1 | Japan, United States, China | Series A, Series B | Information Technology, Software, Internet |
| STATION AI | 1 | Japan | Seed, Pre-Seed, Series A | Software, Information Technology, Drones |
| X&KSK | 1 | Japan, United States | Series A, Seed, Series C | Artificial Intelligence, Sales, Energy |
| GLOBIS | 1 | Japan, United States | Seed, Series B | Manufacturing, Pet, Apps |
| Mitsubishi UFJ Capital | 1 | Japan, United States, Singapore | Series A, Series B | Information Technology, Software, Health Care |
| ANRI | 1 | Japan, United States, India | Seed, Series A | Software, Health Care, Information Technology |
| Energy & Environment Investment | 1 | Japan, United States, Sweden | Series A, Series B | Energy, Internet of Things, Software |
| ReGACY Innovation Group | 1 | Japan | Seed, Corporate Round | Solar, Nuclear, CleanTech |
| Katsunori Sago | 1 | Japan, Hong Kong | Seed, Series C | Sustainability, Robotics, Aerospace |
| Incubate Fund | 1 | Japan, United States, India | Seed, Series A | Software, Information Technology, E-Commerce |
| Tsuneishi Partners | 1 | Japan | Seed, Series A | Apps, SNS, Beauty |
| Keio Innovation Initiative | 1 | Japan, United Kingdom | Series A, Seed | Health Care, Medical, Biotechnology |
| Animal Spirits Ltd. | 1 | Japan | Seed, Series A | Medical, Software, Health Care |