JR East
Portfolio in Japan: 2 funded startups tracked by Uback, 2 of them in a ranking.
Portfolio on Uback2startups, 1 country
In a ranking2ranked by AI-estimated valuation
On the Radar0eligible, not ranked
Latest deal trackedAug 2026Kyoto Fusioneering
Portfolio on Uback
Sorted by Uback rank, then Radar by last round| Company | Uback | Sector | Round backed | Valuation (AI) |
|---|---|---|---|---|
| Kyoto Fusioneering | #11 Japan | Energy › fusion engineering | Series D (first close) · USD 100M · Aug 2026 | Hundreds of M$ |
| SkyDrive | #21 Japan | Mobility › eVTOL air taxis | Pre-Series D · USD 57M · Jul 2025 | Hundreds of M$ |
Only startups that meet Uback’s eligibility rules are shown. Amounts are round sizes, not the fund’s share. Rounds as reported by public sources.
By sector
Deals tracked per year
12025
12026
Co-investors
IMM Japan Korea-Japan Fusion Fund · DBJ · MUFG Bank · Suzuki · JR Kyushu · ITOCHU Technology Ventures · Obayashi · Kansai Electric
Investors that joined the same rounds, as reported by public sources.
Last updated: Oct 2026Report a missing dealReport an error
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