Koki Uchiyama

Active Investor

Founding Partner at Nonagon Capital

San Francisco, California

Koki Uchiyama, Founding Partner at Nonagon Capital is an active investor based in San Francisco, California. This profile covers what Koki Uchiyama backs, at which stage, and how founders can reach out in 2026.

Mr. Koki Uchiyama is the Founder & serves as Chief Executive Officer at Hottolink. He is also the Founder and serves as Partner at Nonagon Capital.

Investor type: AngelVCPEFund Of Funds
Stages: Early Stage VentureSeed
Invests in: FintechSaaS & EnterpriseCrypto & Web3Gaming & EntertainmentMedia & ContentLegalTech
Location: San Francisco, California
Typical check: $375K
Past investments: 8

Notable investments

Pro Basketball Team, Toyama GrousesLaunchableTOYAMA GrousesSamurai Security Inc.Secured FinanceHottoLink Inc.Entrepreneurs' OrganizationSocialgist

How to reach Koki Uchiyama

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Frequently Asked Questions

What does Koki Uchiyama invest in?

Koki Uchiyama invests in Fintech, SaaS & Enterprise, Crypto & Web3 and Gaming & Entertainment, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.