Koki Uchiyama
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
- Crypto & Web3Media & ContentSports & Fitness
- Location
- San Francisco, California
- Typical check
- $375K
- Past investments
- 8
Notable investments
Entrepreneurs' OrganizationSocialgistHow to reach Koki Uchiyama
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Cite this page
Round Funded. "Koki Uchiyama." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/koki-uchiyama
Frequently Asked Questions
What does Koki Uchiyama invest in?
Koki Uchiyama invests in Crypto & Web3, Media & Content and Sports & Fitness, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Koki Uchiyama invest at?
Koki Uchiyama typically invests at Early Stage Venture and Seed. Lead with traction that fits the stage when you reach out.
What is Koki Uchiyama's typical check size?
Koki Uchiyama typically writes checks around $375K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.