Ken Niimura, Founder, CEO Partner at Topaz Capital, Inc. is an active investor based in Tokyo, Tokyo. This profile covers what Ken Niimura backs, at which stage, and how founders can reach out in 2026.
Founder and CEO Partner at Topaz Capital, Inc.
Ken Niimura typically invests at Seed and Series A.
- Investor type
- VC
- Stages
- SeedSeries A
- Location
- Tokyo, Tokyo
- Typical check
- $625K
How to reach Ken Niimura
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About this profile
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Round Funded. "Ken Niimura." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/ken-niimura
Frequently Asked Questions
Who is Ken Niimura?
Ken Niimura, Founder, CEO Partner at Topaz Capital, Inc. is an active investor based in Tokyo, Tokyo. Ken Niimura typically invests at Seed and Series A.
What stage does Ken Niimura invest at?
Ken Niimura typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Ken Niimura's typical check size?
Ken Niimura typically writes checks around $625K. 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.