Open Network Lab
Open Network Lab is an accelerator based in Tokyo, Japan, focused on Pre-Seed to Series B startups across sectors. This profile covers its focus and how founders can get in front of it in 2026.
Open Network Lab is a seed accelerator providing startups with mentorship and funding from overseas.
- Investment focus
- Generalist
- Investment stages
- Pre-SeedSeedSeries ASeries B
- Location
- Tokyo, Japan
- Team size
- 1-10
- Portfolio companies
- 164+
About Open Network Lab
Open Network Lab is a seed accelerator program launched in 2010 with the purpose of "developing world-class entrepreneurs." During its 3 month program, startup teams are given funding, facility access, mentoring, and access to leading international and domestic entrepreneurs and developers. Onlab has received applications from entrepreneurs worldwide, and graduates of the program include AnyPerk, WHILL, Qiita and Fablic.
Source: the organization's public company profile.
How to pitch Open Network Lab
The founders who hear back from Open Network Lab lead with traction and a clear ask that matches its stage, not a generic mass email. Build a targeted, verified list, write a personalized note, and track who opens it, all in one place.
Connect with Open Network Lab
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Open Network Lab." Round Funded investor database, updated October 19, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/vc/open-network-lab
Frequently Asked Questions
What does Open Network Lab invest in?
Open Network Lab is a generalist with no fixed sector focus. Match your stage before reaching out, then find similar active investors on Round Funded.
What stage does Open Network Lab invest at?
Open Network Lab focuses on Pre-Seed to Series B rounds. Lead with traction that fits the stage when you reach out.
Is Open Network Lab still active?
Yes. Round Funded's research found that Open Network Lab has made a new investment or run a new cohort since 2024. Reach out with a personalized pitch that fits its stage and focus, then track who opens it.
Where is Open Network Lab based?
Open Network Lab is based in Tokyo, Japan. You can reach out from anywhere with a pitch that matches its focus.
How do I contact Open Network Lab?
Unlock a verified email for Open Network Lab and reach out with a personalized pitch on Round Funded. We show only deliverable contacts, so your outreach does not bounce.
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.