OKB Capital
VC Fund
Gifu, Japan
OKB Capital is a VC fund in Gifu focused on Software and Agriculture. OKB Capital seeks to invest in companies aiming to go public and gives advice on capital policy. OKB Capital supports the growth and development of small and medium-sized enterprises and venture companies.
- Total investments:
- 15
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries OKB Capital invests in
Stages OKB Capital invests in
Countries OKB Capital invests in
Round sizes
Round size
- Seed
- $1.1M–$2.2M
- Series A
- $1.3M–$85M
- Series B
- $1.5M–$84M
Investment Focus
Industry
- Software 2 (13%)
- Agriculture 2 (13%)
- Health Care 2 (13%)
- Manufacturing 2 (13%)
- Machine Learning 2 (13%)
Stage
- Series A 4 (27%)
- Seed 3 (20%)
- Series B 3 (20%)
- Funding Round 2 (13%)
- Venture - Series Unknown 2 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
REVORN
|
REVORN is a fragrance AI and DX research and development company. They develop products such as odor sensors that can respond to odor issues and needs. They provide consultation at a range of levels, from identifying issues to developing solutions. | $2.7M / Jan 06, 2026 | |
Illumi Medical
|
Illumi Medical is a manufacturing company that produces medical equipment and devices for the healthcare sector. | $2.3M / Series A / Oct 20, 2025 | |
Helical Fusion
|
Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas. It is a spin-off startup from the National Institute for Fusion Science (NIFS) in Japan that provides a fusion reactor based on the stellarator design, a magnetic confinement approach that enables inherently stable,continuous plasma operation. | $14.9M / Series A / Jul 11, 2025 | |
Brainbuddy
|
Brainbuddy specializes in sales support, business growth, recruiting, consulting, and training services. | $5.5M / Series B / Jun 09, 2025 | |
Argos
|
Argos provides the online insurance medical treatment service. | $1.4M / Seed / Dec 10, 2024 | |
Spacewasp
|
Spacewasp provides plant-derived interior spaces made from all kinds of plants. | $347.7K / Pre-Seed / Aug 09, 2024 | |
KAERU
|
KAERU offers financial and payment services to make shopping more convenient. | $880.2K / Venture - Series Unknown / Aug 08, 2024 | |
|
Illumi Medical
|
Illumi Medical is a manufacturing company that produces medical equipment and devices for the healthcare sector. | $1.1M / Seed / Apr 01, 2024 | |
Tokuiten
|
Tokuiten is a company that develops systems for the production of organic vegetables and automates their cultivation. | $2.2M / Seed / Oct 26, 2023 | |
Opt Fit
|
Opt Fit is a fitness industry that provides fitness, wellness and health-care services. | $1.3M / Series A / Oct 11, 2023 | |
| See all 15 investments → | |||
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FAQ
What does OKB Capital invest in?
OKB Capital invests primarily in Software, Agriculture and Health Care startups, most often at Series A and Seed stage. Most of the 15 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is OKB Capital's check size?
OKB Capital typically joins rounds of $1.1M–$2.2M at Seed, $1.3M–$85M at Series A and $1.5M–$84M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds OKB Capital participates in.
When did OKB Capital last invest?
The most recent investment recorded for OKB Capital closed in Jan 2026. Shizune tracks 15 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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