# Mizutani Koki

> Mizutani Koki is a seed investor at Genesia Ventures (Tokyo) backing Software and Apps. See 17 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Genesia Ventures](https://shizune.co/investors/profile/genesia-ventures)
- Location: Tokyo, Japan
- Total investments: 17
- Last investment: Jul 2026
- Lead investor: 41%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/koki-mizutani-ab69a542/
- X (Twitter): https://twitter.com/KokiMizutani
- Website: https://x.com/KokiMizutani
- Facebook: https://www.facebook.com/koki.mizutani1

Mizutani Koki is a seed investor at Genesia Ventures in Tokyo focused on Software and Apps. Mizutani Koki is the Investment Manager at Genesia Ventures. Mizutani Koki attended University of Tokyo.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 4 | 24% |
| Apps | 2 | 12% |
| Agriculture | 2 | 12% |
| Sales | 1 | 6% |
| Energy | 1 | 6% |

20 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 9 | 53% |
| Series A | 3 | 18% |
| Series B | 2 | 12% |
| Venture - Series Unknown | 1 | 6% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Taian | Taian, which specializes in bridal industry services and software. They also provide ''Concept Marry,'' which allows couples to design invites and seating charts that match their wedding theme, as well as display guest information on Oiwaii. | $4.4M | Series B | Jul 31, 2026 |  |
| Funfo | Funfo creates a better society through cloud technology, including smart restaurants to order through mobile application. |  | Series A | Jul 29, 2025 |  |
| PartnerProp | PartnerProp is a PRM tool with outstanding potential and a wide variety of capabilities that resolves all partner business difficulties. |  | Series A | Jan 29, 2025 |  |
| Taian | Taian, which specializes in bridal industry services and software. They also provide ''Concept Marry,'' which allows couples to design invites and seating charts that match their wedding theme, as well as display guest information on Oiwaii. | $3.9M | Series A | Nov 26, 2024 |  |
| YourTrade | YourTrade helps cross-border e-commerce companies to resale rejected goods and backlogged inventory from overseas sales through local sales channels.It also provides services such as collection and inspection of returned items, as well as resale through local sales channels. | $1.7M | Seed | Nov 14, 2024 |  |
| THE PHAGE | The phage is a medical device company that focuses on developing AI technology to predict postprandial blood glucose levels. |  | Seed | Sep 12, 2024 |  |
| PartnerProp | PartnerProp is a PRM tool with outstanding potential and a wide variety of capabilities that resolves all partner business difficulties. | $1.6M | Seed | Aug 21, 2024 |  |
| Rara | Rara offers carbon-free and organic mushroom culture production equipment. |  | Seed | Jun 27, 2024 |  |
| Payn | Payn is a digital billing tool that automates the cancellation fee billing process by automating message sending and billing reminders. | $922K | Seed | Apr 08, 2024 |  |
| Tensor Energy | Creating the operating system of our zero-carbon, distributed energy future | $3M | Seed | Mar 27, 2024 |  |

10 of 17 investments shown.

## Co-investors
- [ANRI](https://shizune.co/investors/profile/anri) — VC Fund, 5 deals together
- [Delight Ventures](https://shizune.co/investors/profile/delight-ventures) — VC Fund, 5 deals together
- [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund, 4 deals together
- [Canal Ventures](https://shizune.co/investors/profile/canal-ventures-6d88) — VC Fund, 3 deals together
- [Globis Capital Partners](https://shizune.co/investors/profile/globis-capital-partners) — VC Fund, 3 deals together
- [SMBC Venture Capital](https://shizune.co/investors/profile/smbc-venture-capital) — VC Fund, 3 deals together

## About Genesia Ventures

VC Fund · Tokyo, Japan

Genesia Ventures is a venture capital firm focused on seed/early stage startups in Japan and Southeast Asia. Since it's inception in Dec 2016, Genesia Ventures has invested in over 90 companies in Japan, Indonesia, Vietnam, Singapore and the US. Genesia Ventures invests in various sectors: SaaS, marketplace, Media, Finance, Insurance,RealEstate, Healthcare, Medical, Travel, Education, Manufacturing, Construction, HR, Agriculture, Sports, Retail, Entertainment, etc.

5 contacts available at Genesia Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Hunty Kim Dung | Associate | https://shizune.co/investors/profile/hunty-kim-dung |
| Masami Ichinohe | Associate | https://shizune.co/investors/profile/masami-ichinohe |
| Mizutani Koki | Investment Manager | https://shizune.co/investors/profile/mizutani-koki |
| Naoki Kurosaki | Investment Manager | https://shizune.co/investors/profile/naoki-kurosaki |
| Sagara Shunsuke | Investment Manager | https://shizune.co/investors/profile/sagara-shunsuke |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Mizutani Koki invest in?

Mizutani Koki invests primarily in Software, Apps and Agriculture startups, most often at Seed and Series A stage. Most of the 17 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Mizutani Koki last invest?

The most recent investment recorded for Mizutani Koki closed in Jul 2026. Shizune tracks 17 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co