# Matsuoka Tsuyoshi

> Matsuoka Tsuyoshi is a seed investor at Goodpatch (Tokyo) backing Water and Sensor. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Goodpatch](https://shizune.co/investors/profile/goodpatch)
- Location: Tokyo, Japan
- Total investments: 3
- Last investment: Apr 2021
- Lead investor: 0%
- Last updated: Aug 2026
- X (Twitter): https://twitter.com/matsutakegohan1
- Facebook: https://www.facebook.com/matsutakegohan1

Matsuoka Tsuyoshi is a seed investor at Goodpatch in Tokyo focused on Water and Sensor. Matsuoka Tsuyoshi - Executive Officer @ Goodpatch

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Water | 1 | 33% |
| Sensor | 1 | 33% |
| Banking | 1 | 33% |
| Analytics | 1 | 33% |
| Aquaculture | 1 | 33% |

9 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 67% |
| Venture - Series Unknown | 1 | 33% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 2 | 67% |
| Singapore | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Bankers Holding | Bankers Holding controls the bankers group companies that provide financial services via internet. | $7.4M | Venture - Series Unknown | Apr 16, 2021 |  |
| nanoFreaks | nanoFreaks builds a rescue system on the sea, creating an environment where everyone can live with peace of mind. |  | Seed | Dec 10, 2019 |  |
| Umitron | Umitron is a data company for aquaculture. We support fish farmers to increase productivity through data analytics. One of the biggest challenges in aquaculture is increasing feeding costs. We optimize feed amount and timing by using fish behavior analytics and water quality data. Our goal is to install Sustainable Aquaculture on Earth. | $8.6M | Seed | Jun 21, 2018 |  |

3 of 3 investments shown.

## Co-investors
- [CyberAgent Capital](https://shizune.co/investors/profile/cyberagent) — VC Fund, 1 deal together
- [D2 Garage Japan](https://shizune.co/investors/profile/d2-garage-japan) — VC Fund, 1 deal together
- [D4V](https://shizune.co/investors/profile/d4v) — VC Fund, 1 deal together
- [Estore](https://shizune.co/investors/profile/estore) — VC Fund, 1 deal together
- [Gree](https://shizune.co/investors/profile/gree) — VC Fund, 1 deal together
- [Hack Ventures](https://shizune.co/investors/profile/hack-ventures) — VC Fund, 1 deal together

## About Goodpatch

VC Fund · Tokyo, Japan

Goodpatch is a Tokyo-based company developing and designing user interfaces for web companies.

5 contacts available at Goodpatch.

| Name | Title | Profile |
| --- | --- | --- |
| Kazunori Yanagisawa | Executive Officer | https://shizune.co/investors/profile/kazunori-yanagisawa |
| Matsuoka Tsuyoshi | Executive Officer | https://shizune.co/investors/profile/matsuoka-tsuyoshi |
| Naofumi Tsuchiya | Founder & CEO | https://shizune.co/investors/profile/naofumi-tsuchiya |
| Osamu Satake | Auditor | https://shizune.co/investors/profile/osamu-satake |
| Sada Toshiki | Auditor | https://shizune.co/investors/profile/sada-toshiki |

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## FAQ

### What does Matsuoka Tsuyoshi invest in?

Matsuoka Tsuyoshi invests primarily in Water, Sensor and Banking startups, most often at Seed and Venture - Series Unknown stage. Most of the 3 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Matsuoka Tsuyoshi last invest?

The most recent investment recorded for Matsuoka Tsuyoshi closed in Apr 2021. Shizune tracks 3 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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