# Naofumi Tsuchiya

> Naofumi Tsuchiya is a Series A investor at Goodpatch (Tokyo) backing CMS and Security. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Goodpatch](https://shizune.co/investors/profile/goodpatch)
- Location: Tokyo, Japan
- Total investments: 1
- Last investment: Jan 2020
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/naofumit

Naofumi Tsuchiya is a Founder and CEO at Goodpatch.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| CMS | 1 | 100% |
| Security | 1 | 100% |
| Information Technology | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| bitkey | Bitkey is a company provides its own key technology. | $170.1M | Series A | Jan 23, 2020 |  |

1 of 1 investments shown.

## Co-investors
- [CEJ Capital](https://shizune.co/investors/profile/cej-capital) — VC Fund, 1 deal together
- [Fulltime System](https://shizune.co/investors/profile/fulltime-system) — VC Fund, 1 deal together
- [Global Brain Corporation](https://shizune.co/investors/profile/global-brain-corporation) — VC Fund, 1 deal together
- [Goldman Sachs](https://shizune.co/investors/profile/goldman-sachs) — VC Fund, 1 deal together
- [Hankyu Hanshin Properties](https://shizune.co/investors/profile/hankyu-hanshin-properties) — VC Fund, 1 deal together
- [Mercuria Investment](https://shizune.co/investors/profile/mercuria-investment) — 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 |

## 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
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Naofumi Tsuchiya invest in?

Naofumi Tsuchiya invests primarily in CMS, Security and Information Technology startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Naofumi Tsuchiya last invest?

The most recent investment recorded for Naofumi Tsuchiya closed in Jan 2020. Shizune tracks 1 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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