# Nobuaki Chonan

> Nobuaki Chonan is a seed investor at Gumi (Tokyo) backing Apps, Social and E-Commerce. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Gumi](https://shizune.co/investors/profile/gumi)
- Location: Tokyo, Japan
- Total investments: 2
- Last investment: Apr 2025
- Lead investor: 0%
- Last updated: Aug 2026
- Facebook: https://www.facebook.com/nobuaki.chonan

Nobuaki Chonan is a seed investor at Gumi in Tokyo focused on Apps and Social. Nobuaki Chonan - Outside Director @ Gumi

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $645k–$1M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Apps | 1 | 50% |
| Social | 1 | 50% |
| E-Commerce | 1 | 50% |
| Geospatial | 1 | 50% |
| Sustainability | 1 | 50% |

6 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| iiba | Iiba is a geospatial platform that specializes in providing location information related to child-rearing. | $1M | Seed | Apr 03, 2025 |  |
| Gab | Gab is a company that works to solve social problems as well as develops and markets ethical products. | $645.5K | Seed | Jan 27, 2025 |  |

2 of 2 investments shown.

## Co-investors
- [ANRI](https://shizune.co/investors/profile/anri) — VC Fund, 2 deals together
- [Spurcle](https://shizune.co/investors/profile/sprucle) — VC Fund, 2 deals together
- [UNITED](https://shizune.co/investors/profile/united-inc) — VC Fund, 2 deals together
- [East Ventures](https://shizune.co/investors/profile/east-ventures) — VC Fund, 1 deal together
- [G-STARTUP](https://shizune.co/investors/profile/g-startup) — VC Fund, 1 deal together
- [Japanese venture capital](https://shizune.co/investors/profile/japanese-venture-capital) — VC Fund, 1 deal together

## About Gumi

VC Fund · Tokyo, Japan

Gumi is a game development company that features Gree, a mobile social network. Founded in 2007 by CEO Hironao Kunimitsu, gumi Inc. has expanded from one office in Tokyo to multiple subsidiaries across Asia, Europe and North America. Although we have had a lot of success in Japan with both feature phone and smartphone games.

5 contacts available at Gumi.

| Name | Title | Profile |
| --- | --- | --- |
| Ikagawa Joji | Auditor | https://shizune.co/investors/profile/ikagawa-joji |
| Masaru Ohnogi | Head of gumi America | https://shizune.co/investors/profile/masaru-nogi-ohnogi |
| Henry Yeh | Managing Director | https://shizune.co/investors/profile/henry-yeh |
| Hironao Kunimitsu | Founder & CEO | https://shizune.co/investors/profile/hironao-kunimitsu |
| Hiroyuki Kawamoto | Representative Director & President | https://shizune.co/investors/profile/hiroyuki-kawamoto |

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## FAQ

### What does Nobuaki Chonan invest in?

Nobuaki Chonan invests primarily in Apps, Social and E-Commerce startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Nobuaki Chonan's check size?

Nobuaki Chonan typically joins rounds of $645k–$1M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Nobuaki Chonan participates in.

### When did Nobuaki Chonan last invest?

The most recent investment recorded for Nobuaki Chonan closed in Apr 2025. Shizune tracks 2 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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