# Hiroki Kamatsu

> Hiroki Kamatsu is a seed investor in Tokyo backing Sales, Analytics and Data Management. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Tokyo, Japan
- Total investments: 2
- Last investment: Feb 2024
- Lead investor: 0%
- Last updated: Aug 2026

Hiroki Kamatsu is a seed investor in Tokyo focused on Sales and Analytics. Hiroki Kamatsu

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Sales | 1 | 50% |
| Analytics | 1 | 50% |
| Data Management | 1 | 50% |
| Data Visualization | 1 | 50% |
| Information Services | 1 | 50% |

6 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Infobox | Infobox is a sales data platform that includes every detail from market research to creating a list of companies and contacting decision-makers. | $4.4M | Seed | Feb 14, 2024 |  |
| Data Viz Lab | Data Viz Lab is a platform that offers data analysis, visualization consulting, and data human resource development support. | $1.4M | Seed | Jun 01, 2021 |  |

2 of 2 investments shown.

## Co-investors
- [Headline Asia (formerly Infinity Ventures)](https://shizune.co/investors/profile/infinity) — VC Fund, 2 deals together
- [ANRI](https://shizune.co/investors/profile/anri) — VC Fund, 1 deal together
- [East Ventures](https://shizune.co/investors/profile/east-ventures) — VC Fund, 1 deal together
- [GREE Ventures](https://shizune.co/investors/profile/gree-ventures-e73a) — VC Fund, 1 deal together
- [KSK Angel Fund](https://shizune.co/investors/profile/ksk-angel-fund) — VC Fund, 1 deal together
- [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund, 1 deal together

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

### Similar country
- [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund
- [SMBC Venture Capital](https://shizune.co/investors/profile/smbc-venture-capital) — VC Fund
- [Mizuho Capital](https://shizune.co/investors/profile/mizuho-capital) — VC Fund

## Featured in investor lists
- [Artificial intelligence Angel Investors in Japan](https://shizune.co/investors/artificial-intelligence-angel-investors-japan)

## FAQ

### What does Hiroki Kamatsu invest in?

Hiroki Kamatsu invests primarily in Sales, Analytics and Data Management 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.

### When did Hiroki Kamatsu last invest?

The most recent investment recorded for Hiroki Kamatsu closed in Feb 2024. 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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