# Kazutaka Muraguchi

> Kazutaka Muraguchi is a seed investor at Nippon Technology Venture Partners backing Blockchain. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Nippon Technology Venture Partners](https://shizune.co/investors/profile/nippon-technology-venture-partners)
- Location: Tokyo, Japan
- Total investments: 4
- Last investment: Dec 2021
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/kazutaka-muraguchi-bab3a515/

Kazutaka Muraguchi is a VC at Nippon Technology Venture Partners. He Attended Keio University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Blockchain | 2 | 50% |
| Financial Services | 2 | 50% |
| Finance | 1 | 25% |
| Big Data | 1 | 25% |
| Database | 1 | 25% |

9 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 50% |
| Angel | 2 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| warashibe | warashibe engages in the development and operation of blockchain-related products. |  | Seed | Dec 09, 2021 |  |
| warashibe | warashibe engages in the development and operation of blockchain-related products. |  | Angel | Aug 17, 2020 |  |
| Crypto asset market | Crypto asset market engages in the development of a trading market for settlement of trading value with crypto assets. |  | Angel | Feb 13, 2020 |  |
| Gruff | Graph Co., Ltd. is a database renovation and AI algorithm development venture established by Harada Hiroe, a data scientist of the year award winner.Artificial intelligence-based business monetization support CRM support application development and operation Database commissioning development AI algorithm development. | $14.2M | Seed | Dec 28, 2016 |  |

4 of 4 investments shown.

## Co-investors
- [Mask Network](https://shizune.co/investors/profile/dimension-293e) — VC Fund, 1 deal together
- [Headline Asia (formerly Infinity Ventures)](https://shizune.co/investors/profile/infinity) — VC Fund, 1 deal together
- [KSK Angel Fund](https://shizune.co/investors/profile/ksk-angel-fund) — VC Fund, 1 deal together

## About Nippon Technology Venture Partners

VC Fund · Setagaya, Japan

Nippon Technology Venture Partners is a Japanese independent investment firm that invests in technology-driven companies.

1 contacts available at Nippon Technology Venture Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Kazutaka Muraguchi | General Partner | https://shizune.co/investors/profile/kazutaka-muraguchi |

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## FAQ

### What does Kazutaka Muraguchi invest in?

Kazutaka Muraguchi invests primarily in Blockchain, Financial Services and Finance startups, most often at Seed and Angel stage. Most of the 4 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Kazutaka Muraguchi last invest?

The most recent investment recorded for Kazutaka Muraguchi closed in Dec 2021. Shizune tracks 4 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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