# Nagatsuka Masayoshi

> Nagatsuka Masayoshi is a angel investor backing Internet and Software. See 1 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 1
- Last investment: Jun 2019
- Lead investor: 0%
- Last updated: Aug 2026

Nagatsuka Masayoshi is a angel investor focused on Internet and Software. Nagatsuka Masayoshi

## Contacts

5 contacts available for Nagatsuka Masayoshi: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/nagatsuka-masayoshi?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Internet | 1 | 100% |
| Software | 1 | 100% |
| Automotive | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Seibii | Transforming traditional car maintenance, repair, after-parts installation, road service industry of Japan by leveraging Technology. | $29.5M | Angel | Jun 01, 2019 | https://seibii.co.jp/corporate |

1 of 1 investments shown.

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## FAQ

### What does Nagatsuka Masayoshi invest in?

Nagatsuka Masayoshi invests primarily in Internet, Software and Automotive startups, most often at Angel 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.

### How do I contact Nagatsuka Masayoshi?

For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did Nagatsuka Masayoshi last invest?

The most recent investment recorded for Nagatsuka Masayoshi closed in Jun 2019. 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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