# Hideya Tanaka

> Hideya Tanaka is a Series A investor at Dai-Ichi Hoki backing SaaS and Legal. See 1 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Fund: [Dai-Ichi Hoki](https://shizune.co/investors/profile/dai-ichi-hoki)
- Total investments: 1
- Last investment: Sep 2020
- Lead investor: 0%
- Last updated: Sep 2026

Hideya Tanaka is a Series A investor at Dai-Ichi Hoki focused on SaaS and Legal.

## Contacts

5 contacts available for Hideya Tanaka: 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/hideya-tanaka?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 1 | 100% |
| Legal | 1 | 100% |
| Mobile | 1 | 100% |
| Software | 1 | 100% |
| Consulting | 1 | 100% |

9 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Japan Legal System Institute | Japan Legal System Institute (JLSI), our primary value is to provide products that exceed user expectations. | $2.8M | Series A | Sep 14, 2020 | https://j-legal-system.com |

1 of 1 investments shown.

## Co-investors
- [AI inside](https://shizune.co/investors/profile/ai-inside) — VC Fund, 1 deal together
- [MUFG Bank](https://shizune.co/investors/profile/mufg-bank) — VC Fund, 1 deal together
- [Shinnippon-hoki Publishing](https://shizune.co/investors/profile/shinnippon-hoki-publishing) — VC Fund, 1 deal together
- [Suzuyo](https://shizune.co/investors/profile/suzuyo-co) — VC Fund, 1 deal together
- [First Light Capital](https://shizune.co/investors/profile/ub-ventures) — VC Fund, 1 deal together

## About Dai-Ichi Hoki

VC Fund · Tokyo, Japan

Dai-Ichi Hoki is the provider of publishing and sales of academic books and practical books.

1 contacts available at Dai-Ichi Hoki.

| Name | Title | Profile |
| --- | --- | --- |
| Hideya Tanaka | President and CEO | https://shizune.co/investors/profile/hideya-tanaka |

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## FAQ

### What does Hideya Tanaka invest in?

Hideya Tanaka invests primarily in SaaS, Legal and Mobile 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.

### How do I contact Hideya Tanaka?

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 Hideya Tanaka last invest?

The most recent investment recorded for Hideya Tanaka closed in Sep 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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