# Shinsuke Sakamoto

> Shinsuke Sakamoto is a angel investor at Mitsubishi UFJ Capital backing Computer. See 4 investments, check sizes, portfolio and contact details. Updated Aug…

- Type: Angel Investor
- Fund: [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital)
- Location: Tokyo, Japan
- Total investments: 4
- Last investment: Dec 2020
- Lead investor: 25%
- Last updated: Aug 2026
- Website: https://www.mucap.co.jp/english/team/Board%20of%20Director/

Shinsuke Sakamoto is a angel investor at Mitsubishi UFJ Capital in Tokyo focused on Computer and Internet. Shinsuke Sakamoto - Deputy President @ Mitsubishi UFJ Capital

## Contacts

5 contacts available for Shinsuke Sakamoto: 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/shinsuke-sakamoto-2?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Computer | 1 | 25% |
| Internet | 1 | 25% |
| Software | 1 | 25% |
| Collaboration | 1 | 25% |
| Cyber Security | 1 | 25% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Angel | 1 | 25% |
| Series A | 1 | 25% |
| Convertible Note | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Cocon | GMO Cyber Security is a software company that specializes in the field of vulnerability diagnosis for applications. It simulates web and cloud service attacks, visualizes attack risks such as personal information leaks and system hijacking, and assesses security resilience. Look into whether there are any security flaws in Android/iOS apps.There are two types of plans: a light plan for only dynamic analysis and a full plan for investigating down to the source code level. In cloud environments such as AWS, Azure, and GCP, a high-performance scanning tool detects issues such as malware, OS and software vulnerabilities, and misconfigurations. | $18.7M | Convertible Note | Dec 08, 2020 | https://cocon-corporation.com/ |
| A*QUANTUM | A*QUANTUM is an quantum computer software. | $2.9M | Series A | Nov 02, 2020 | https://a-star-quantum.jp/ |
| Valuence |  |  | Angel |  |  |

3 of 4 investments shown.

## Co-investors
- [Abies Ventures](https://shizune.co/investors/profile/abies-ventures) — VC Fund, 2 deals together
- [JS Capital](https://shizune.co/investors/profile/js-capital) — VC Fund, 2 deals together
- [NEC Capital Solutions](https://shizune.co/investors/profile/nec-capital-solution) — VC Fund, 2 deals together
- [Plug and Play Japan](https://shizune.co/investors/profile/plug-and-play-japan) — VC Fund, 2 deals together
- [Plug and Play](https://shizune.co/investors/profile/plug-and-play-ventures) — VC Fund, 2 deals together
- [Tokyo University of Science Investment Management](https://shizune.co/investors/profile/tokyo-university-of-science-investment-management) — VC Fund, 2 deals together

## About Mitsubishi UFJ Capital

VC Fund · Tokyo, Japan

Mitsubishi UFJ Capital is a venture capital firm focusing on life science, ICT, and high technology investments.

5 contacts available at Mitsubishi UFJ Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Junichi Masuda | Managing Director & Founder | https://shizune.co/investors/profile/junichi-masuda |
| Shinsuke Sakamoto | Deputy President | https://shizune.co/investors/profile/shinsuke-sakamoto-2 |
| Takayuki Shimizu | Executive Officer and General Manager | https://shizune.co/investors/profile/takayuki-shimizu |
| Tsuyoshi Noda | Deputy General Manager | https://shizune.co/investors/profile/tsuyoshi-noda |
| Haruhiko Mishima | Executive Officer, General Manager | https://shizune.co/investors/profile/haruhiko-mishima |

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## FAQ

### What does Shinsuke Sakamoto invest in?

Shinsuke Sakamoto invests primarily in Computer, Internet and Software startups, most often at Angel and Series A 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.

### How do I contact Shinsuke Sakamoto?

Public channels for Shinsuke Sakamoto include the website linked on this profile. 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 Shinsuke Sakamoto last invest?

The most recent investment recorded for Shinsuke Sakamoto closed in Dec 2020. 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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