# Keisuke Miyoshi

> Keisuke Miyoshi is a Series B investor at JAFCO backing Information Technology and Messaging. See 14 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [JAFCO](https://shizune.co/investors/profile/jafco-co-ltd)
- Total investments: 14
- Last investment: Sep 2025
- Lead investor: 36%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/keisuke-miyoshi-9a2aa98

Keisuke Miyoshi is a Series B investor at JAFCO focused on Information Technology and Messaging. Keisuke Miyoshi - President and CEO @ JAFCO

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Information Technology | 3 | 21% |
| Messaging | 2 | 14% |
| Manufacturing | 2 | 14% |
| Apps | 1 | 7% |
| News | 1 | 7% |

34 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 3 | 21% |
| Funding Round | 3 | 21% |
| Series C | 2 | 14% |
| Seed | 1 | 7% |
| Series A | 1 | 7% |

9 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 8 | 57% |
| United States | 1 | 7% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| LayerX | LayerX which promotes the digitization of business processes utilizing technologies such as blockchain technology. | $102M | Series B | Sep 01, 2025 |  |
| Spectronix | Spectronics is a development of new technologies and new applications to bring about innovation, focusing on the future of laser technology. | $3.1M | Series F | Jan 23, 2025 |  |
| Moon-X | MOON-X serves as a launch pad for brands through co-creation with communities and manufacturing partners. MOON-X's brand categories include baby and maternity, leather accessories, business goods, liquor, and men's and women's skincare. | $23.8M | Series C | Jan 30, 2024 |  |
| Nanofiber Quantum Technologies | Nanofiber Quantum Technologies is a research and manufacturing company that develops hardware for quantum communications. Its technologies provide quantum computers using nanofibers and advanced engineering, specializing in quantum cryptography, quantum communications, and other technologies related to quantum science for social implementation. | $8.5M | Convertible Note | Sep 15, 2023 |  |
| Blue Laser Fusion | Blue Laser Fusion is a commercial fusion company. Blue Laser Fusion is a laser startup to commercialize laser fusion by inventing its own laser and fusion reactor. | $25M | Seed | Jul 27, 2023 |  |
| Zeals | ZEALS is the leading conversational commerce company in Japan serving over 400 large domestic and multi-national enterprises. Our vision is to revolutionize how we do commerce and the overall engagement experience. We offer ZEALS Chatbot Commerce, a fully automated conversational engagement on messaging applications that services end customer likea human sales representative. | $9M | Series D | Mar 31, 2021 |  |
| LayerX | LayerX which promotes the digitization of business processes utilizing technologies such as blockchain technology. | $27.9M | Venture - Series Unknown | May 28, 2020 |  |
| Moon-X | MOON-X serves as a launch pad for brands through co-creation with communities and manufacturing partners. MOON-X's brand categories include baby and maternity, leather accessories, business goods, liquor, and men's and women's skincare. | $138.3M |  | Feb 04, 2020 |  |
| Moon-X | MOON-X serves as a launch pad for brands through co-creation with communities and manufacturing partners. MOON-X's brand categories include baby and maternity, leather accessories, business goods, liquor, and men's and women's skincare. | $9.1M | Series A | Feb 04, 2020 |  |
| Stadium | stadium company name means "a place where teams can get involved."The symbol symbolizes the attitude of leaving a footprint in the world by taking a step forward , and the typeface expresses that a united individual unites to become a solid team . The brand colors are exciting orange, a symbol of enthusiasm, and bold black , a symbol ofunwavering determination . | $79.4M |  | May 28, 2019 |  |

10 of 14 investments shown.

## Co-investors
- [ANRI](https://shizune.co/investors/profile/anri) — VC Fund, 2 deals together
- [Shinsei Corporate Investment](https://shizune.co/investors/profile/shinsei-corporate-investment-limited) — VC Fund, 2 deals together
- [SPARX Group](https://shizune.co/investors/profile/sparx-group) — VC Fund, 2 deals together
- [Coreline Ventures](https://shizune.co/investors/profile/coreline-ventures) — VC Fund, 1 deal together
- [CyberAgent](https://shizune.co/investors/profile/cyberagent-2) — VC Fund, 1 deal together
- [DBJ Capital](https://shizune.co/investors/profile/dbj-capital) — VC Fund, 1 deal together

## About JAFCO

VC Fund · Tokyo, Japan

Since its founding in 1973, JAFCO has always worked with leading-edge entrepreneurs. The total capital commitments of its investment funds in Japan and overseas have exceeded 1 trillion yen and the number of portfolio IPOs to date has reached over 1,000. In addition to venture investment, JAFCO also carries out buyout investment and commit to thecreations of innovative technologies and services worldwide. As entrepreneurs’ closest partner in bringing their visions to life, JAFCO provides support in areas of HR, marketing/ sales, and back-office operations, in addition to providing financing.

5 contacts available at JAFCO.

| Name | Title | Profile |
| --- | --- | --- |
| Haruyoshi Onuma | Partner | https://shizune.co/investors/profile/haruyoshi-onuma |
| Keisuke Miyoshi | President and CEO | https://shizune.co/investors/profile/keisuke-miyoshi |
| Taira Kobayashi | Principal | https://shizune.co/investors/profile/taira-kobayashi |
| Takahara Mizuki | Partner | https://shizune.co/investors/profile/takahara-mizuki |
| Tomotake Kitazawa | Partner | https://shizune.co/investors/profile/tomotake-kitazawa |

## Similar investors

### Similar stage
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Keisuke Miyoshi invest in?

Keisuke Miyoshi invests primarily in Information Technology, Messaging and Manufacturing startups, most often at Series B and Funding Round stage. Most of the 14 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Keisuke Miyoshi last invest?

The most recent investment recorded for Keisuke Miyoshi closed in Sep 2025. Shizune tracks 14 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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