# Macnica

> Macnica is a VC fund in Yokohama backing Health Care and Medical Device. See 11 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Yokohama, Japan
- Total investments: 11
- Last investment: Nov 2025
- Lead investor: 27%
- Last updated: Aug 2026
- Website: https://www.macnica.co.jp/

Macnica is a global leader in supplying semiconductor, electronic components, network equipment, software products, and various services. Its semiconductor equipment and electronic devices include integrated circuits, network equipment, programmable logic device, memory devices, and related accessories that enable electronics and enterprise ITmarkets to avail electronics equipment to manufacture commercial and consumer electronic products.

## Contacts

5 contacts available for Macnica. Shizune tracks 8 team members at Macnica. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/macnica-inc?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1M–$50M |
| Series A | $203k–$2.3M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 4 | 36% |
| Medical Device | 3 | 27% |
| Information Technology | 3 | 27% |
| Biotechnology | 2 | 18% |
| Manufacturing | 2 | 18% |

20 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 27% |
| Series A | 3 | 27% |
| Corporate Round | 3 | 27% |
| Series B | 1 | 9% |
| Funding Round | 1 | 9% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 8 | 73% |
| Taiwan | 1 | 9% |
| Germany | 1 | 9% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Akinobu Miyoshi | Co-CEO & Vice President | 0 | https://shizune.co/investors/profile/akinobu-miyoshi |
| Daisuke Nishimura | Director Business Development - Macnica Networks USA | 0 | https://shizune.co/investors/profile/daisuke-nishimura |
| David Daekyung Sue | Managing Director | 0 | https://shizune.co/investors/profile/david-daekyung-sue |
| Fumihiko Arai | Managing Director | 0 | https://shizune.co/investors/profile/fumihiko-arai |
| Hara Kazumasa | President & Co-CEO | 1 | https://shizune.co/investors/profile/hara-kazumasa |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| SecureNavi | SecureNavi offers automation tools for the information security management system. It reduces conventional analogue operations using excel and word. For inquiries, telephone numbers and physical addresses are available on their website. | $7.8M | Series B | Nov 06, 2025 |  |
| Kokoro Mill | Kokoro Mill is a manufacturing company that designs medical devices to analyze autonomic nervous system activity and arrhythmias. |  | Corporate Round | Feb 20, 2024 |  |
| Kokoro Mill | Kokoro Mill is a manufacturing company that designs medical devices to analyze autonomic nervous system activity and arrhythmias. | $203.2K | Series A | Sep 19, 2023 |  |
| NEXTAGE | Nextage is an Agri-tech company that offers wasabi cultivation in a container. | $1M | Seed | Feb 22, 2023 |  |
| LQUOM | QWAVE offers cryptography communication technology. | $2.3M | Series A | Jan 31, 2023 |  |
| Team T5 Inc. | TeamT5 is a professional cyber security solution provider. Compared with other cyber threat intelligence (CTI) vendors, TeamT5 has the deepest understanding of cyber espionage in the Asia-Pacific region. Our world-class research team has dedicated to malware research and security incident response for more than 10 years. With solid technicalbackground and frontline expertise, our portal ThreatVision delivers the best CTI, and ThreatSonar offers the most effective APT hunting solutions. With TeamT5, you are able to being ahead of your threats. |  | Series A | Jul 14, 2022 |  |
| Arblet | Since the company was founded in 2016, Arblet Inc. focuses on developing non-invasive methods to measure inner body changes. Arblet’s mission is to elucidate the mystery of mankind. |  | Corporate Round | May 31, 2021 |  |
| Aptpod | aptpod has been in pursuit of frameworks that optimize all layers of data gathering (logger), transmitting (internet channel), and visualizing (UI/UX) data with one stop even before the IoT boom. In the age when things are connected via the internet, it brings reform to industrial scenes, research and development, and scenes of living throughdata processing of each device, real-time transmission using mobile networks, and visualization and analysis of fast data. |  | Corporate Round | Apr 05, 2021 |  |
| Save Medical | Digital Therapeutic company for Japan market. First product is for Type 2 Diabetes patients. | $49.6M | Seed | Jan 15, 2020 |  |
| Japanese Organization for Medical Device Development | The Japan Medical Device Development Organization aims to activate Japan's medical innovation and medical device industry, centering on the medical device incubation business, and aim for Japan to become a world leader in this field.Japanese Organization for Medical Device Development is a country of craftsmanship, possesses high technicaland quality control skills, and should be good at producing medical equipment. However, in the medical device field, imports exceed 600 billion yen every year. Japan's “manufacturing” technology has not been fully utilized. | $141.7M |  | Jul 10, 2019 |  |

10 of 11 investments shown.

## Co-investors
- [SBI Investment](https://shizune.co/investors/profile/sbi-investment-2) — VC Fund, 4 deals together
- [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund, 3 deals together
- [Japan Science and Technology Agency](https://shizune.co/investors/profile/japan-science-and-technology-agency) — VC Fund, 2 deals together
- [Mobile Internet Capital](https://shizune.co/investors/profile/mobile-internet-capital) — VC Fund, 2 deals together
- [Seiho Investment Works](https://shizune.co/investors/profile/seiho-investment-works) — VC Fund, 2 deals together
- [Canon](https://shizune.co/investors/profile/canon-inc) — VC Fund, 1 deal together

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## FAQ

### What does Macnica invest in?

Macnica invests primarily in Health Care, Medical Device and Information Technology startups, most often at Seed and Series A stage. Most of the 11 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Macnica's check size?

Macnica typically joins rounds of $1M–$50M at Seed and $203k–$2.3M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Macnica participates in.

### How do I contact Macnica?

Public channels for Macnica 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.

### Who are the partners at Macnica?

The team at Macnica includes Akinobu Miyoshi (Co-CEO & Vice President), Daisuke Nishimura (Director Business Development - Macnica Networks USA) and David Daekyung Sue (Managing Director), among 8 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### 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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