# Marubun Corporation

> Marubun Corporation is a VC fund in Tokyo backing Electronics, Software and Wearables. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Tokyo, Japan
- Total investments: 2
- Last investment: May 2021
- Lead investor: 0%
- Last updated: Aug 2026
- Website: http://www.marubun.co.jp/en

Marubun Corporation is a VC fund in Tokyo focused on Electronics and Software. Distribution of Cutting-edge Electronics Products

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Electronics | 2 | 100% |
| Software | 1 | 50% |
| Wearables | 1 | 50% |
| 3D Technology | 1 | 50% |
| Semiconductor | 1 | 50% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 50% |
| Funding Round | 1 | 50% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Taiwan | 1 | 50% |
| United States | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| eYs3D Microelectronics | EYs3D Microelectronics is a company in 3D image capture designs and solutions. 3D capturing IC, eYs3D’s chief product, is known for its quality, efficiency, and cost-effectiveness. The company also holds a position in the virtual reality market that provides a complete 3D imaging solution featuring low latency which is an aspect that is both rareand crucial to the success of a good virtual reality experience.EYs3D Microelectronics was founded in January 2016 and is based in Taipei, Taiwan. | $7M | Series A | May 25, 2021 |  |
| MC10 | MC10, Inc. extends human capabilities through virtually invisible and conformal electronics. They reshape rigid, conventional electronics into thin, flexible devices that can stretch, bend and twist seamlessly with their bodies and the natural world. It combines breakthrough technology with innovative engineering to develop products that advancethe quality of life. The company's end-to-end system designed for In-Home and In-Clinic Study Execution. Its proprietary BioStamp system wearable health tech creates comfortable, discreet sensors that can be applied anywhere on the body for targeted data collection. With location-specific sensing capabilities, BioStamp sensors are able to retrieve real-world data about muscle activation and movement. | $10M |  | Aug 20, 2018 |  |

2 of 2 investments shown.

## Co-investors
- [Aberdare Ventures](https://shizune.co/investors/profile/aberdare-ventures) — VC Fund, 1 deal together
- [ARM IoT Capital](https://shizune.co/investors/profile/arm-iot-capital) — VC Fund, 1 deal together
- [Braemar Energy Ventures](https://shizune.co/investors/profile/braemar-energy-ventures) — VC Fund, 1 deal together
- [Haiyin Capital](https://shizune.co/investors/profile/haiyin-capital) — VC Fund, 1 deal together
- [Medtronic](https://shizune.co/investors/profile/medtronic) — VC Fund, 1 deal together
- [Mitsui Global Investment](https://shizune.co/investors/profile/mitsui-ventures) — VC Fund, 1 deal together

## Similar investors

### Similar industry
- [SOSV](https://shizune.co/investors/profile/sosv) — VC Fund
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### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
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- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

### Similar country
- [National Development Fund of Taiwan Government](https://shizune.co/investors/profile/national-development-fund-of-taiwan-government) — VC Fund
- [Darwin Venture Management](https://shizune.co/investors/profile/darwin-venture-management) — VC Fund
- [AVA Angels](https://shizune.co/investors/profile/ava-angels) — VC Fund

## Featured in investor lists
- [Consumer Investors in Taiwan](https://shizune.co/investors/consumer-investors-taiwan)
- [Consumer VC Funds in Taiwan](https://shizune.co/investors/consumer-vc-funds-taiwan)
- [Hardware Investors in Taiwan](https://shizune.co/investors/hardware-investors-taiwan)
- [Hardware VC Funds in Taiwan](https://shizune.co/investors/hardware-vc-funds-taiwan)

## FAQ

### What does Marubun Corporation invest in?

Marubun Corporation invests primarily in Electronics, Software and Wearables startups, most often at Series A and Funding Round stage. Most of the 2 investments tracked by Shizune back companies in Taiwan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Marubun Corporation last invest?

The most recent investment recorded for Marubun Corporation closed in May 2021. Shizune tracks 2 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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