# Keisuke Ide

> Keisuke Ide is a Series A investor at ZenmuTech (Tokyo) backing Nanotechnology. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [ZenmuTech](https://shizune.co/investors/profile/zenmutech)
- Location: Tokyo, Japan
- Total investments: 1
- Last investment: Apr 2020
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/keis-i-8197091/

Keisuke Ide is a Series A investor at ZenmuTech in Tokyo focused on Nanotechnology. Through management strategy consulting specialized engineers semiconductor manufacturing equipment KLA-Tencor Corporation, San Jose, technology and marketing McKenna Group of (Palo Alto), the overseas business development director fabless semiconductor venture company (Tokyo), 2007 1 I reach the moon GLOBIS Capital Partners joined, to the present.University of Virginia Engineering Degree, Stanford University Master of Engineering Management graduates. Japan Stanford Association director.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Nelumbo | Nelumbo is commercializing a new platform of structural materials. The company’s current focus is on developing improved heat exchangers for the HVAC market. Our ability to improve energy performance and minimize corrosion in a single platform unlocks mass market opportunity with potential for significant carbon emission and energy use reductionsworldwide. | $14M | Series A | Apr 15, 2020 |  |

1 of 1 investments shown.

## Co-investors
- [Berkeley Catalyst Fund (BCF)](https://shizune.co/investors/profile/berkeley-catalyst-fund-bcf) — VC Fund, 1 deal together
- [Danfoss Ventures](https://shizune.co/investors/profile/danfoss-ventures) — VC Fund, 1 deal together
- [Darwin Venture Management](https://shizune.co/investors/profile/darwin-venture-management) — VC Fund, 1 deal together
- [Harmonix Fund](https://shizune.co/investors/profile/harmonix-fund) — VC Fund, 1 deal together
- [Harmonix Fund](https://shizune.co/investors/profile/neue-fund) — VC Fund, 1 deal together
- [Photon Fund](https://shizune.co/investors/profile/photon-fund) — VC Fund, 1 deal together

## About ZenmuTech

VC Fund · Tokyo, Japan

ZenmuTech is a provider of security solutions intended to protect important information from leakage and theft. The company's platform provides security solutions implemented with conventional encryption technology by converting information into dispersing information bits based on secret sharing technologies, thereby enabling organizations toprotect themselves from security threats.

5 contacts available at ZenmuTech.

| Name | Title | Profile |
| --- | --- | --- |
| Keisuke Ide | Part-time auditor | https://shizune.co/investors/profile/keisuke-ide |
| Akihiro Moto | Part-time Auditor | https://shizune.co/investors/profile/akihiro-moto |
| Hiroshi Nakajima | Advisor | https://shizune.co/investors/profile/hiroshi-nakajima |
| Hiroshi Yasuda | Special Advisor | https://shizune.co/investors/profile/hiroshi-yasuda |
| Okazumi Masao | Executive Chairman | https://shizune.co/investors/profile/okazumi-masao |

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## FAQ

### What does Keisuke Ide invest in?

Keisuke Ide invests primarily in Nanotechnology startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Keisuke Ide last invest?

The most recent investment recorded for Keisuke Ide closed in Apr 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 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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