# Kaya Takafumi

> Kaya Takafumi is a Series A investor at SignalTalk backing Medical and Health Care. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [SignalTalk](https://shizune.co/investors/profile/signaltalk)
- Total investments: 1
- Last investment: Jul 2020
- Lead investor: 100%
- Last updated: Aug 2026

Kaya Takafumi is a Series A investor at SignalTalk focused on Medical and Health Care. Kaya Takafumi - President / Founder @ SignalTalk

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 1 | 100% |
| Health Care | 1 | 100% |
| Information Technology | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Aiwell | Aiwell is a medical and health company that provides health information and the provision of health promotion and prevention services. |  | Series A | Jul 29, 2020 |  |

1 of 1 investments shown.

## Co-investors
- [Taisho Pharmaceutical Holdings](https://shizune.co/investors/profile/taisho-pharmaceutical-holdings) — VC Fund, 1 deal together

## About SignalTalk

VC Fund



1 contacts available at SignalTalk.

| Name | Title | Profile |
| --- | --- | --- |
| Kaya Takafumi | President / Founder | https://shizune.co/investors/profile/kaya-takafumi |

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## Featured in investor lists
- [Medical Angel Investors in Japan](https://shizune.co/investors/medical-angel-investors-japan)
- [Health Care Angel Investors in Japan](https://shizune.co/investors/health-care-angel-investors-japan)
- [Health Care Angel Investors in Asia](https://shizune.co/investors/health-care-angel-investors-asia)

## FAQ

### What does Kaya Takafumi invest in?

Kaya Takafumi invests primarily in Medical, Health Care and Information Technology startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Kaya Takafumi last invest?

The most recent investment recorded for Kaya Takafumi closed in Jul 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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