Key facts
- D Free’s last known valuation is $10.8M (Mar 2023).
- It has raised $25.1M; the latest was Equity Crowdfunding ($2.8M) in May 2025.
- Notable investors include Google for Startups, Mizuho Capital, J-Startup, Nissay Capital, Daiwa Corporate Investment — 24 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 24 names
- ·Watchlist + deal alerts for D Free
- ·The full record, as it builds
Funding rounds
No funding rounds for D Free are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About D Free
Developer of urination predictor device designed to help elderly and disabled people suffering from incontinence. The company's device offers a non-invasive sensor that utilizes ultrasonic technology to track the progression of bladder movements, analyzes the data collected by the sensor, and sends a notification to the user's smartphone before and after the actual timing of the toilet, enabling caretakers to predict the patient's toilet timings and guide them accordingly.
- Sector
- Healthcare
- HQ
- Tokyo, Japan
- Founded
- 2015
- Employees
- 2
- Website
- dfree.co.jp/
- Ownership
- Privately Held (backing)
D Free doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in D Free shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on D Free in its N-PORT filings yet. We sweep new filings monthly.