DFree株式会社
PrivateLast Round
Corporate Funding
Jul 15, 2025
Total Funding Raised
$36.48M
Company Overview
DFree株式会社 is a health-tech company that develops and sells DFree, a wearable device using an ultrasonic sensor to predict urination timing for individuals and care facilities.
Sector
Healthcare & Life Sciences
Verticals
Medical Devices, Health IoT, Sensors
Business Model
B2B
Customer Profile
Hardware + Subscription, Hardware Sales, Freemium
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
DFree株式会社 Comparables
Compare DFree株式会社 with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| MEDiThings Co., Ltd. | 84% | |
| inContAlert | 84% | |
| Essity | 79% | |
DFree株式会社 Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Corporate Funding | Jul 15, 2025 | ||||
| Series D | Mar 17, 2023 | ||||
| Series C | Dec 31, 2020 | ||||
| Series B | Mar 31, 2019 | ||||
| Early Funding | Nov 6, 2017 | ||||
Grant | Mar 16, 2017 |
DFree株式会社 Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Hack Ventures | Seed |
| Revamp Corporation | Series A |
| iSGS Investment Works | Series A |
| 2020 | Early Funding, Series A |
| Mizuho Capital | Series A |
| 株式会社日本政策金融公庫 | Debt, Series A |
| New Energy and Industrial Technology Development Organization | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 15, 2025
$5.35M round led by Maezawa Fund.
- Jun 1, 2025
Monthly visitors increased 37% MoM.
DFree株式会社 Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about DFree株式会社's valuation, stock price, and market status.