DFree株式会社
PrivateLast Round
VC Round
Jul 15, 2025
Total Funding Raised
$24.95M
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
B2C
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 Comps
Public and private peers based on sector, stage, and business model.
DFree株式会社 Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| VC Round | Jul 15, 2025 | ||||
| Series D | Mar 17, 2023 | ||||
| Series C | Dec 31, 2020 | ||||
| Series B | Mar 31, 2019 | ||||
| VC Round | Nov 6, 2017 | ||||
Grant | Mar 16, 2017 |
DFree株式会社 Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Revamp Corporation | Series A |
| iSGS Investment Works | Series A |
| 2020 | VC Round, Series A |
| Mizuho Capital | Series A |
| 株式会社日本政策金融公庫 | Debt |
| Nissay Capital | VC Round |
| Daiwa Corporate Investment Co., Ltd. | Series A |
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.
