OOKUMA DIAMOND DEVICE Co., Ltd.
PrivateLast Round
Early Funding
Oct 17, 2024
Total Funding Raised
$29.99M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
OOKUMA DIAMOND DEVICE Co., Ltd. is a semiconductor company that develops and manufactures diamond semiconductor devices designed for high radiation and high-temperature environments, targeting applications in satellite communications, 5G base stations, and nuclear decommissioning.
Sector
Frontier & Industrial Tech
Verticals
Semiconductors, Advanced Materials, Defense Tech, Satellite Communications, 5G Infrastructure
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
OOKUMA DIAMOND DEVICE Co., Ltd. Comparables
Compare OOKUMA DIAMOND DEVICE Co., Ltd. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Power Diamond Systems | 80% | |
| Diamfab | 77% | |
| Great Lakes Crystal Technologies | 76% | |
OOKUMA DIAMOND DEVICE Co., Ltd. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Oct 17, 2024 | ||||
| Debt | Feb 15, 2024 | ||||
| Seed | May 24, 2023 |
OOKUMA DIAMOND DEVICE Co., Ltd. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| GLOBIS Capital Partners | Seed, Early Funding |
| SBI Shinsei Corporate Investment | Early Funding |
| Coral Capital | Early Funding, Seed |
| aSTART Co., Ltd. | Early Funding |
| 株式会社FFGベンチャービジネスパートナーズ | Early Funding |
| Shinsei Corporate Investment | Early Funding |
| Mitsui Sumitomo Insurance | Early Funding |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 24, 2026
Monthly visitors increased 58% MoM.
- Apr 15, 2026
Monthly visitors increased 117% MoM, reaching 10.3K.
OOKUMA DIAMOND DEVICE Co., Ltd. Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about OOKUMA DIAMOND DEVICE Co., Ltd.'s valuation, stock price, and market status.