OOKUMA DIAMOND DEVICE Co., Ltd.
PrivateLast Round
Early Funding
Oct 17, 2024
Total Funding Raised
$29.99M
Momentum
Top 25%
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. Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
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.
- 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 |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about OOKUMA DIAMOND DEVICE Co., Ltd.'s valuation, stock price, and market status.