Skip to main content
Caplight Logo









Power Diamond Systems

Power Diamond Systems

Private
TokyoFrontier & Industrial Techhttps://www.powerdiamondsys.com/

Last Round

Series A

Jan 17, 2025

Est. Valuation

$23.81M

Total Funding Raised

$6.09M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Power Diamond Systems (PDS) is a fabless startup that emerged from Waseda University, concentrating on the research and development of diamond semiconductor devices. The company's technology is built upon foundational inventions by co-founder Professor Hiroshi Kawarada and is focused on creating power p-channel field-effect transistors (p-FETs). These components are designed for high-efficiency power electronics with applications in quick-charging systems for electric vehicles, 5G/6G networks, and renewable energy systems. PDS operates on a fabless business model, collaborating with university fabrication facilities and major semiconductor manufacturers to commercialize its diamond semiconductor technology.

Sector

Frontier & Industrial Tech

Verticals

Semiconductors, Advanced Materials, Energy Storage, Electric Vehicles

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting, Government Contracts

AI Layer

Non-AI

Keywords

diamond semiconductorpower electronicsfabless semiconductorpower deviceswide-bandgap semiconductordeep techhigh-frequency devicesp-FETsinverter modulessemiconductor designadvanced materialssemiconductor R&Dp-channel field effect transistorsEV quick chargingelectric vehicle componentsuniversity spin-out

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Power Diamond Systems Comparables

Compare Power Diamond Systems with similar companies based on industry and business-model similarity.

Power Diamond Systems comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Diamfab
81%
OOKUMA DIAMOND DEVICE Co., Ltd.
80%
FLOSFIA Inc.
76%

Power Diamond Systems Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AJan 17, 2025
SeedNov 2, 2022

Power Diamond Systems Investors

Notable investors and investment history

Power Diamond Systems investors
InvestorRounds
Mizuho CapitalSeries A
JIC Venture Growth InvestmentsSeries A
QB CapitalSeries A
Mitsubishi UFJ CapitalSeries A
WASEDA University VenturesSeries A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 16, 2026

    Monthly visitors increased by 32% MoM.

Power Diamond Systems Filings

Explore SEC and related filing metadata, where available.

Power Diamond Systems filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about Power Diamond Systems's valuation, stock price, and market status.

Is Power Diamond Systems a public or private company?

Power Diamond Systems is a private company.

What is the current stock price of Power Diamond Systems?

Power Diamond Systems is a private company, so its shares have no public market price. Caplight tracks Power Diamond Systems's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Power Diamond Systems worth (valuation)?

Power Diamond Systems's valuation is estimated at $23.8M based on funding round data.

Can I buy Power Diamond Systems stock?

Power Diamond Systems shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Power Diamond Systems's last funding round?

Power Diamond Systems's most recent funding round was Series A on January 17, 2025.

Who are the main investors in Power Diamond Systems?

Key investors in Power Diamond Systems include Mizuho Capital, JIC Venture Growth Investments, QB Capital, Mitsubishi UFJ Capital, WASEDA University Ventures.

Will Power Diamond Systems IPO soon?

No public IPO plans have been announced for Power Diamond Systems.

How can I track Power Diamond Systems secondary market activity?

Caplight tracks bids, offers, and trades in Power Diamond Systems's shares on secondary markets.

Firmographic Details

HeadquartersTokyo
Employee Range2
Year Founded2022
Last FundingJan 17, 2025

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?