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PSEUDOLITHIC INC.

Santa Barbara, CA · Semiconductors · Private

Heterogeneous integrated circuits combining compound semiconductor transistors (InP, GaAs, GaN) on silicon interposers for mm-Wave and terahertz analog circuits

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Updated · pseudolithic.com

Sector
Semiconductors
Headquarters
Santa Barbara, CA
Total capital
$9.8M
Federal grants
$6.4M
8 awards · 2021–2023
Rank in peer group#24 of 72
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$3.5M
2 awards · Defense
Rank in Semiconductors#72 of 707
Granted patents
10
12 pending · first 2023
Rank in peer group#12 of 72

Capital timeline

202120222023FEDERAL ↑EQUITY ↓Cumulative $9.8M$256K$1.5M$1.5M$3.2M$1.5M$1.1M
202120222023FEDERAL ↑EQUITY ↓Cumulative $9.8M$1.5M$1.5M$3.2M$1.5M

Latest events

  • Federal grantEnergy · Phase II · THz Heterogeneous Integration for Next generation Communications (THINC) Phase 2$1.1M
  • Federal grantNSF · Phase II · SBIR Phase II:Integration of Heterogeneous Device Technologies$1.5M
  • Federal contractDefense · W-band Receiver With Anti-jam Protection (wrap)$3.2M
  • Federal grantDefense · Phase I · Counter-UAS Novel Testbed and Enhanced Radar (CoUNTER)$173K
  • Federal grantDefense · Phase II · Rapid Manufacturing of Heterogeneous mm-Wave Phased Arrays$1.5M
  • Federal grantDefense · Phase II · Pseudolithic Integration for mm-wave Transceivers with Chiplet HEMTs$1.5M
  • Federal grantEnergy · Phase I · THz Heterogeneous Integration for Next generation Communications (THINC)$200K
Show 3 earlier federal awards
  • Federal grantDefense · Phase I · W-band Receiver with Anti-jam Protection (WRAP)$146K
  • Federal grantNSF · Phase I · SBIR Phase I: Pseudolithic Integration of Heterogeneous Device Technologies$256K
  • Federal contractDefense · Kick-off Briefing Materials & Fwa Cert.$240K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 72 peers

Line = median

Semiconductors · Device

  • Federal grants#24 · top 33%
  • Granted patents#12 · top 17%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 10 granted of 22
Show all 22 patent records

Related companies, and why

  • PSEUDOLITHIC, LLCShares a founder: James F Buckwalter, Daniel S Green
  • CEREBRAS SYSTEMS INCSimilar federal contract value in Semiconductors · $3.7M in contracts
  • EOTRON LLCSimilar federal contract value in Semiconductors · $3.6M in contracts
  • OSEMI INCSimilar federal contract value in Semiconductors · $3.5M in contracts
  • KYMA TECHNOLOGIES, INC.Similar federal contract value in Semiconductors · $3.4M in contracts
  • GSI TECHNOLOGY, INC.Similar federal contract value in Semiconductors · $3.4M in contracts

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .