Teraphysics Corporation

CLEVELAND, OH · Defense · Private

Miniature mm-wave traveling-wave tube (TWT) amplifiers operating from 70–650 GHz for high-frequency signal amplification

Claim this profile

Follows are private to you and power your alerts

Updated Oct 23, 2026 · teraphysics.com

Sector: Defense
Headquarters: CLEVELAND, OH
Latest Form D: $50K, Feb 2016
Total capital: $4.8M

Federal grants: $750K; 1 award · 2015; Rank in peer group#22 of 48
Private capital raised: $525K; 3 Form D · last Feb 2016; 129 months since last filing
Federal contracts: $3.5M; 6 awards · Defense, NASA; Rank in Defense#596 of 1442
Granted patents: None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

Latest events

Apr 2016Federal contractDefense · Igf::ot::igf Innovative Vacuum Electronics Science And Technology (invest).$1.4M
Feb 2016Private capital raisedForm D · SEC · 3rd filing$50K
Jul 2015Federal grantDefense · Phase II · Microfabricated, 71-76 GHz, Helical Traveling Wave Tube$750K
May 2014Federal contractDefense · Igf::ot::igf Microfabricated, 71-76 Ghz, Helical Traveling Wave Tube$150K
Jan 2014Federal contractDefense · Igf::ot::igf Helical Traveling Wave Tube$253K
Nov 2013Private capital raisedForm D · SEC · 2nd filing$150K
Jul 2012Private capital raisedForm D · SEC · 1st filing$325K

Show 3 earlier federal awards

Apr 2012Federal contractNASA · Igf::ot::igf Other Function - Teraphysics Corporation Completed The Phase I Objectives For The Electrical Design Of A 94 Ghz, 26 W Twt With 53% Overall Efficiency, Including The Helical Circuit With Efficiency Enhancing Taper, Input/output Couplers, Electron Gun, Magnetic Circuit And Multistage Depressed Collector. The Device Includes A Novel, Microfabricated, Helical Circuit With Electron Beam Propagating Above The Helix Rather Than Through The Middle. In Addition To Completing All Of The Propo$900K
Feb 2011Federal contractNASA · Teraphysics Corporation Proposes To Design And Develop A Microfabricated, 94 Ghz, 25 W Traveling Wave Tube (twt) With 53% Efficiency For NASA Applications. In Phase I, We Plan To Prove Feasibility By Completing Electrical Designs Of All Major Components. In Phase II, We Would Complete The Mechanical Design, Fabrication, Assembly, And Test Of A Laboratory Model. To Successfully Complete This Program, Teraphysics Will Apply Our Expertise In Vacuum Electronics Focusing In Mm-wave And Thz Devices; E$99K
Aug 2007Federal contractDefense · STTR Phii$750K

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.

Federal first

59months

from Teraphysics Corporation’s first federal award to its first private round.

First federal award · Aug 2007: Defense · $750K
First Form D · Jul 2012: $325K · 1st Form D
Awards before first raise: 3 awards

An association in public records, not a cause or a prediction.

Standing among 48 peers

Line = median

Defense · Device

Federal grants#22 · top 46%

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

From SEC Form D filings

Loui S. FisiExecutive OfficerNamed in SEC Form D filings
Louis S. FisiExecutive OfficerNamed in SEC Form D filings

What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

HIKINO ASSOCIATES, LLCSimilar federal contract value in Defense · $3.7M in contracts
APPLIED RESEARCH LLCSimilar federal contract value in Defense · $3.7M in contracts
Synaptech LLCSimilar federal contract value in Defense · $3.5M in contracts
IMMOBILEYES INCSimilar federal contract value in Defense · $3.4M in contracts
AUGMNTR, INC.Similar federal contract value in Defense · $3.4M in contracts
FORTEM TECHNOLOGIES INCSimilar federal contract value in Defense · $3.4M in contracts

Regulatory activity · Defense

Sector-level, not company-level

11 Jun 2026Danger Zone; Waters of Carr Creek and Whitehall Bay in the Vicinity of the Naval Support Activity AnnapolisEngineers Corps
13 Mar 2026Federal Acquisition Regulation; Federal Acquisition Circular 2026-01; IntroductionNational Aeronautics and Space Administration
13 Mar 2026Federal Acquisition Regulation: Trade Agreements ThresholdsNational Aeronautics and Space Administration
13 Mar 2026Federal Acquisition Regulation; Federal Acquisition Circular 2026-01; Small Entity Compliance GuideNational Aeronautics and Space Administration
27 Aug 2025Federal Acquisition Regulation; Federal Acquisition Circular 2025-06; Small Entity Compliance GuideNational Aeronautics and Space Administration
27 Aug 2025Federal Acquisition Regulation; Federal Acquisition Circular 2025-06; IntroductionNational Aeronautics and Space Administration

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.