MILLIMETER WAVE SYSTEMS LLC

AMHERST, MA · Quantum · Private

Quantum noise-limited amplifiers for quantum computers using superconducting elements

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Updated Oct 23, 2026 · millimeterwavesystems.com

Sector: Quantum
Headquarters: AMHERST, MA
Total capital: $2.8M

Federal grants: $1.2M; 2 awards · 2019–2021; Rank in peer group#24 of 48
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $1.6M; 9 awards · NASA, Defense; Rank in Quantum#31 of 112
Granted patents: 2; 4 pending · first 2023; Rank in peer group#14 of 48

Capital timeline

Latest events

Feb 2026Federal contractNASA · Custom 50-58 Ghz Gaussian Lens Antenna$40K
May 2023Federal contractDefense · Design, Build And Test A Scalable Miniaturized Sensor That Uses Radio Waves To Produce Video Images While Scanning An Object To Detect Potential Threats Hidden In The Scanned Object Using A Lower Cost And Higher Performing Device Than.$183K
Oct 2022Federal contractNASA · V-band Switch$109K
Oct 2022Federal contractNASA · V-wave$50K
Jan 2021Federal grantNSF · Phase II · STTR Phase II: Versatile Low-Noise Traveling-Wave Parametric Amplifier for Quantum Information Processing$966K
Jul 2020Federal contractNASA · V-band Switch (65-70 Ghz)$919K
Aug 2019Federal contractNASA · Technologies For Active Microwave Remote Sensing$125K

Show 4 earlier federal awards

Feb 2019Federal grantNSF · Phase I · SBIR Phase I: Versatile Low-Noise Traveling-Wave Parametric Amplifier for Quantum Information Processing$225K
Jul 2018Federal contractDefense · Power Amplifiers Pr# 81-4069-18$80K
Jun 2017Federal contractDefense · Custom Dynamic Attenuator Pr# 56-9511-17$50K
May 2017Federal contractNASA · Igf::ot::igf Ka-band Solid State Power Amplifier$27K

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 48 peers

Line = median

Quantum · Device

Federal grants#24 · top 50%
Granted patents#14 · top 29%

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 · 2 granted of 6

Jun 3, 2025GrantedBroadband Junction Ferrite CirculatorUSPTOUS 12,322,848
May 8, 2025PendingQubit Readout Pump Suppression MethodUSPTOApplication 18224411
Jul 4, 2023GrantedIris Coupled Coaxial Transmission Line To Waveguide AdapterUSPTOUS 11,695,192

Show all 6 patent records

Broadband Junction Ferrite CirculatorJun 3, 2025 · US 12,322,848Granted
Qubit Readout Pump Suppression MethodMay 8, 2025 · Application 18224411Pending
Iris Coupled Coaxial Transmission Line To Waveguide AdapterJul 4, 2023 · US 11,695,192Granted
Cryogenic Parametric Amplifier Control ApparatusAug 18, 2022 · Application 17625449Pending
Qubit ResonatorApplication 63391525Pending
Broadband Junction Ferrite CirculatorApplication 63355108Pending

MILLIMETER WAVE SYSTEMS, LLCShares a founder: Christopher Koh
QUNNECT, INCSimilar federal contract value in Quantum · $1.9M in contracts
Cerfe Labs, Inc.Similar federal contract value in Quantum · $1.8M in contracts
QUERA COMPUTING INCORPORATEDSimilar federal contract value in Quantum · $1.7M in contracts
MAYBELL QUANTUM INDUSTRIES, INC.Similar federal contract value in Quantum · $1.5M in contracts
High Precision Devices, Inc.Similar federal contract value in Quantum · $1.1M in contracts

Regulatory activity · Quantum

Sector-level, not company-level

24 Apr 2026Eliminating Regulations Establishing Fellowships in Laboratory Standardization and Testing for Foreign CitizensNational Institute of Standards and Technology
19 Feb 2026Eliminating Obsolete Marking Requirements for Toy, Look-Alike, and Imitation FirearmsNational Institute of Standards and Technology
19 Feb 2026Eliminating Obsolete Regulations Related to the Advanced Technology Program and the Technology Innovation ProgramNational Institute of Standards and Technology

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.