PARTOW TECHNOLOGIES LLC

Vista, CA · Semiconductors · Private

Heterogeneous surface-activated atomic diffusion bonding system for bonding ultra-wide bandgap semiconductors (GaN, Ga2O3) to SiC substrates to reduce thermal barrier resistance

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Updated Oct 23, 2026

Sector: Semiconductors
Headquarters: Vista, CA
Total capital: $4.6M

Federal grants: $2.7M; 7 awards · 2015–2024; Rank in peer group#5 of 57
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $1.8M; 2 awards · Defense; Rank in Semiconductors#101 of 707
Granted patents: 4; 2 pending · first 2020; Rank in peer group#11 of 57

Capital timeline

Latest events

Mar 2024Federal contractDefense · Atomic Fusion Wafer Bonding Tool For Ultra-high-power Switches$1.7M
Feb 2024Federal grantDefense · Phase II · Atomic Fusion Wafer Bonding Tool For Ultra-high-power Switches$884K
Jan 2023Federal grantDefense · Phase I · Atomic fusion wafer bonding tool for ultra-high power switches$249K
Jun 2019Federal contractDefense · Research And Development Igf::ot::igf$140K
Mar 2019Federal grantDefense · Phase I · Photonic Quantizer for Use in Photonic Analog to Digital Converters (pADCs)$150K
Feb 2019Federal grantEnergy · Phase I · Electron-Beam Characterization Sensors Based on Lithium Niobate Modulators$157K
Jun 2016Federal grantNASA · Phase I · Thin Film Lithium Niobate Microring Modulators for Analog Photonics$125K

Show 2 earlier federal awards

Apr 2016Federal grantEnergy · Phase II · Advanced QPSK Optical Modulators Using Lithium Niobate Thin Films$1M
Feb 2015Federal grantEnergy · Phase I · Advanced QPSK Optical Modulators Using Lithium Niobate Thin Films$150K

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 57 peers

Line = median

Semiconductors · System

Federal grants#5 · top 9%
Granted patents#11 · top 19%
Linked publications#1 · top 2%

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 · 4 granted of 6

Feb 10, 2026GrantedElectro-optic Thz Emitter And Receiver Devices And Method Of FabricationUSPTOUS 12,547,048
Nov 14, 2023GrantedElectro-optic Electric Field Sensor And Method Of FabricationUSPTOUS 11,815,747
Mar 16, 2021GrantedApparatus For Bonding Wafers and an Optically-Transparent Thin Film Made from the SameUSPTOUS 10,948,653

Show all 6 patent records

Electro-optic Thz Emitter And Receiver Devices And Method Of FabricationFeb 10, 2026 · US 12,547,048Granted
Electro-optic Electric Field Sensor And Method Of FabricationNov 14, 2023 · US 11,815,747Granted
Apparatus For Bonding Wafers and an Optically-Transparent Thin Film Made from the SameMar 16, 2021 · US 10,948,653Granted
Apparatus For Bonding Wafers and an Optically-Transparent Thin Film Made from the SameMay 26, 2020 · US 10,663,661Granted
Electro-optic Electric Field Sensor And Method Of FabricationApplication 62897253Pending
Apparatus for Bonding Polished Surfaces and Advanced Substrates Made from the SameApplication 62622785Pending

Recent research by its founders

Implementation of a 1550-nm laser system for beam characterization at the Argonne Wakefield Accelerator20260 cites
Integrated Electro-Optic Thin-Film Lithium Niobate THz Wave Sensor20250 cites
Thin-film lithium niobate electro-optic terahertz wave detector202413 cites

LA LUCE CRISTALLINA, INC.Similar federal contract value in Semiconductors · $1.9M in contracts
ARITH INCSimilar federal contract value in Semiconductors · $1.9M in contracts
NONLINEAR MATERIALS CORPSimilar federal contract value in Semiconductors · $1.9M in contracts
DeepSim, Inc.Similar federal contract value in Semiconductors · $1.8M in contracts
SENSOR CREATIONS, INC.Similar federal contract value in Semiconductors · $1.6M in contracts
TERASPATIAL INCSimilar federal contract value in Semiconductors · $1.6M 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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.