CALABAZAS CREEK RESEARCH, INC.

San Mateo, CA · Defense · Private

High efficiency, high continuous wave power multi-beam klystrons for particle accelerators

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Updated Oct 23, 2026 · calcreek.com

Sector: Defense
Headquarters: San Mateo, CA
Total capital: $13.1M

Federal grants: $4M; 9 awards · 2015–2023; Rank in peer group#101 of 164
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $9.1M; 13 awards · Defense; Rank in Defense#415 of 1442
Granted patents: 2; 2 pending · first 2017; Rank in peer group#56 of 164

Capital timeline

Latest events

Jul 2023Federal grantEnergy · Phase I · High Efficiency Klystron, 1.3 GHz, 200 kW CW$200K
Nov 2021Federal contractDefense · Research And Development$1.7M
Aug 2020Federal grantEnergy · Phase II · Additive Manufactured RF Load for ITER$828K
Jul 2020Federal grantDefense · Phase I · Frequency and Phase Locking of Magnetrons Using Varactor Diodes$240K
Aug 2019Federal grantEnergy · Phase II · Direct Coupled Gyrotrons for Plasma Heating$1M
Jul 2019Federal grantEnergy · Phase I · Additive Manufactured RF Load for ITER$207K
Aug 2018Federal grantEnergy · Phase II · High Efficiency Klystrons for Accelerator Applications$1M

Show 15 earlier federal awards

Jun 2017Federal grantEnergy · Phase I · High Efficiency Klystrons for Accelerator Applications$150K
Mar 2017Federal contractDefense · Base Igf::ot::igf$1.4M
Mar 2016Federal contractDefense · Igf::ot::igf STTR Phase II N14A-T010$1.5M
Feb 2016Federal grantEnergy · Phase I · Nanoscale Metal Oxide Coatings for Corrosion Protection of Superalloy Materials$150K
Jul 2015Federal contractDefense · Status Report Igf::ot::igf$150K
Jun 2015Federal grantEnergy · Phase I · 1.5 MW RF Load for ITER$150K
Aug 2014Federal contractDefense · STTR Sol 14.A$150K
Jun 2012Federal contractDefense · Status Report$80K
May 2008Federal contractDefense · First Status Report$70K
Jan 2008Federal contractDefense · High Power 95 Ghz Source With Permanent$600K
Sep 2007Federal contractDefense · 68-4078-07$372K
May 2007Federal contractDefense · A Wide Band Permanent Magnet$749K
Jan 2007Federal contractDefense · STTR Phase 2 ($550K To $750K) Inc Funding/no Opt Cpff$801K
Jul 2005Federal contractDefense · 200510!000186!5700!FA9550!AFOSR/PK !FA955005C0081 !a!n! !y! ! !20050729!20070714!968627539!968627539!968627539!N!CALABAZAS Creek Research Inc !20937 Comer Dr !saratoga !CA!95070!70280!085!06!SARATOGA !santa Clara !CALIFORNIA!+000000749942!N!N!000000749942!AJ16!RDTE/PHYSICAL Sciences - Management Support !S1 !services !000 !* !541710!E! !3! ! ! ! ! !202$749K
Jul 2005Federal contractDefense · 200510!000168!5700!FA9550!AFOSR/PK !FA955005C0080 !a!n! !y! ! !20050729!20070714!968627539!968627539!968627539!N!CALABAZAS Creek Research Inc !20937 Comer Dr !saratoga !CA!95070!70280!085!06!SARATOGA !santa Clara !CALIFORNIA!+000000375000!N!N!000000749915!AJ16!RDTE/PHYSICAL Sciences - Management Support !S1 !services !000 !* !541710!E! !3! ! ! ! ! !202$749K

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 164 peers

Line = median

Defense · Device

Federal grantsBelow median
Granted patents#56 · top 34%

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 4

Nov 26, 2019GrantedMulti-Beam Power Grid Tube for High Power and High Frequency OperationUSPTOUS 10,491,174
Jul 25, 2017GrantedGyrotron Whispering Gallery Mode Coupler With a Mode Conversion Reflector For Exciting a Circular Symmetric Uniform Phase RF Beam in a Corrugated WaveguideUSPTOUS 9,715,988
PendingGyrotron Whispering Gallery Mode Coupler With Phase Correcting Mirrors And Launcher For Direct Coupling Of RF Into HE11 WaveguideUSPTOApplication PCTUS2015016461

Show all 4 patent records

Multi-Beam Power Grid Tube for High Power and High Frequency OperationNov 26, 2019 · US 10,491,174Granted
Gyrotron Whispering Gallery Mode Coupler With a Mode Conversion Reflector For Exciting a Circular Symmetric Uniform Phase RF Beam in a Corrugated WaveguideJul 25, 2017 · US 9,715,988Granted
Gyrotron Whispering Gallery Mode Coupler With Phase Correcting Mirrors And Launcher For Direct Coupling Of RF Into HE11 WaveguideApplication PCTUS2015016461Pending
Periodic Permanent Magnet Focused KlystronApplication 61814401Pending

JOVE SCIENCES, INC.Similar federal contract value in Defense · $9.2M in contracts
BAYSPEC, INC.Similar federal contract value in Defense · $9.2M in contracts
Battle Sight Technologies LLCSimilar federal contract value in Defense · $9.1M in contracts
FATHOM5 CORPSimilar federal contract value in Defense · $9M in contracts
RTSYNC CORPSimilar federal contract value in Defense · $9M in contracts
LYTEN, INC.Similar federal contract value in Defense · $9M 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.