MAKAI OCEAN ENGINEERING INC

Kailua, HI · Software · Still private

MakaiDTG, automated software for generating optimal cable routes, specifying substation interconnections, and modeling grid costs for renewable energy integration

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Updated Oct 23, 2026 · makai.com

Sector: Software
Headquarters: Kailua, HI
Total capital: $17.7M

Federal grants: $17.7M; 26 awards · 2017–2025; Sector median 0 awards
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 3; 6 pending · first 2022

Capital timeline

Latest events

Dec 2025Federal grantDefense · Phase II · Research And Development$1.0M
Sep 2025Federal grantDefense · Phase II · BASE$698K
Jun 2025Federal grantDefense · Phase I · SBIR Phase I$140K
May 2025Federal grantDefense · Phase II · Small Business Innovation Research (SBIR) Phase II, Topic A234-P010, Xtechsbir Pacific Finalist Open Topic Competition (phase II) (SBIR Phi Contract# W51701-24-C-0094)$1.9M
Oct 2024Federal grantDefense · Phase I · Kick-off Briefing Materials & Fwa Cert.$140K
Jun 2024Federal grantDefense · Phase I · Kick-off Briefing Materials & Fwa Cert.$240K
Apr 2024Federal grantDefense · Phase I · "makai Ocean Engineering" SBIR Phase I Topic A234-P010, Resilient And Rapidly Restorable Cabled Communications (R3C2)$250K

Show 19 earlier federal awards

Mar 2024Federal grantDefense · Phase I · SBIR Phase I Topic N233-118$140K
Mar 2024Federal grantDefense · Phase I · Kickoff Briefing$175K
Aug 2023Federal grantEnergy · Phase II · Automated Grid Interconnection Planning and Cost Estimation Tool$1.1M
Sep 2022Federal grantDefense · Phase II · Extended Range Environmental Interrogator (ExREI) for Accurate Sound Velocity Profiling$1.7M
Jun 2022Federal grantEnergy · Phase I · Automated Wind Transmission Routing and Costing Tool$200K
Mar 2022Federal grantDefense · Phase II · Adaptive Sensor Fusion for Realistic and Autonomous Seabed Models$1.5M
Dec 2021Federal grantDefense · Phase II · Undersea Sensor Performance Modeling & Cost Tool$1.1M
Oct 2021Federal grantDefense · Phase I · External Payload Release System (ExPRS)$140K
Sep 2021Federal grantDefense · Phase I · ExREI (Extended Range Environmental Interrogator) for Accurate Sound Velocity Profiling$225K
Jun 2021Federal grantEnergy · Phase I · Compact Heat Exchanger for the Stringent Operating Conditions of Gen3 CSP Systems$199K
May 2021Federal grantDefense · Phase II · Auto Cabling and Connection System$1.6M
Jan 2021Federal grantDefense · Phase I · Adaptive Sensor Fusion for Realistic and Autonomous Seabed Models$225K
Sep 2020Federal grantDefense · Phase II · Effective Heat Exchanger Performance$772K
Aug 2019Federal grantDefense · Phase II · Temperature Sensing Submarine ISR Buoy / Surface Ship Sensor Tow Cable$1.0M
Jun 2019Federal grantDefense · Phase I · Fat Line Array Stabilization System (FAST)$140K
Jun 2019Federal grantDefense · Phase I · Effective Heat Exchanger Performance$108K
Mar 2019Federal grantDefense · Phase II · Methods for Measuring an Acoustic Array’s Straightness and for Autonomous Mechanical Straightening to Avoid Contact with Sea Bottom Under All Operatio$500K
Mar 2019Federal grantDefense · Phase I · Methane Harvesting for Seafloor Generation$225K
Apr 2017Federal grantDefense · Phase II · Auto-Docking Autonomous Burial Vehicle (AD-ABV)$2.2M

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.

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 · 3 granted of 9

Jun 12, 2025PendingSubsea Anchorage Installation SystemUSPTOApplication 19059615
Mar 25, 2025GrantedSubsea Anchorage Installation SystemUSPTOUS 12,258,721
Aug 1, 2023GrantedSubsea Anchorage Installation SystemUSPTOUS 11,713,552

Show all 9 patent records

Subsea Anchorage Installation SystemJun 12, 2025 · Application 19059615Pending
Subsea Anchorage Installation SystemMar 25, 2025 · US 12,258,721Granted
Subsea Anchorage Installation SystemAug 1, 2023 · US 11,713,552Granted
Ultra-Compact Thin Foil Heat-ExchangerJun 14, 2022 · US 11,359,868Granted
Laser Welded Foil-fin Heat-ExchangerSep 15, 2016 · Application 15066046Pending
System For Relieving Stress At Pipe Connections Using External SleeveFeb 6, 2014 · Application 14046744Pending
Subsea Anchorage Installation SystemApplication PCTUS2022020232Pending
Laser Welded Foil-fin Heat-exchangerApplication PCTUS2016022048Pending
Bonded Foil-fin Heat-ExchangerApplication 62132584Pending

BLUEYEQ LLCShares a founder: Kevin Shimotsu

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.