Promaxo, Inc.
Point-of-care MRI platform with live guidance, AI targeting, and robotic precision for prostate intervention
- Sector
- Medtech
- Headquarters
- OAKLAND, CA
- Founded
- 2016
- Latest Form D
- $31.6M, Apr 2024
- Total capital
- $50.5M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $50.5M
- 4 Form D · last Apr 2024
- 31 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 15
- 25 pending · first 2020
- Rank in peer group#148 of 1112
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 4th filing$31.6M
- Private capital raisedForm D · SEC · 3rd filing$4.2M
- Private capital raisedForm D · SEC · 2nd filing$11M
- Private capital raisedForm D · SEC · 1st filing$3.8M
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 1112 peers
Line = medianMedtech · Device
- Granted patents#148 · top 13%
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- Amit VohraExecutive Officer, DirectorNamed in SEC Form D filings
- Dan McCormickDirectorNamed in SEC Form D filings
- Derek HenneckeDirectorNamed in SEC Form D filings
- Dinesh KumarExecutive OfficerNamed in SEC Form D filings
- Dushyant ChipalkattyDirectorNamed in SEC Form D filings
- Jonathan ChenDirectorNamed in SEC Form D filings
Show all 7 people
- Michael BartholomewExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 15 granted of 40- GrantedMri-guided Robotic Systems And Methods For BiopsyUSPTOUS 12,702,320
- PendingSystems And Methods For Volumetric Acquisition In A Single-sided Mri ScannerUSPTOApplication 19317969
- PendingCROSS-TERM SPATIOTEMPORAL ENCODING (xSPEN) TECHNIQUES FOR SINGLE-SIDED MRIUSPTOApplication 19261467
Show all 40 patent records
- Mri-guided Robotic Systems And Methods For BiopsyAug 11, 2026 · US 12,702,320Granted
- Systems And Methods For Volumetric Acquisition In A Single-sided Mri ScannerJul 30, 2026 · Application 19317969Pending
- CROSS-TERM SPATIOTEMPORAL ENCODING (xSPEN) TECHNIQUES FOR SINGLE-SIDED MRIJun 4, 2026 · Application 19261467Pending
- Single-sided Fast Mri Gradient Field Coils And Applications ThereofMay 26, 2026 · US 12,638,528Granted
- Systems And Methods For Ultralow Field Relaxation DispersionMay 14, 2026 · Application 19244721Pending
- Pulse Sequences And Frequency Sweep Pulses For Single-sided Magnetic Resonance ImagingApr 9, 2026 · Application 19210761Pending
- Pseudo-birdcage Coil With Variable Tuning And Applications ThereofApr 9, 2026 · Application 19216159Pending
- Low-field Mri Texture AnalysisDec 18, 2025 · Application 19033813Pending
- Phase Encoding With Frequency Sweep Pulses For Magnetic Resonance Imaging In Inhomogeneous Magnetic FieldsNov 13, 2025 · Application 18986248Pending
- Systems And Methods For Volumetric Acquisition In A Single-sided Mri ScannerSep 30, 2025 · US 12,429,539Granted
- Pseudo-birdcage Coil With Variable Tuning And Applications ThereofJun 24, 2025 · US 12,339,337Granted
- Pulse Sequences And Frequency Sweep Pulses For Single-sided Magnetic Resonance ImagingJun 17, 2025 · US 12,332,331Granted
- Relaxation-based Magnetic Resonance Thermometry With A Low-field Single-sided Mri ScannerJun 12, 2025 · Application 18762386Pending
- Biopsy Devices And MethodsMay 1, 2025 · Application 19009518Pending
- Phase Encoding With Frequency Sweep Pulses For Magnetic Resonance Imaging In Inhomogeneous Magnetic FieldsJan 28, 2025 · US 12,210,079Granted
- Systems And Methods For Image Reconstruction In Magnetic Resonance ImagingJan 23, 2025 · Application 18429846Pending
- Systems And Methods For Ultralow Field Relaxation DispersionJan 16, 2025 · Application 18424500Pending
- Systems And Methods For Image Reconstruction In Magnetic Resonance ImagingApr 9, 2024 · US 11,953,573Granted
- Systems And Methods For Ultralow Field Relaxation DispersionMar 5, 2024 · US 11,921,178Granted
- Systems And Methods For Volumetric Acquisition In A Single-sided Mri ScannerJan 30, 2024 · US 11,885,858Granted
- Pseudo-birdcage Coil With Variable Tuning And Applications ThereofMay 23, 2023 · US 11,656,303Granted
- Radio Frequency Reception Coil Networks For Single-sided Magnetic Resonance ImagingApr 13, 2023 · Application 17904501Pending
- Single-sided Fast Mri Gradient Field Coils And Applications ThereofMar 21, 2023 · US 11,609,291Granted
- Analytical DeviceMar 14, 2023 · US D,980,981Granted
- Systems And Methods For Volumetric Acquisition In A Single-sided Mri ScannerNov 22, 2022 · US 11,506,737Granted
- Interventional Localization Guide And Method For Mri Guided Pelvic InterventionsOct 27, 2022 · Application 17660709Pending
- Systems And Methods For Performing Magnetic Resonance ImagingApr 14, 2022 · Application 17310696Pending
- Analytical DeviceJan 25, 2022 · US D,942,012Granted
- Analytical DeviceSep 8, 2020 · US D,895,803Granted
- Guided Robotic System, Methods And Apparatus For BiopsyApplication 62965070Pending
- Systems And Methods For Image Reconstruction In Magnetic Resonance ImagingApplication 62866533Pending
- Systems And Methods For Volumetric Acquisition In A Single-sided Mri ScannerApplication 62823511Pending
- Single-sided Fast Mri Gradient Field Coils And Applications ThereofApplication 62823521Pending
- Pseudo-birdcage Coil With Variable Tuning And Applications ThereofApplication 62809503Pending
- Systems And Methods For Pelvic Floor Disorder Screening And DiagnosisApplication PCTUS2025052954Pending
- Systems And Methods For Ultralow Field Relaxation DispersionApplication 62806664Pending
- Systems And Methods For Pelvic Floor Disorder Screening And DiagnosisApplication 63712959Pending
- Mri-compatible Biopsy RobotApplication PCTUS2024026646Pending
- Robot In Mri-guided InterventionsApplication PCTUS2024026640Pending
- Cross-term Spatiotemporal Encoding (xspen) Techniques For Single-sided MriApplication PCTUS2024010647Pending
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- DECISIV INTERVENTIONS, LLCSimilar federal contract value in Medtech · null in contracts
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- NUMENTUS TECHNOLOGIES INCSimilar federal contract value in Medtech · null in contracts
Regulatory activity · Medtech
- New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
- Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
- Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
- Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
- Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
- Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug 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 . SBIR and STTR awards through .