SigmaSense, LLC
SigmaEIS onboard electrochemical impedance spectroscopy system for real-time battery diagnostics and monitoring
- Sector
- Energy
- Headquarters
- AUSTIN, TX
- Founded
- 2016
- Latest Form D
- $9.3M, May 2024
- Total capital
- $111M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $111M
- 10 Form D · last May 2024
- 30 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 20
- 20 pending · first 2025
- Rank in peer group#1 of 151
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 10th filing$9.3M
- Private capital raisedForm D · SEC · 9th filing$37.9M
- Private capital raisedForm D · SEC · 8th filing$24.1M
- Private capital raisedForm D · SEC · 7th filing$8.3M
- Private capital raisedForm D · SEC · 6th filing$22.3M
- Private capital raisedForm D · SEC · 5th filing$2.9M
- Private capital raisedForm D · SEC · 4th filing$3.5M
- Private capital raisedForm D · SEC · 3rd filing$1.5M
- Private capital raisedForm D · SEC · 2nd filing$1M
- Private capital raisedForm D · SEC · 1st filing$250K
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 151 peers
Line = medianEnergy · Device
- Granted patents#1 · top 1%
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- Aurelio R. FernandezDirectorNamed in SEC Form D filings
- Dan R. Van OstrandExecutive OfficerNamed in SEC Form D filings
- David R. FrenchDirectorNamed in SEC Form D filings
- Edward R. PrinceExecutive OfficerNamed in SEC Form D filings
- John DohertyExecutive Officer, DirectorNamed in SEC Form D filings
- John TeegenDirectorNamed in SEC Form D filings
Show all 12 people
- Liting Troy CaiDirectorNamed in SEC Form D filings
- Michael GrayDirectorNamed in SEC Form D filings
- Patrick Troy GrayExecutive Officer, DirectorNamed in SEC Form D filings
- Richard SegerExecutive Officer, DirectorNamed in SEC Form D filings
- Sean PitonakDirectorNamed in SEC Form D filings
- Stephen SedakerExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 20 granted of 40- GrantedData Sensing Circuit With Parallel Digital Filter ProcessingUSPTOUS 12,712,558
- PendingAnalog Front End Channel Driver CircuitUSPTOApplication 19443116
- PendingTouchscreen data reception from user device via userUSPTOApplication 19417779
Show all 40 patent records
- Data Sensing Circuit With Parallel Digital Filter ProcessingAug 18, 2026 · US 12,712,558Granted
- Analog Front End Channel Driver CircuitMay 14, 2026 · Application 19443116Pending
- Touchscreen data reception from user device via userApr 9, 2026 · Application 19417779Pending
- Low Voltage Drive Circuit For Transceiving Analog Data Via A Bus And Methods For Use TherewithMar 26, 2026 · Application 19177806Pending
- Personal Monitoring System For Monitoring Body Conditions Using E-field CommunicationsFeb 19, 2026 · Application 19362763Pending
- Touch Sensor Noise Prediction And CancellationFeb 3, 2026 · US 12,541,267Granted
- Analog Front End Channel Driver CircuitJan 13, 2026 · US 12,524,099Granted
- Drive-sense circuit (DSC) serviced electrocardiogram (ECG) leadsJan 1, 2026 · Application 19319203Pending
- Touchscreen data reception from user device via userDec 16, 2025 · US 12,498,818Granted
- Enhanced Capacitance Touch Screen Display And Methods For Use TherewithNov 25, 2025 · US 12,481,400Granted
- Personal Monitoring System For Monitoring Body Conditions Using E-field CommunicationsOct 21, 2025 · US 12,446,798Granted
- Drive Sense Circuit With Transient SuppressionOct 21, 2025 · US 12,449,462Granted
- Panel Detection Discrimination for Extended Sensor PanelsOct 14, 2025 · US 12,443,303Granted
- Fingerprint Imaging Device Incorporating Electrodes And Drive-sense CircuitrySep 18, 2025 · Application 19224993Pending
- Single User or Few Users Identification and Blocking Operable Touch Sensor DeviceSep 11, 2025 · Application 19173952Pending
- Passive Device With Compressible Pressure Assembly For Z-direction Capacitance DetectionSep 9, 2025 · US 12,411,562Granted
- Drive-sense circuit (DSC) serviced electrocardiogram (ECG) leadsSep 9, 2025 · US 12,409,326Granted
- Wireless Power Transfer and CommunicationsSep 2, 2025 · US 12,407,196Granted
- No-Ground Plane Differential Touch Screen DisplaySep 2, 2025 · US 12,405,696Granted
- Companding Analog Current to Digital ConverterAug 28, 2025 · Application 19208706Pending
- Determining The Effects Of Different Electrical Characteristics Of A Drive-sense Circuit On A LoadAug 21, 2025 · Application 19200795Pending
- Prime mover and generator regulation based on output signal sensingAug 7, 2025 · Application 19080203Pending
- Electronic Pen Generation Of Tilt Orientation Data Based On Capacitance Difference DetectionJul 31, 2025 · Application 19079856Pending
- System For Detecting And Validating Multiuser Interaction With Interface Elements Via Signaling Through Users BodiesJul 29, 2025 · US 12,373,070Granted
- Activation Of Different Subsets Of Drive-sense Circuits In Accordance With Different Modes Of Operation Of A Touch-based DeviceJul 15, 2025 · US 12,360,628Granted
- Touch Sensor Device With Differentiated Priority Sensing RegionJul 15, 2025 · US 12,360,630Granted
- System For Detecting And Validating Multiuser Interaction With Interface Elements Via Perimeter SensorsJul 15, 2025 · US 12,360,641Granted
- Organic And/or Inorganic Material Test System Using Differential Drive-sense CircuitsJul 8, 2025 · US 12,352,713Granted
- 3D Data Imaging Using Drive Sense CircuitsJun 26, 2025 · Application 19079028Pending
- Current reference operative drive-sense circuit (DSC) with voltage amplifierJun 12, 2025 · Application 19040428Pending
- Device Having A Rollable Touch Screen Display With Multiple Touch AreasJun 5, 2025 · Application 19045301Pending
- Touch Sensitive Panel Supporting Capacitively Coupled Access CodesJun 5, 2025 · Application 19048210Pending
- Fingerprint Imaging Device Incorporating Electrodes And Drive-sense CircuitryJun 3, 2025 · US 12,321,560Granted
- Drive-sense Touch Screen PenMay 29, 2025 · Application 19037610Pending
- Battery Impedance Tracking During ChargingMay 29, 2025 · Application 19039431Pending
- Companding Analog Current to Digital ConverterMay 20, 2025 · US 12,308,851Granted
- Wheatstone Bridge High Accuracy Impedance Sensing Circuit with Increased Signal to Noise Ratio (SNR)May 15, 2025 · Application 19019895Pending
- Determining The Effects Of Different Electrical Characteristics Of A Drive-sense Circuit On A LoadMay 13, 2025 · US 12,298,792Granted
- Proximity-based Touchless Display And Methods For Use TherewithMay 8, 2025 · Application 19009459Pending
- Shoe Force Detection Units Of A Foot Force Detection SystemMay 8, 2025 · Application 19016784Pending
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Regulatory activity · Energy
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
- List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16Nuclear Regulatory Commission
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
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 .