Patents

  1. A. Spanias, H. Song, J. Thiagarajan, and D. Rajan, “Systems and methods for time series analysis using attention models,” U.S. Patent 20230342611 A1, Issued May 2025.
  2. J. Fan, G. Muniraju, S. Rao, A. Spanias, and C. Tepedelenlioglu, “Systems and Methods for Fault Classification in Photovoltaic Arrays using Graph Signal Processing,” U.S. Patent 12,244,266, Issued March 2025.
  3. S. Jayasuriya, O. Iqbal, and A. Spanias, “Tracking-based motion deblurring via coded exposure – Part B,” U.S. Patent 12437419-B2, Issued Oct. 2024.
  4. S. Katoch, V. Narayanaswamy, A. Spanias, and J. Thiagarajan, “Systems and Methods Audio Source Separation via Multi-Scale Feature Learning,” U.S. Patent 11,929,086, Issued 2024.
  5. O. Iqbal, A. Spanias, and S. Jayasuriya, “Tracking-Based Motion Deblurring via Coded Exposure,” U.S. Patent 11,880,984, Grant on 01/23/2024.
  6. R. Anirudh, V. S. Narayanaswamy, A. Spanias, and J. Thiagarajan, “Systems and Methods for Unsupervised Audio Source Separation Using Generative Priors,” U.S. Patent 11,783,847, Issued Oct. 2023.
  7. U. Shanthamallu, A. Spanias, and J. Thiagarajan, “Systems and Methods Graph Attention Models for Multi-layered Embeddings and Deep Learning Applications,” U.S. Patent 11,769,055, Granted Sept. 2023.
  8. G. Muniraju, C. Tepedelenlioglu, and A. Spanias, “Systems and Methods for Consensus-Based Distributed Graph Spectral Radius Distribution,” U.S. Patent 11,765,609, Granted 09/19/2023.
  9. H. Song, A. Spanias, J. Thiagarajan, and D. Rajan, “Methods for Time Series Analysis Using Attention Models,” U.S. Patent 11,699,079, Issued July 2023.
  10. S. Katoch, P. Turaga, A. Spanias, and C. Tepedelenlioglu, “Systems and methods for skyline prediction for cyber-physical photovoltaic array control – Part B,” U.S. Patent 11,694,431 Part B, Issued July 2023.
  11. S. Rao, A. Spanias, and C. Tepedelenlioglu, “Solar Array Fault Detection, Classification and Localization Using Deep Neural Nets,” U.S. Patent 11,621,668, Issued April 2023.
  12. V. Narayanaswamy, A. Spanias, R. Ayyanar, and C. Tepedelenlioglu, “Systems and Methods For Connection Topology Optimization In Photovoltaic Arrays Using Neural Networks,” U.S. Patent 11,616,471, Issued March 2023.
  13. H. Song, A. Spanias, and J. Thiagarajan, “Systems and Methods for Customizing Kernel Machines with Deep Neural Networks,” U.S. Patent 11,586,905, Issued February 2023.
  14. U. Shanthamallu, A. Spanias, and J. Thiagarajan, “Graph Attention Models for Multi-layered Embeddings and Deep Learning Applications,” U.S. Patent 11,526,765, Issued Dec. 2022.
  15. S. Jayasuriya, P. Turaga, A. Spanias, S. Katoch, and D. Mohan, “Adaptive Video Subsampling For Energy Efficient Object Detection,” U.S. Patent 11,481,881, Issued 2022.
  16. G. Muniraju, A. Spanias, and C. Tepedelenlioglu, “Analysis and Design of Robust Max Consensus for Wireless Sensor Networks,” U.S. Patent 11,490,286, Issued 2022.
  17. H. Song, V. Berisha, A. Spanias, M. Willi, and J. Thiagarajan, “Systems and methods for a triplet network with attention for speaker diarization,” U.S. Patent 11,152,013, Issued Oct. 2021.
  18. S. Katoch, P. Turaga, A. Spanias, and C. Tepedelenlioglu, “Systems and methods for skyline prediction for cyber-physical photovoltaic array control,” U.S. Patent 11,132,551, Issued Sept. 2021.
  19. S. Zhang, C. Tepedelenlioglu, and A. Spanias, “Distributed Network Center Area Estimation,” U.S. Patent 10,440,553, Issued Oct. 2019.
  20. A. Spanias, H. Braun, P. Turaga, and C. Tepedelenlioglu, “Methods, Apparatuses, and Systems for Reconstruction-Free Image Recognition from Compressive Sensors,” U.S. Patent 10,387,751, Issued August 2019.
  21. S. Zhang, M. Banavar, C. Tepedelenlioglu, and A. Spanias, “Distributed location detection in wireless sensor networks,” U.S. Patent 10,028,085, Issued July 2018.
  22. A. Spanias and G. Kalyanasundaram, “Fast Computation of Excitation Pattern, Auditory Pattern and Loudness,” U.S. Patent 10013992B2, Issued July 2018.
  23. J. Jayaraman, K. Ramamurthy, and P. Sattigeri, “Recovering Degraded Images using Ensemble Sparse Models,” U.S. Patent 9,875,428, Issued January 2018.
  24. J. Jayaraman, K. Ramamurthy, and D. Frakes, “An algorithm to estimate glomerular number from kidney magnetic resonance images,” U.S. Patent 9,779,497, Issued Oct. 2017.
  25. J. Jayaraman, K. Ramamurthy, and D. Frakes, “Kernel Sparse Models for automated tumor segmentation,” U.S. Patent 9,710,916, Patent Issued July 18, 2017.
  26. Santucci, M. Banavar, C. Tepedelenlioglu, and A. Spanias, “Energy-Efficient Distributed Estimation using Nonlinear Amplifiers,” U.S. Patent 9,461,676, Patent Issued Oct. 4, 2016.
  27. X. Zhang, M. Banavar, and C. Tepedelenlioglu, “Maximum Likelihood Localization in the Presence of Channel Uncertainties,” U.S. Patent 9,507,011, Patent Issued Nov. 29, 2016.
  28. K. V. Berisha, “Method and system for determining an auditory pattern of an audio segment,” U.S. Patent 9,055,374, Issued June 2015.
  29. V. Berisha and A. Spanias, “Split-Band Speech Compression Based On Loudness Estimation,” U.S. Patent 8,392,198, Issued 2012.

Official Full Patent List from USPTO

Provisional Patents

  1. N. Babar, A. Spanias, G. Uehara, and C. Wolf, “Quantum Pre-processing of Magnetic Resonance Images for Use in Classification,” U.S. Provisional Patent Application M26-096P, Filed Aug. 26, 2025.
  2. N. Babar, A. Spanias, and G. Uehara, “Hybrid Quantum Neural Network and Imaging for Brain Tumor Classification,” U.S. Provisional Patent Application M26-040P, Filed Jul. 14, 2025.
  3. N. Goyal, A. Spanias, and G. Uehara, “Quantum-Enhanced Cancer Detection for Histopathologic Images,” U.S. Provisional Patent Application M26-041P, Filed Jul. 14, 2025.
  4. A. Spanias, A. Sharma, and G. Uehara, “Systems and Methods for Quantum Linear Prediction,” U.S. Patent Application US 2025/0284990 A1, Filed September 2025.
  5. A. Spanias, A. Sharma, L. Miller, and G. Uehara, “Signal Analysis-Synthesis And Compression Using The Quantum Fourier Transform,” U.S. Patent Application US-20250148342-A1, Filed May 2025.
  6. M. Malu, A. Spanias, G. Pedrielli, and G. Dasarathy, “Class GP: Gaussian Process Modeling for Heterogeneous Functions,” U.S. Provisional Patent Application, Filed March 2025.
  7. A. Spanias and G. Uehara, “Photovoltaic Fault Classification by Leveraging Quantum Entanglement and Correlation,” U.S. Provisional Patent Application M25-272P, Filed Mar. 18, 2025.
  8. A. Spanias, A. Sharma, L. Miller, and G. Uehara, “Systems and Methods for Quantum Autocorrelation Computation Using The QFT,” U.S. Provisional Patent Application US 63/595,959, Filed June 2023.
  9. K. Jaskie, L. Miller, S. Naik, A. Spanias, and G. Uehara, “Quantum Positive Unlabeled Learning Algorithms with Applications to Energy,” U.S. Provisional Patent Application M24-297P, Filed May 15, 2024.
  10. S. Katoch, D. Ramirez, A. Spanias, C. Tepedelenlioglu, and P. Turaga, “Systems and Methods for Global Horizontal Irradiance Forecasting for Photovoltaic Systems,” U.S. Provisional Patent Application M24-269P, Filed Apr. 30, 2024.
  11. L. Miller, G. Uehara, and A. Spanias, “Systems and Methods for Quantum Image Fusion Methods for Remote Sensing,” U.S. Provisional Patent Application US 63/553,023, Filed 2024.
  12. A. Spanias, S. Naik, L. Miller, K. Jaskie, and G. Uehara, “Systems And Methods For Quantum Positive Unlabeled Learning Algorithms With Applications To Energy,” U.S. Provisional Patent Application 63/691,125.
  13. K. Jaskie, A. Spanias, J. Marvin, and V. Narayanaswamy, “Systems And Methods For Positive Unlabeled Learning Using An Adaptive Asymmetric Loss Function,” U.S. Provisional Patent Application Serial No. 63/480,812, Filed Jan. 2023.
  14. A. Spanias, A. Sharma, L. Miller, and G. Uehara, “Signal Analysis-Synthesis And Compression Using The Quantum Fourier Transform,” U.S. Provisional Patent Application M23-161P, Filed February 2023.
  15. M. Esposito, V. S. Narayanaswamy, S. Rao, and A. Spanias, “Systems and Methods for a Deep Neural Network with Combined Cross-Entropy and Focal Loss for COVID-19 Audio Detection in Audio Samples,” U.S. Provisional Patent Application 63/232,862, Filed Aug. 13, 2021.
  16. R. Anirudh, V. S. Narayanaswamy, A. Spanias, and J. Thiagarajan, “Systems and Methods for Unsupervised Audio Source Separation Using Generative Priors,” U.S. Provisional Patent Application M21-063P, No. 63/131,408.
  17. K. Jaskie, J. Martin, and A. Spanias, “Systems and Methods for Photovoltaic Fault Detection using a Feedback-Enhanced Positive Unlabeled Learning Method,” U.S. Provisional Patent Application M21-062, No. 63/109,189.
  18. O. Iqbal, S. Jayasuriya, and A. Spanias, “Coupled Tracking and Motion Deblurring via Coded Exposure: Algorithm and FPGA Architecture,” U.S. Provisional Patent Application M20-255P, No. 63/039,224, Filed Jun. 2020.
  19. G. Muniraju, S. Rao, A. Spanias, and C. Tepedelenlioglu, “Dropout and Pruned Neural Networks for Fault Classification in Photovoltaic Arrays,” U.S. Provisional Patent Application M20-254P, No. 63/039,012, Filed Jun. 15, 2020.
  20. G. Muniraju, A. Spanias, and C. Tepedelenlioglu, “Systems and Methods for Consensus-Based Distributed Spectral Radius Distribution,” U.S. Provisional Patent Application M20-218P, No. 63/038,430, Filed Jun. 12, 2020.
  21. J. Fan, G. Muniraju, S. Rao, A. Spanias, and C. Tepedelenlioglu, “Systems and Methods for Fault Classification in Photovoltaic Arrays using Graph Signal Processing,” U.S. Provisional Patent Application M20-210P, No. 63/023,620, Filed May 12, 2020.
  22. S. Jayasuriya, P. Turaga, A. Spanias, S. Katoch, and D. Mohan, “Adaptive Video Subsampling For Energy Efficient Object Detection,” U.S. Provisional Patent Application M19-259P, No. 62/872,902, Filed 2019.
  23. V. S. Narayanaswamy, R. Ayyanar, A. Spanias, and C. Tepedelenlioglu, “Systems And Methods For Connection Topology Optimization In Photovoltaic Arrays Using Neural Networks,” U.S. Provisional Patent Application M19-149P, No. 62/808,677, Filed 2019.
  24. S. Rao, A. Spanias, and C. Tepedelenlioglu, “Solar Array Fault Detection, Classification and Localization Using Deep Neural Nets,” U.S. Provisional Patent Application M19-102P, No. 62/843,821, Filed Nov. 8, 2018.
  25. H. Song, V. Berisha, J. Jayaraman, A. Spanias, and M. Willi, “Triplet Network with Attention for Speaker Diarization,” U.S. Provisional Patent Application M18-209P, No. 62/713,727, Filed 2018.
  26. S. Katoch, A. Spanias, C. Tepedelenlioglu, and P. Turaga, “System and Methods for Cyber-Physical Photovoltaic Array Monitoring and Control,” U.S. Provisional Patent Application M18-165P, No. 62/685,807, Filed 2018.
  27. H. Song, A. Spanias, and J. Thiagarajan, “Systems and Methods for Customizing Kernel Machines with Deep Neural Networks,” U.S. Provisional Patent Application M17-265P, No. 62/571,145.

Pre-Disclosures to Skysong Innovation (formerly AzTE)

  1. M8-051, H. Krishnamoorthi+, V. Berisha+ and A. Spanias, “Fast loudness estimation for  audio” Dec. 2007 [Filed with Arizona Technology Enterprises], June 2008.
  2. M13-147P J. Jayaraman, K. Ramamurthy, A. Spanias, Improved Mixing Matrix Estimation for Blind Source Separation using Discriminative Clustering, Predisclosure AzTE, March 2013.
  3. M16-089P Android Acoustic Reflection Mapping, Paul Curtis (REU Student). M. Banavar, AzTE, 2015.
  4. M18-052P Attend and Diagnose: Clinical Time Series Analysis using Attention Models, D. Rajan, H. Song, J. Jayaraman, A. Spanias, 2018.
  5. M19-078P. Graph Attention Models for Multi-layered Embeddings and Deep Learning Applications, U. Shanthamallu, A. Spanias, J. Thiagarajan, Oct 2018.
  6. M19-147P, Adaptive Energy Load Segmentation Algorithm using Machine Learning and Signal Processing, K. Jaskie, J. Marvin, A. Spanias, Dec 2018.
  7. M20-068P, “Analysis and Design of Robust Max Consensus for Wireless Sensor Networks” G. Muniraju, A. Spanias, C. Tepedelenlioglu, on Sept. 2019.