Achievements & IP

Research Contributions, Innovation, and Mentorship

Selected Achievements & Intellectual Property

Nanoscale Computing book cover

Book Publication

Nanoscale Computing: The Journey Beyond CMOS with Nanomagnetic Logic

Wiley-IEEE Press, 2024 | ISBN: 978-1394263554

Chapter author and contributor to this comprehensive work on beyond-CMOS computing paradigms.

View Book

Patents Portfolio

US Patents / Indian Patents Filed & Granted: 12 Patents Granted (4 US + 8 Indian) as on June 2026

US Patents

  1. CER-0151 s/n 17/006,818 filed 8/29/2020 Assignee: Ceremorphic, Inc., San Jose. Publication date: 2022/6/7; US Patent No: 11355517. Status: Granted and Active.
  2. CER-0152 s/n 17/006,819 filed 8/29/2020 Assignee: Redpine Signals Inc., San Jose. Publication date: 2021/8/24; US Patent No: 11101800. Status: Granted and Active.
  3. CER-0200 s/n 17/114,498 filed 12/8/2020 Assignee: Redpine Signals Inc., San Jose. Publication date: 2023/2/5; US Patent No: 11641783. Status: Granted and Active.
  4. CER-0250 s/n 17/234,814 filed 4/20/2021 Assignee: Ceremorphic Inc., San Jose. Publication date: 2022/10/20; US Patent No: 20220336729. Status: Granted and Active.
  5. CER-0240 s/n 17/234,797 filed 4/19/2021 Assignee: Redpine Signals Inc., San Jose. Publication date: 2022/6/9; Pub No: 20220181545. Status: Pre Grant Published.
  6. CER-0280 s/n 63/173,397 filed 4/10/2021 Assignee: Redpine Signals Inc., San Jose. Publication date: 2022/10/20; Pub No: 20220334797. Status: Pre Grant Published.
  7. CER-0360 s/n 63/173,412 filed 4/10/2021 Assignee: Redpine Signals Inc., San Jose.

Indian Patents Filed & Granted

  1. System and Method for Skyrmion based 3D Low Complex Runtime Reconfigurable Architecture Design Methodology of Universal Logic Gate. Application No.202341039644 A. Filing: 09/06/2023. Publication: 18/08/2023. Indian Patent Granted: 25/09/2024. Patent No. 551012.
  2. System and Method for Graphene based Area Efficient Power Planning Nanomagnetic Logic Architecture Design and Implementation. Application No.202341039661 A. Filing: 09/06/2023. Publication: 18/08/2023. Indian Patent Granted: 09/10/2024. Patent No. 549965.
  3. System and Method for the Energy Efficient Nano Magnetic Logic based Architecture Design Methodology for the Tsetlin Machine. Application No.202341039699 A. Filing: 09/06/2023. Publication: 18/08/2023. Indian Patent Granted: 10/10/2024. Patent No. 552183.
  4. System and method for a skyrmionic logical adder for electronic circuit. Application No.202441031123 A. Publication Date: 26/04/2024. Indian Patent Granted: 01/08/2025. Patent No. 569524.
  5. A system with nanomagnetic logic-based spiking neural network inference architecture. Application No.202441038984 A. Publication Date: 31/05/2024. Indian Patent Granted: 17/12/2024. Patent No. 556405.
  6. Nanomagnetic logic - Convolution Tsetlin Machine. Indian Patent Application 202441053917 (15/07/2024). Indian Patent Granted: 14/02/2025. Patent No. 560345.
  7. Skyrmion-based 4-bit counter. IN Patent Application 202441071776 (23/09/2024). Status: Filed.
  8. Skyrmion based Tsetlin Learning Automata. IN Patent Application 202441071705 (23/09/2024). Indian Patent Granted: 21/05/2025. Patent No. 566501.
  9. Skyrmion based Tsetlin Machine. IN Patent Application 202441086334 (filed 10/11/2024). Indian Patent Granted: 30/03/2026. Patent No. 585924.
  10. A skymiron and complementary metal oxide semiconductor (CMOS) based hybrid logic locking system. IN Patent application filed on 10/02/2025 (202541010919). Status: Under Hearing.

IIT Delhi Patent Portfolio (Filed via FITT)

  1. System and Method for Unified GPU-Accelerated Quantum Circuit Simulation with Automatic Backend Detection and Cross-Platform Tensor Operations. Application No. 202611020283. Filing: 20/02/2026.
  2. System and Method for GPU-Accelerated Tensor Network Quantum State Evolution with Adaptive Bond Dimension Management and Controlled Truncation Error. Application No. 202611026199. Filing: 05/03/2026.
  3. System and Method for Framework-Agnostic Quantum Neural Network Training with Automatic Parameter Shift Differentiation and Hardware Agnostic Execution Across Deep Learning Ecosystems. Application No. 202611026115. Filing: 05/03/2026.
  4. SMRITI: System and Method for Non-Invasive Cognitive State Estimation Using Behavioral Interaction Patterns in Educational Software. Application No. 202611027434. Filing: 09/03/2026.
  5. VIDYA: System and Method for Real-Time Adaptive Learning Orchestration Using Cognitive State Feedback and Multi-Model AI Architecture. Application No. 202611025361. Filing: 03/03/2026.
  6. IKS_AI: System and Method for Dynamic Integration of Traditional Pedagogical Techniques with Artificial Intelligence Tutoring Based on Learner State. Application No. 202611026747. Filing: 06/03/2026.
  7. System and Method for Automated Optimization of Skyrmion-Based Memory Device Parameters Using AI-Guided Micromagnetic Simulation. Application No. 202611030016. Filing: 12/03/2026.
  8. Multi-Agent Architecture for Automated Spintronic Device Design with Specialized Physics Reasoning, Simulation, and Analysis Agents. Application No. 202611030069. Filing: 12/03/2026.
  9. System and Method for Automated Multi-Objective Selection and Parameterization of Spintronic Neuromorphic Devices Using a Literature-Validated Experimental Parameter Database. Application No. 202611035318. Filing: 24/03/2026.
  10. Method for GPU-Parallel Computation of Oscillatory RKKY Interlayer Exchange Coupling in Synthetic Antiferromagnet Multilayers with Per-Interface Spacer Parameterization and Integrated Physics Modules. Ref No. 1536IN250. Filing: 21/04/2026.
  11. Method and System for SPICE-Compatible Electronic Design Automation Export with Process Design Kit Integration and Layout-vs-Schematic Verification for Spintronic Magnetic Tunnel Junction Devices. Ref No. 1536IN249. Filing: 10/04/2026.
  12. System and Method for Adaptive Quantum Error Mitigation on NISQ Devices Using Zero-Noise Extrapolation, Probabilistic Error Cancellation, and Clifford Data Regression with Automatic Technique Selection. Ref No. 1536IN253. Filing: 28/04/2026.
  13. Hardware-Adaptive Quantum Sensor with Automatic Error Mitigation Selection and Fisher Information Optimization. Ref No. 1536IN254. Filing: 24/04/2026.
  14. System and Method for Large Language Model-Assisted Quantum Circuit Design, Debugging, and Optimization. Ref No. 1536IN252. Filing: 30/04/2026.
  15. Multi-Scale AI-Driven System and Method for Predicting Antibody-Antigen Binding Affinity Changes Upon Mutation Using Multi-Modal Feature Integration, Physics-Constrained Neural Networks, and Confidence-Stratified Prediction Filtering. Ref No. 1536IN258. Filing: 19/05/2026.
  16. Computer-Implemented System and Method for Domain-Specific Fine-Tuning of Teaching Language Models Using Contrastive Instruction Data for Indian Knowledge System Pedagogy. Ref No. 1536IN257. Filing: 11/05/2026.
  17. Computer-Implemented System and Method for Multi-Model Benchmark Evaluation with Cross-Judge Validation for Indian Knowledge System Pedagogy. Ref No. 1536IN256. Filing: 11/05/2026.
  18. Computer-Implemented Container-Based Deployment System for Adaptive Educational AI with Indian Knowledge System Pedagogy, Benchmark-Driven Model Selection, and Multi-Provider Failover. Ref No. 1536IN255. Filing: 11/05/2026.
  19. LFSR-Based Stochastic Neuron: Standalone Digital IP Block. Ref No. 1536IN261. Filing: 13/05/2026.
  20. Memristive Crossbar Peripheral Controller: Standalone Digital IP Block. Ref No. 1536IN262. Filing: 12/05/2026.
  21. Digital STDP Learning Controller: Standalone Synaptic Plasticity IP Block. Ref No. 1536IN263. Filing: 18/05/2026.

📚 Publications

Journal Articles

1. Magnetoresistive Sensors for Emerging Applications: A Comparative Review of Device Performance and Design Trade-Offs
Namita Bindal, Pankaj Pathak, Zainab Aziz, Ravish Kumar Raj, Shailendra Yadav, Sandeep Soni, Seema Dhull, Dhiman Mallick, Yogendra Kumar Mishra, Hari Srikanth, Mahmoud Rasly, Montserrat Rivas, Hadi Heidari, Qiming Shao, Santhosh Sivasubramani, Sonal Shreya
IEEE Electron Devices Reviews | IEEE, 2026 | View Article
2. Eliminating Vendor Lock-In in Quantum Machine Learning via Framework-Agnostic Neural Networks
Poornima Kumaresan, Shwetha Singaravelu, Lakshmi Rajendran, Santhosh Sivasubramani
Frontiers in Quantum Science and Technology — Quantum Computing and Simulation | Accepted for Publication, June 2026 | Manuscript ID: 1862700 | Preprint

Conferences

1. Voltage-Controlled Skyrmions in Synthetic Antiferromagnetic Nanodiscs for Crossbar Memristors
Razan Aboljadayel, Santhosh Sivasubramani, et al.
IEEE International Magnetics Conference (INTERMAG) 2026 | Poster Presentation (Accepted), Digest ID: DU-11
2. Ultra-low-energy skyrmion-based learning automata element for adaptive edge intelligence
Santhosh Sivasubramani, et al.
AI4X-AC 2026 | Oral Presentation (Accepted), Submission #167 | OpenReview
3. Design Methodologies for Skyrmion-Based Circuits and Systems in AI-Driven Applications: Bi-Directional Integration
Santhosh Sivasubramani, et al.
AI4X-AC 2026 | Oral Presentation (Accepted), Submission #168
4. LLM-Powered Autonomous Agents for Spintronic Device Optimization: From Rule-Based to AI-Driven Design
Santhosh Sivasubramani, et al.
AI4X-AC 2026 | Oral Presentation (Accepted), Submission #235 | OpenReview
5. Spin-Orbit Torque Switching of Synthetic Antiferromagnets: Micromagnetic Analysis of RKKY Coupling Effects
Santhosh Sivasubramani
IEEE-NANO 2026 — 26th IEEE International Conference on Nanotechnology, Nanjing, China | Contributed Paper (Accepted), Submission #229
6. Micromagnetic Reservoir Computing in Synthetic Antiferromagnets: Role of Interlayer Exchange Coupling
Santhosh Sivasubramani
IEEE-NANO 2026 — 26th IEEE International Conference on Nanotechnology, Nanjing, China | Contributed Paper (Accepted), Submission #227

arXiv & bioRxiv Preprints

1. Adaptive Tensor Network Simulation via Entropy-Feedback PID Control and GPU-Accelerated SVD
Santhosh Sivasubramani, et al.
arXiv | arXiv:2604.03960
2. GPU-Accelerated Quantum Simulation: Empirical Backend Selection, Gate Fusion, and Adaptive Precision
Santhosh Sivasubramani, et al.
arXiv | arXiv:2604.03816
3. Eliminating Vendor Lock-In in Quantum Machine Learning via Framework-Agnostic Neural Networks
Santhosh Sivasubramani, et al.
arXiv | arXiv:2604.04414
4. Multi-Scale Machine Learning for Antibody-Antigen Binding Affinity Prediction Using Deep Mutational Scanning and Structural Features
Santhosh Sivasubramani
bioRxiv | Manuscript ID: BIORXIV/2026/730151 | Submitted (Under Screening)
5. Design and Development of a Neuromorphic Silicon Suite: PVT Sensing, Stochastic LIF Inference, On-Chip STDP Learning, and Crossbar Programming
Santhosh Sivasubramani
arXiv | arXiv:2606.22635 | DOI: 10.48550/arXiv.2606.22635 | Open-source silicon in SkyWater 130 nm (Tiny Tapeout)
View on arXiv PDF Chip Design Page GitHub Suite
6. An Open-Source LFSR-Based Stochastic Leaky Integrate-and-Fire Neuron in SkyWater 130 nm: Design, Stochastic Characterisation, and Rate Coding
Santhosh Sivasubramani
arXiv | arXiv:2606.23532 | DOI: 10.48550/arXiv.2606.23532 | Open-source silicon in SkyWater 130 nm (Tiny Tapeout)
View on arXiv PDF Chip Design Page GitHub Repo