Patents

My patent work covers efficient artificial reality systems, on-device AI, image sensors, sparse image processing, heterogeneous memory, network partitioning, and personalized online learning. Patents are listed separately from research papers so the publications page remains focused on papers.

2026

Network partitioning for sensor-based systems. Z. Li, X. Dong, B. De Salvo, X. Liu. US Patent 12,602,571. USPTO

2025

Personalized online learning for artificial reality applications. S. S. Sarwar, S. Manan, V. K. Parmar, Z. Li, B. De Salvo, H. H. S. Lee. US Patent 12,475,696.
Region-of-interest imaging and identifying eye features. Q. Chao, R. D. Cavin, G. Lestoquoy, M. Daraeihajitooei, X. Liu, R. Capoccia, and others including Z. Li. US Patent App. 18/909,167.

2024

Event sensing and tracking. Q. Chao, R. D. Cavin, G. Lestoquoy, M. Daraeihajitooei, X. Liu, R. Capoccia, and others including Z. Li. US Patent 12,147,596.
Heterogeneous memory system. S. S. Sarwar, Z. Li, X. Liu, B. De Salvo. US Patent 11,935,575.

2023

Systems and methods for hand pose estimation from video. C. Wan, R. Cabezas, X. Liu, Z. Li. US Patent 11,823,498.
Improved architecture for coupling digital pixel sensors and computing components. Z. Li, B. De Salvo, X. Liu, L. D. Bainbridge, A. S. Berkovich, S. S. Sarwar, and others. US Patent App. 17/729,951.
Image sensor having on-chip compute circuit. X. Liu, B. De Salvo, H. Reyserhove, Z. Li, A. I. Khan, S. S. Sarwar. US Patent 11,568,609.

2022

Multi-layer stacked camera-image-sensor circuit. Z. Li, B. De Salvo, X. Liu, L. D. Bainbridge, A. S. Berkovich, S. S. Sarwar, and others. US Patent App. 17/728,880.
Sparse image processing. Z. Li, X. Liu, Y. Gan. US Patent App. 17/833,402.

2021

Smart sensor. X. Liu, B. De Salvo, H. Reyserhove, Z. Li, A. I. Khan, S. S. Sarwar. US Patent App. 17/313,884.