Patents | Data Science & System Security

The Data Science & System Security researchers have produced patented technology in anomaly detection, causal analysis, system security, time series analysis, graph-based learning, cybersecurity, and AI-generated content detection, among other areas.

DATA SCIENCE & SYSTEM SECURITY

PROJECTS

PEOPLE

PUBLICATIONS

Detecting Artificial Intelligence Generated Text

Patent Number: 12,596,869
Wei Cheng; Xianjun Yang; Haifeng Chen
April 7, 2026

Tensorized Lstm With Adaptive Shared Memory For Learning Trends In Multivariate Time Series

Patent Number: 12,579,436
Wenchao Yu; Jingchao Ni; Haifeng Chen; Dongkuan Xu; Wei Cheng
March 17, 2026

Anomaly Detection Using Metric Time Series And Event Sequences For Medical-decision Making

Patent Number: 12,566,655
Zhengzhang Chen; Yanchi Liu; LuAn Tang; Haifeng Chen; Yuncong Chen
March 3, 2026

Temporal Graph-Based Incident Analysis And Control In Cyber Physical Systems

Patent Number: 12,541,418
Yuncong Chen; Haifeng Chen; Motoyuki Sato; LuAn Tang; Peng Yuan; Zhengzhang Chen
February 3, 2026

Detecting Artificial Intelligence-Generated Computer Code

Patent Number: 12,536,290
Xianjun Yang; Wei Cheng; Haifeng Chen
January 27, 2026

Information-Aware Graph Contrastive Learning

Patent Number: 12,518,163
Dongkuan Xu; Haifeng Chen; Wei Cheng
January 6, 2026

Information-Aware Graph Contrastive Learning

Patent Number: 12,518,162
Wei Cheng; Dongkuan Xu; Haifeng Chen
January 6, 2026

Snr Detection With Few-Shot Trained Models

Patent Number: 12,517,983
Liang Tong; Wei Cheng; Jingchao Ni; Haifeng Chen; Yizhou Zhang
January 6, 2026

Concept-Conditioned and Pretrained Language Models Based On Time Series To Free-Form Text Description Generation

Patent Number: 12,511,476
Wenchao Yu; Haifeng Chen; Yanchi Liu; Yuncong Chen
December 30, 2025

Information-Aware Graph Contrastive Learning

Patent Number: 12,511,540
Haifeng Chen; Dongkuan Xu; Wei Cheng
December 30, 2025

Anomaly Detection On Dynamic Sensor Data

Patent Number: 12,487,879
Yuncong Chen; LuAn Tang; Haifeng Chen; Wei Cheng; Yuji Kobayashi; Zhengzhang Chen
December 2, 2025

Information-Aware Graph Contrastive Learning

Patent Number: 12,488,238
Haifeng Chen; Wei Cheng; Dongkuan Xu
December 2, 2025

Modular Network Based Knowledge Sharing For Multiple Entities

Patent Number: 12,479,421
Zhengzhang Chen; LuAn Tang; Haifeng Chen; Wei Cheng; Yuxiang Ren
November 25, 2025

Superclass-Conditional Gaussian Mixture Model For Personalized Prediction On Dialysis Events

Patent Number: 12,481,881
Jingchao Ni; Wei Cheng; Haifeng Chen
November 25, 2025

Superclass-Conditional Gaussian Mixture Model For Personalized Prediction On Dialysis Events

Patent Number: 12,481,882
Jingchao Ni; Haifeng Chen; Wei Cheng
November 25, 2025

Superclass-Conditional Gaussian Mixture Model For Personalized Prediction On Dialysis Events

Patent Number: 12,481,883
Wei Cheng; Haifeng Chen; Jingchao Ni
November 25, 2025

Trigger Point Detection For Online Root Cause Analysis And System Fault Diagnosis

Patent Number: 12,436,835
Haifeng Chen; Dongjie Wang; Liang Tong; Zhengzhang Chen
October 7, 2025

Incremental Causal Graph Learning For Attack Forensics In Computer Systems

Patent Number: 12,407,718
Dongjie Wang; Haifeng Chen; Zhengzhang Chen
September 2, 2025

Aspect-Aware Sentiment Analysis Of User Reviews Supporting AI-Based Decision Making

Patent Number: 12,406,152
Wei Cheng; Wenchao Yu; Haifeng Chen
September 2, 2025

Automated Non-Synchronization Detection And Resolution To Support Decision Making In Complex Systems

Patent Number: 12,406,025
Yanchi Liu; Haifeng Chen; Motoyuki Sato
September 2, 2025

Interpretable Imitation Learning Via Prototypical Option Discovery For Decision Making

Patent Number: 12,380,360
Haifeng Chen; Wei Cheng; Wenchao Yu
August 05, 2025

Federated Learning For Anomaly Detection

Patent Number: 12,346,808
Wei Zhu; Cristian Lumezanu; Takehiko Mizoguchi; Yuncong Chen; Dongjin Song; Haifeng Chen
July 1, 2025

Meta Imitation Learning With Structured Skill Discovery

Patent Number: 12,346,807
Wei Cheng; Haifeng Chen; Yiwei Sun; Wenchao Yu
July 1, 2025

Meta Imitation Learning With Structured Skill Discovery

Patent Number: 12,346,814
Yiwei Sun; Wei Cheng; Wenchao Yu; Haifeng Chen
July 1, 2025

Meta Imitation Learning With Structured Skill Discovery

Patent Number: 12,346,815
Wenchao Yu; Haifeng Chen; Yiwei Sun; Wei Cheng
July 1, 2025

System And Method To Build Natural Language Processing Model For Cybersecurity Under Low-Resource Scenario

Patent Number: 12,346,657
Haifeng Chen; Yanchi Liu; Xiao Yu; Yufei Li
July 1, 2025

Edge-Side Federated Learning For Anomaly Detection

Patent Number: 12,340,308
Cristian Lumezanu; Haifeng Chen; Dongjin Song; Takehiko Mizoguchi; Yuncong Chen; Wei Zhu
June 24, 2025

Disentangled Graph Learning For Incremental Causal Discovery And Root Cause Analysis

Patent Number: 12,332,734
Liang Tong; Haifeng Chen; Zhengzhang Chen; Dongjie Wang
June 17, 2025

Efficient Transformer For Content-Aware Anomaly Detection In Event Sequences

Patent Number: 12,333,005
Haifeng Chen; Yanchi Liu; Shengming Zhang; Wei Cheng; Xuchao Zhang
June 17, 2025

Meta Imitation Learning With Structured Skill Discovery

Patent Number: 12,333,434
Wei Cheng; Yiwei Sun; Wenchao Yu; Haifeng Chen
June 17, 2025

Data Fusion And Analysis Engine For Automobile Sensors

Patent Number: 12,263,849
Haifeng Chen; Yuji Kobayashi; Yuncong Chen; LuAn Tang; Yuxiang Ren; Wei Cheng; Zhengzhang Chen
April 1, 2025

Ordinal Time Series Classification With Missing Information

Patent Number: 12,242,542
Takehiko Mizoguchi; Dongjin Song; Jurijs Nazarovs; Haifeng Chen; Yuncong Chen; Cristian Lumezanu
March 4, 2025

Incremental Causal Discovery And Root Cause Localization For Online System Fault Diagnosis

Patent Number: 12,204,398
Liang Tong; Haifeng Chen; Dongjie Wang; Zhengzhang Chen
January 21, 2025

Co-Disentangled Time Series/Text Multi-Modal Representation Learning For Controllable Generation

Patent Number: 12,205,028
Yuncong Chen; Wenchao Yu; Haifeng Chen; Zexue He; LuAn Tang; Xuchao Zhang; Zhengzhang Chen
January 21, 2025

Vehicle Intelligence Tool For Early Warning With Fault Signature

Patent Number: 12,205,418
Haifeng Chen; Wei Cheng; Yuji Kobayashi; LuAn Tang; Zhengzhang Chen
January 21, 2025

Intent Detection Via Multi-Hop Unified Syntactic Graph

Patent Number: 12,153,878
Yanchi Liu; Haifeng Chen; Xuchao Zhang
November 26, 2024

Learning Word Representations Via Commonsense Reasoning

Patent Number: 12,154,024
Haifeng Chen; Bo Zong; Zhen Wang
November 26, 2024

Interpreting Cross-Lingual Models For Natural Language Inference

Patent Number: 12,135,951
Xuchao Zhang; Yanchi Liu; Haifeng Chen; Bo Zong
November 5, 2024

Approach To Determining A Remaining Useful Life Of A System

Patent Number: 12,130,616
Haifeng Chen; Masanao Natsumeda
October 29, 2024

Object Localization And Threat Classification For Optical Cable Protection

Patent Number: 12,111,189
Shaobo Han; Ming-Fang Huang; Ting Wang
October 8, 2024

Self-Learning Framework of Zero-Shot Cross-Lingual Transfer with Uncertainty Estimation

Patent Number: 12,073,183
Xuchao Zhang; Haifeng Chen
August 27, 2024

Cross-Lingual Zero-Shot Transfer Via Semantic And Synthetic Representation Learning

Patent Number: 12,050,870
Bo Zong; Yanchi Liu; Wei Cheng; Junxiang Wang; Xuchao Zhang; Haifeng Chen
July 30, 2024

Graph-Based Cross-Lingual Zero-Shot Transfer

Patent Number: 12,045,569
Yanchi Liu; Xuchao Zhang; Haifeng Chen; Bo Zong
July 23, 2024

Robustness Assessment For Face Recognition

Patent Number: 12,008,471
Zhengzhang Chen; Haifeng Chen; Liang Tong
June 11, 2024

Multi-Scale Multi-Granularity Spatial-Temporal Traffic Volume Prediction

Patent Number: 11,842,271
Bo Zong; Yanchi Liu; Denghui Zhang; Haifeng Chen; Wei Cheng; LuAn Tang
December 12, 2023

Automatic Code Editing From Few Samples

Patent Number: 11,782,703
Wei Cheng; Haifeng Chen; Xuchao Zhang
October 10, 2023

Causal Attention-Based Multi-Stream Rnn For Computer System Metric Prediction And Influential Events Identification Based On Metric And Event Logs

Patent Number: 11,782,812
Yuncong Chen; Wei Cheng; Takehiko Mizoguchi; Cristian Lumezanu; Masanao Natsumeda; Haifeng Chen; Zhengzhang Chen; Xiao Yu
October 10, 2023

Temporal Context-Aware Representation Learning For Question Routing

Patent Number: 11,782,962
Bo Zong; Xuchao Zhang; Wei Cheng; Haifeng Chen
October 10, 2023

Tensorized Lstm With Adaptive Shared Memory For Learning Trends In Multivariate Time Series

Patent Number: 11,783,181
Jingchao Ni; Haifeng Chen; Dongkuan Xu; Wenchao Yu; Wei Cheng
October 10, 2023

Adversarial Cooperative Imitation Learning For Dynamic Treatment

Patent Number: 11,783,189
Haifeng Chen; Wenchao Yu
October 10, 2023

Electronic Control Unit Testing Optimization

Patent Number: 11,756,349
Haifeng Chen; Jianwu Xu
September 12, 2023

Mining And Integrating Program-Level Context Information Into Low-Level System Provenance Graphs

Patent Number: 11,741,220
Haifeng Chen; Xiao Yu; Fei Zuo
August 29, 2023

Embedding Multi-Modal Time Series And Text Data

Patent Number: 11,741,146
Dongjin Song; Cristian Lumezanu; Yuncong Chen; Xuchao Zhang; Haifeng Chen; Takehiko Mizoguchi
August 29, 2023

Ensemble of Clustered Dual-stage Attention based Recurrent Neural Networks for Multivariate Time Series Prediction

Patent Number: 11,699,065
Haifeng Chen; Yuncong Chen; Dongjin Song
July 11, 2023

Optimization Of Cyber-Physical Systems

Patent Number: 11,687,772
LuAn Tang; Shuchu Han; Haifeng Chen
June 27, 2023

Failure Prediction

Patent Number: 11,675,641
Masanao Natsumeda; Haifeng Chen; Wei Cheng
June 13, 2023

A Semi-supervised Deep Model for Turbulence Forecasting

Patent Number: 11,650,351
Haifeng Chen; Denghui Zhang; Wei Cheng; Zhengzhang Chen; Yanchi Liu; Bo Zong; Jingchao Ni
May 16, 2023

Deep Graph De-noise by Differentiable Ranking

Patent Number: 11,645,540
Haifeng Chen; Bo Zong; Cheng Zheng
May 9, 2023

Graph based Method for Inductive Bug Localization

Patent Number: 11,645,192
Xuchao Zhang; Haifeng Chen; Bo Zong
May 9, 2023

Landmark-Based Classification Model Updating

Patent Number: 11,620,518
Dongjin Song; Cristian Lumezanu; Takehiko Mizoguchi; Haifeng Chen; Xiaoyuan Liang; Yuncong Chen; Wei Cheng
April 4, 2023

Flexible Edge-Empowered Graph Convolutional Networks With Node-Edge Enhancement

Patent Number: 11,620,492
Pengyang Wang; Jiaping Gui; Haifeng Chen; Zhengzhang Chen; Junghwan Rhee
April 4, 2023

Method For Supervised Graph Sparsification

Patent Number: 11,610,114
Jingchao Ni; Haifeng Chen; Cheng Zheng; Bo Zong
March 21, 2023

Failure Prediction Using Gradient-Based Sensor Identification

Patent Number: 11,604,934
Haifeng Chen; Yuncong Chen; Masanao Natsumeda; Wei Cheng
March 14, 2023

Anomaly Detection With Graph Adversarial Training In Computer Systems

Patent Number: 11,606,389
Zhengzhang Chen; Junghwan Rhee; Shen Wang; Jiaping Gui; Haifeng Chen
March 14, 2023

Node Classification In Dynamic Networks Using Graph Factorization

Patent Number: 11,606,393
Jingchao Ni; Haifeng Chen; Wei Cheng; Bo Zong; LuAn Tang
March 14, 2023

Efficient And Scalable Enclave Protection For Machine Learning Programs

Patent Number: 11,573,828
Haifeng Chen; Kyungtae Kim; Junghwan Rhee; Chung Hwan Kim; Xiao Yu; LuAn Tang
February 7, 2023

Sensor Attribution For Anomaly Detection

Patent Number: 11,543,808
Haifeng Chen; Dongjin Song; Cristian Lumezanu; Takehiko Mizoguchi
January 3, 2023

Unsupervised Graph Similarity Learning Based On Stochastic Subgraph Sampling

Patent Number: 11,544,377
Bo Zong; Lichen Wang; Haifeng Chen
January 3, 2023

Self-Attentive Attributed Network Embedding

Patent Number: 11,544,530
Wenchao Yu; Haifeng Chen; Wei Cheng
January 3, 2023

Root Cause Analysis For Space Weather Events

Patent Number: 11,543,561
Masanao Natsumeda; Haifeng Chen
January 3, 2023

Fully Convolutional Transformer Based Generative Adversarial Networks

Patent Number: 11,538,143
Haifeng Chen; Xinyang Feng; Yuncong Chen; Dongjin Song
December 27, 2022

Structural Graph Neural Networks For Suspicious Event Detection

Patent Number: 11,522,881
Haifeng Chen; Jiaping Gui; Zhengzhang Chen; Lei Cai
December 6, 2022

Asymmetrically Hierarchical Networks With Attentive Interactions For Interpretable Review-Based Recommendation

Patent Number: 11,521,255
Haifeng Chen; Bo Zong; Jingchao Ni; Wei Cheng; Xin Dong
December 6, 2022

Word-Overlap-Based Clustering Cross-Modal Retrieval

Patent Number: 11,520,993
Hao Yuan; Cristian Lumezanu; Takehiko Mizoguchi; Yuncong Chen; Haifeng Chen; Dongjin Song
December 6, 2022

Dynamic Transaction Graph Analysis

Patent Number: 11,496,493
Dongjin Song; Bo Zong; Wenchao Yu; Haifeng Chen; LuAn Tang; Jingchao Ni; Wei Cheng
November 8, 2022

Anomaly Detection Using Deep Learning On Time Series Data

Patent Number: 11,494,618
Haifeng Chen; Ning Xia; Dongjin Song
November 8, 2022

Deep Network Embedding with Adversarial Regularization

Patent Number: 11,468,262
Wenchao Yu; Haifeng Chen; Kenji Yoshihira; Wei Cheng
October 11, 2022

Spatio Temporal Gated Recurrent Unit

Patent Number: 11,461,619
Dongkuan Xu; Haifeng Chen; Wei Cheng
October 4, 2022

Unknown Malicious Program Behavior Detection Using a Graph Neural Network

Patent Number: 11,463,472
Shen Wang; Zhengzhang Chen; Zhichun Li; Ding Li
October 4, 2022

Interpretable Click-Through Rate Prediction Through Hierarchical Attention

Patent Number: 11,423,436
Wei Cheng; Haifeng Chen
August 23, 2022

Provenance-Based Threat Detection Tools and Stealthy Malware Detection

Patent Number: 11,423,146
Qi Wang; Ding Li; Xiao Yu; Junghwan Rhee; Haifeng Chen
August 23, 2022

Confidential Machine Learning with Program Compartmentalization

Patent Number: 11,423,142
Kangkook Jee; Junghwan Rhee; Zhichun Li; Chung Hwan Kim
August 23, 2022

Background Suppression for Anomaly Detection

Patent Number: 11,417,090
Yuncong Chen; Haifeng Chen; Dongjin Song
August 16, 2022

Topology-Inspired Neural Network Autoencoding For Electronic System Fault Detection

Patent Number: 11,379,284
Haifeng Chen; Wei Cheng; Masanao Natsumeda
July 5, 2022

Audio Scene Recognition Using Time Series Analysis

Patent Number: 11,355,138
Yuncong Chen; Bo Dong; Cristian Lumezanu; Haifeng Chen; Dongjin Song; Takehiko Mizoguchi
June 7, 2022

Securing Software Installation Through Deep Graph Learning

Patent Number: 11,321,066
Junghwan Rhee; Xiao Yu; Ding Li; Xueyuan Han; Haifeng Chen
May 3, 2022

Temporal Behavior Analysis Of Network Traffic

Patent Number: 11,323,465
Bo Zong; Jingchao Ni; Haifeng Chen; Wei Cheng; LuAn Tang
May 3, 2022

System and Method for Contextual Event Sequence Analysis

Patent Number: 11,294,754
Hui Zhang; Haifeng Chen; Tanay Kumar Saha; Jianwu Xu
April 5, 2022

Protocol-Independent Anomaly Detection

Patent Number: 11,297,082
Zhengzhang Chen; LuAn Tang; Junghwan Rhee; Chung Hwan Kim; Ziqiao Zhou; Zhichun Li
April 5, 2022

Temporal Discrete Event Analytics System

Patent Number: 11,297,142
Bin Nie; Jianwu Xu; Haifeng Chen
April 5, 2022

Graphics Processing Unit Accelerated Trusted Execution Environment

Patent Number: 11,295,008
Zhichun Li; Haifeng Chen; Junghwan Rhee; Kangkook Jee; Chung Hwan Kim; Adil Ahmad
April 5, 2022

Detecting Anomalies In A Plurality Of Showcases

Patent Number: 11,280,816
Haifeng Chen; Wei Cheng; Masanao Natsumeda
March 22, 2022

Mining Nonlinear Dependencies Via Neighborhood Mixture Model

Patent Number: 11,281,990
Haifeng Chen; Wei Cheng; Guofei Jiang; Kai Zhang
March 22, 2022

Real-Time Threat Alert Forensic Analysis

Patent Number: 11,275,832
Xiao Yu; Kangkook Jee; Zhengzhang Chen; Zhichun Li; Ding Li
March 15, 2022

Deep Q-Network Reinforcement Learning For Testing Case Selection And Prioritization

Patent Number: 11,249,887
Haifeng Chen; Yuchen Bian; Jianwu Xu
February 15, 2022