Liwei Ren

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for managing a compromised autonomous vehicle s...
- Patent number 11,706,027
- Issue date Jul 18, 2023
- BEIJING VOYAGER TECHNOLOGY CO., LTD.
- Jiang Zhang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Text document categorization using rules and document fingerprints
- Patent number 11,557,141
- Issue date Jan 17, 2023
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tree-conversion delta encoding
- Patent number 11,442,722
- Issue date Sep 13, 2022
- BEIJING VOYAGER TECHNOLOGY CO., LTD.
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems and methods for managing a compromised autonomous vehicle s...
- Patent number 11,418,351
- Issue date Aug 16, 2022
- Beijing Voyager Technology, Inc.
- Jiang Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for managing a compromised autonomous vehicle s...
- Patent number 11,405,206
- Issue date Aug 2, 2022
- BEIJING VOYAGER TECHNOLOGY CO., LTD.
- Jiang Zhang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System and method for security analysis
- Patent number 11,321,467
- Issue date May 3, 2022
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Xiaodan Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems and methods for vehicle identification
- Patent number 11,302,182
- Issue date Apr 12, 2022
- BEIJING VOYAGER TECHNOLOGY CO., LTD.
- Xiaoyong Yi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-purpose agent for endpoint scanning
- Patent number 11,250,131
- Issue date Feb 15, 2022
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tree delta encoding
- Patent number 11,163,555
- Issue date Nov 2, 2021
- BEIJING VOYAGER TECHNOLOGY CO., LTD.
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File fingerprint generation
- Patent number 11,163,948
- Issue date Nov 2, 2021
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tree delta encoding
- Patent number 11,137,999
- Issue date Oct 5, 2021
- BEIJING VOYAGER TECHNOLOGY CO., LTD.
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tree delta encoding
- Patent number 11,138,000
- Issue date Oct 5, 2021
- BEIJING VOYAGER TECHNOLOGY CO., LTD.
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Password authentication with input pattern analysis
- Patent number 11,036,839
- Issue date Jun 15, 2021
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Xuewen Qin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems and methods for managing networked communication sessions
- Patent number 11,012,518
- Issue date May 18, 2021
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Shengyong Deng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-layer data model for security analytics
- Patent number 11,003,767
- Issue date May 11, 2021
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Dongsheng Mu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Expression recognition using character skipping
- Patent number 10,956,669
- Issue date Mar 23, 2021
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Benign file list generation
- Patent number 10,642,977
- Issue date May 5, 2020
- DIDI RESEARCH AMERICA, LLC
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-pronged file anomaly detection based on violation counts
- Patent number 10,496,842
- Issue date Dec 3, 2019
- DIDI RESEARCH AMERICA, LLC
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for file synchronization over a computer network
- Patent number 9,882,768
- Issue date Jan 30, 2018
- Trend Micro Incorporated
- Jian-Ying Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scalable security policy architecture for data leakage prevention
- Patent number 9,342,697
- Issue date May 17, 2016
- Trend Micro Incorporated
- Liwei Ren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and methods for keyword proximity matching
- Patent number 9,203,623
- Issue date Dec 1, 2015
- Trend Micro Incorporated
- Yingqiang Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Document fingerprinting for mobile phones
- Patent number 9,146,704
- Issue date Sep 29, 2015
- Trend Micro Incorporated
- Yuanhung Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for differencing orderly dependent files
- Patent number 9,098,513
- Issue date Aug 4, 2015
- Trend Micro Incorporated
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Anomaly detector for computer networks
- Patent number 9,009,825
- Issue date Apr 14, 2015
- Trend Micro Incorporated
- Hung-Jen Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for generating difference files
- Patent number 8,862,555
- Issue date Oct 14, 2014
- Trend Micro Incorporated
- Qiuer Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for multiple-keyword matching
- Patent number 8,782,082
- Issue date Jul 15, 2014
- Trend Micro Incorporated
- Qiuer Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Efficient multiple-keyword match technique with large dictionaries
- Patent number 8,606,772
- Issue date Dec 10, 2013
- Trend Micro Incorporated
- Qiuer Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and methods for scalable object clustering
- Patent number 8,566,317
- Issue date Oct 22, 2013
- Trend Micro Incorporated
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for generating difference files
- Patent number 8,498,965
- Issue date Jul 30, 2013
- Trend Micro Incorporated
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fingerprinting based entity extraction
- Patent number 8,490,203
- Issue date Jul 16, 2013
- Trend Micro Incorporated
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR MANAGING A COMPROMISED AUTONOMOUS VEHICLE S...
- Publication number 20220303135
- Publication date Sep 22, 2022
- Beijing Voyager Technology Co., Ltd.
- Jiang ZHANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
SYSTEMS AND METHODS FOR VEHICLE IDENTIFICATION
- Publication number 20220189292
- Publication date Jun 16, 2022
- Beijing Voyager Technology Co., Ltd.
- Xiaoyong YI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR MANAGING A COMPROMISED AUTONOMOUS VEHICLE S...
- Publication number 20220045859
- Publication date Feb 10, 2022
- Beijing Voyager Technology Co., Ltd.
- Jiang ZHANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
MULTI-PURPOSE AGENT FOR ENDPOINT SCANNING
- Publication number 20210192047
- Publication date Jun 24, 2021
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TEXT DOCUMENT CATEGORIZATION USING RULES AND DOCUMENT FINGERPRINTS
- Publication number 20210192203
- Publication date Jun 24, 2021
- BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR EVALUATION
- Publication number 20200401977
- Publication date Dec 24, 2020
- DiDi Research America, LLC
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TREE-CONVERSION DELTA ENCODING
- Publication number 20200210375
- Publication date Jul 2, 2020
- DiDi Research America, LLC
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR MANAGING A COMPROMISED AUTONOMOUS VEHICLE S...
- Publication number 20200213137
- Publication date Jul 2, 2020
- DiDi Research America, LLC
- Jiang ZHANG
- G05 - CONTROLLING REGULATING
Information Patent Application
TREE-CONVERSION DELTA ENCODING
- Publication number 20200210171
- Publication date Jul 2, 2020
- DiDi Research America, LLC
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR VEHICLE IDENTIFICATION
- Publication number 20200211369
- Publication date Jul 2, 2020
- DiDi Research America, LLC
- Xiaoyong YI
- G05 - CONTROLLING REGULATING
Information Patent Application
TREE DELTA ENCODING
- Publication number 20200201828
- Publication date Jun 25, 2020
- DiDi Research America, LLC
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR MANAGING NETWORKED COMMUNICATION SESSIONS
- Publication number 20200204630
- Publication date Jun 25, 2020
- DiDi Research America, LLC
- Shengyong DENG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TREE DELTA ENCODING
- Publication number 20200201817
- Publication date Jun 25, 2020
- DiDi Research America, LLC
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TREE DELTA ENCODING
- Publication number 20200201626
- Publication date Jun 25, 2020
- DiDi Research America, LLC
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PASSWORD AUTHENTICATION WITH INPUT PATTERN ANALYSIS
- Publication number 20200193001
- Publication date Jun 18, 2020
- DiDi Research America, LLC
- Xuewen QIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FINGERPRINTS FOR OPEN SOURCE CODE GOVERNANCE
- Publication number 20200125532
- Publication date Apr 23, 2020
- DiDi Research America, LLC
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTI-LAYER DATA MODEL FOR SECURITY ANALYTICS
- Publication number 20200065483
- Publication date Feb 27, 2020
- DiDi Research America, LLC
- Dongsheng MU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA SECURITY RISKS EVALUATION FOR THREAT DETECTION
- Publication number 20200067961
- Publication date Feb 27, 2020
- DiDi Research America, LLC
- Xuewen QIN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR SECURITY ANALYSIS
- Publication number 20200065498
- Publication date Feb 27, 2020
- DiDi Research America, LLC
- Xiaodan WANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FILE FINGERPRINT GENERATION
- Publication number 20200019605
- Publication date Jan 16, 2020
- DiDi Research America, LLC
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EXPRESSION RECOGNITION USING CHARACTER SKIPPING
- Publication number 20200019606
- Publication date Jan 16, 2020
- DiDi Research America, LLC
- Liwei REN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Matching Engine With Signature Generation
- Publication number 20090193018
- Publication date Jul 30, 2009
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Document matching engine using asymmetric signature generation
- Publication number 20080195606
- Publication date Aug 14, 2008
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Graphical user interface based sensitive information and internal i...
- Publication number 20060272024
- Publication date Nov 30, 2006
- Shu Huang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Matching engine with signature generation
- Publication number 20060253438
- Publication date Nov 9, 2006
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Cascading security architecture
- Publication number 20060253445
- Publication date Nov 9, 2006
- Fei Huang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Matching engine for querying relevant documents
- Publication number 20060253439
- Publication date Nov 9, 2006
- Liwei Ren
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

Systems and methods for managing a compromised autonomous vehicle s...

Text document categorization using rules and document fingerprints

Tree-conversion delta encoding

Systems and methods for managing a compromised autonomous vehicle s...

Systems and methods for managing a compromised autonomous vehicle s...

System and method for security analysis

Systems and methods for vehicle identification

Multi-purpose agent for endpoint scanning

Tree delta encoding

File fingerprint generation

Tree delta encoding

Tree delta encoding

Password authentication with input pattern analysis

Systems and methods for managing networked communication sessions

Multi-layer data model for security analytics

Expression recognition using character skipping

Benign file list generation

Multi-pronged file anomaly detection based on violation counts

Methods and apparatus for file synchronization over a computer network

Scalable security policy architecture for data leakage prevention

Apparatus and methods for keyword proximity matching

Document fingerprinting for mobile phones

Methods and systems for differencing orderly dependent files

Anomaly detector for computer networks

Methods and apparatus for generating difference files

Methods and apparatus for multiple-keyword matching

Efficient multiple-keyword match technique with large dictionaries

Apparatus and methods for scalable object clustering

Methods and apparatus for generating difference files

Fingerprinting based entity extraction

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR MANAGING A COMPROMISED AUTONOMOUS VEHICLE S...

SYSTEMS AND METHODS FOR VEHICLE IDENTIFICATION

SYSTEMS AND METHODS FOR MANAGING A COMPROMISED AUTONOMOUS VEHICLE S...

MULTI-PURPOSE AGENT FOR ENDPOINT SCANNING

TEXT DOCUMENT CATEGORIZATION USING RULES AND DOCUMENT FINGERPRINTS

SYSTEM AND METHOD FOR EVALUATION

TREE-CONVERSION DELTA ENCODING

SYSTEMS AND METHODS FOR MANAGING A COMPROMISED AUTONOMOUS VEHICLE S...

TREE-CONVERSION DELTA ENCODING

SYSTEMS AND METHODS FOR VEHICLE IDENTIFICATION

TREE DELTA ENCODING

SYSTEMS AND METHODS FOR MANAGING NETWORKED COMMUNICATION SESSIONS

TREE DELTA ENCODING

TREE DELTA ENCODING

PASSWORD AUTHENTICATION WITH INPUT PATTERN ANALYSIS

FINGERPRINTS FOR OPEN SOURCE CODE GOVERNANCE

MULTI-LAYER DATA MODEL FOR SECURITY ANALYTICS

DATA SECURITY RISKS EVALUATION FOR THREAT DETECTION

SYSTEM AND METHOD FOR SECURITY ANALYSIS

FILE FINGERPRINT GENERATION

EXPRESSION RECOGNITION USING CHARACTER SKIPPING

Matching Engine With Signature Generation

Document matching engine using asymmetric signature generation

Graphical user interface based sensitive information and internal i...

Matching engine with signature generation

Cascading security architecture

Matching engine for querying relevant documents