Inventor
REN LIWEI
US47 patents
⚠️ This page may combine multiple inventors who share the name “REN LIWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD
8 patentsUS11557141B2Jan 17, 2023
Text document categorization using rules and document fingerprints
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD2 citations67
US11321467B2May 3, 2022
System and method for security analysis
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD1 citations62
US10956669B2Mar 23, 2021
Expression recognition using character skipping
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD1 citations62
US11003767B2May 11, 2021
Multi-layer data model for security analytics
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD1 citations58
US11250131B2Feb 15, 2022
Multi-purpose agent for endpoint scanning
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations52
US11163948B2Nov 2, 2021
File fingerprint generation
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations52
US11012518B2May 18, 2021
Systems and methods for managing networked communication sessions
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations47
US11036839B2Jun 15, 2021
Password authentication with input pattern analysis
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD0 citations41
BEIJING VOYAGER TECH CO LTD
8 patentsUS11706027B2Jul 18, 2023
Systems and methods for managing a compromised autonomous vehicle server
BEIJING VOYAGER TECH CO LTD0 citations62
US11405206B2Aug 2, 2022
Systems and methods for managing a compromised autonomous vehicle server
BEIJING VOYAGER TECH CO LTD0 citations62
US11163555B2Nov 2, 2021
Tree delta encoding
BEIJING VOYAGER TECH CO LTD0 citations62
US11138000B2Oct 5, 2021
Tree delta encoding
BEIJING VOYAGER TECH CO LTD0 citations62
US11137999B2Oct 5, 2021
Tree delta encoding
BEIJING VOYAGER TECH CO LTD0 citations62
US11442722B2Sep 13, 2022
Tree-conversion delta encoding
BEIJING VOYAGER TECH CO LTD0 citations52
US11418351B2Aug 16, 2022
Systems and methods for managing a compromised autonomous vehicle server
BEIJING VOYAGER TECH CO LTD0 citations52
US11302182B2Apr 12, 2022
Systems and methods for vehicle identification
BEIJING VOYAGER TECH CO LTD0 citations52
REN LIWEI
7 patentsUS8321434B1Nov 27, 2012
Two tiered architecture of named entity recognition engine
REN LIWEI21 citations92
US9342697B1May 17, 2016
Scalable security policy architecture for data leakage prevention
REN LIWEI23 citations90
US8566317B1Oct 22, 2013
Apparatus and methods for scalable object clustering
REN LIWEI10 citations84
US8498965B1Jul 30, 2013
Methods and apparatus for generating difference files
REN LIWEI14 citations83
US8490203B1Jul 16, 2013
Fingerprinting based entity extraction
REN LIWEI9 citations83
US9098513B1Aug 4, 2015
Methods and systems for differencing orderly dependent files
REN LIWEI14 citations82
US8171002B2May 1, 2012
Matching engine with signature generation
REN LIWEI0 citations50
TREND MICRO INC
6 patentsUS8359472B1Jan 22, 2013
Document fingerprinting with asymmetric selection of anchor points
TREND MICRO INC36 citations93
US7950062B1May 24, 2011
Fingerprinting based entity extraction
TREND MICRO INC34 citations92
US9009825B1Apr 14, 2015
Anomaly detector for computer networks
TREND MICRO INC42 citations91
US7516130B2Apr 7, 2009
Matching engine with signature generation
TREND MICRO INC21 citations91
US8051487B2Nov 1, 2011
Cascading security architecture
TREND MICRO INC17 citations84
US7747642B2Jun 29, 2010
Matching engine for querying relevant documents
TREND MICRO INC2 citations61
XU QIUER
3 patentsUS8862555B1Oct 14, 2014
Methods and apparatus for generating difference files
XU QIUER28 citations86
US8782082B1Jul 15, 2014
Methods and apparatus for multiple-keyword matching
XU QIUER10 citations82
US8606772B1Dec 10, 2013
Efficient multiple-keyword match technique with large dictionaries
XU QIUER8 citations82