Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
LR

Liwei Ren — 46 Patents

TITrend Micro Incorporated: 22 patents #3 of 749Top 1%
BCBeijing Voyager Technology Co.: 8 patents #18 of 69Top 30%
ISInnopath Software: 3 patents #5 of 15Top 35%
DADidi Research America: 2 patents #4 of 36Top 15%
Sunnyvale, CA: #392 of 14,302 inventorsTop 3%
California: #9,121 of 386,348 inventorsTop 3%
Overall (All Time): #62,752 of 4,157,543Top 2%
46 Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
8782082 Methods and apparatus for multiple-keyword matching Qiuer Xu 2014-07-15
8606772 Efficient multiple-keyword match technique with large dictionaries Qiuer Xu 2013-12-10
8566317 Apparatus and methods for scalable object clustering Wei Yan 2013-10-22
8498965 Methods and apparatus for generating difference files Gen Chen, Vivian Wang 2013-07-30
8490203 Fingerprinting based entity extraction Shu Huang 2013-07-16
8468595 Content filtering prior to data encryption Fei Huang, Shu Huang 2013-06-18
8359472 Document fingerprinting with asymmetric selection of anchor points Qiuer Xu 2013-01-22
8321434 Two tiered architecture of named entity recognition engine Shu Huang 2012-11-27
8266150 Scalable document signature search engine Yingqiang Lin, Dehua Tan 2012-09-11
8171002 Matching engine with signature generation Dehua Tan, Fei Huang, Shu Huang, Aiguo Dong 2012-05-01
8140664 Graphical user interface based sensitive information and internal information vulnerability management system Shu Huang, Fei Huang, Aiguo Dong 2012-03-20
8051487 Cascading security architecture Fei Huang, Shu Huang 2011-11-01
7950062 Fingerprinting based entity extraction Shu Huang 2011-05-24
7860853 Document matching engine using asymmetric signature generation Shu Huang, Fei Huang, Yingqiang Lin 2010-12-28
7747642 Matching engine for querying relevant documents Shu Huang, Fei Huang, Aiguo Dong, Dehua Tan 2010-06-29
7516130 Matching engine with signature generation Dehua Tan, Fei Huang, Shu Huang, Aiguo Dong 2009-04-07
7392260 Code alignment of binary files Jinsheng Gu, Luosheng Peng 2008-06-24
7089270 Processing software images for use in generating difference files Jinsheng Gu 2006-08-08
7031972 Algorithms for block-level code alignment of software binary files Jinsheng Gu, Luosheng Peng 2006-04-18
6775376 Proxy database for element management system of telephone switching network Jian J. Hsieh, Phil A. Marzullo 2004-08-10
6512824 Proxy database for element management system of telephone switching network Jian J. Hsieh, Phil A. Marzullo 2003-01-28