Liwei Ren
46Patents
13h-index
25Co-inventors
81Inventor score
Filing activity: Aug 3, 1999 → Jun 13, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7031972B2 | Algorithms for block-level code alignment of software binary files | Emerging Cross-Sectional Technologies | 37 | Expired |
| US9009825B1 | Anomaly detector for computer networks | Electricity | 34 | Active |
| US8140664B2 | Graphical user interface based sensitive information and internal information vulnerability management system | Electricity | 33 | Active |
| US8359472B1 | Document fingerprinting with asymmetric selection of anchor points | Physics | 29 | Active |
| US6512824B1 | Proxy database for element management system of telephone switching network | Electricity | 23 | Expired |
| US7950062B1 | Fingerprinting based entity extraction | Physics | 21 | Active |
| US9342697B1 | Scalable security policy architecture for data leakage prevention | Electricity | 20 | Active |
| US7089270B2 | Processing software images for use in generating difference files | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7516130B2 | Matching engine with signature generation | Emerging Cross-Sectional Technologies | 16 | Active |
| US8266150B1 | Scalable document signature search engine | Physics | 15 | Active |
| US8321434B1 | Two tiered architecture of named entity recognition engine | Physics | 14 | Active |
| US7392260B2 | Code alignment of binary files | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8051487B2 | Cascading security architecture | Physics | 13 | Active |
| US7860853B2 | Document matching engine using asymmetric signature generation | Physics | 13 | Active |
| US8862555B1 | Methods and apparatus for generating difference files | Physics | 12 | Active |
| US8468595B1 | Content filtering prior to data encryption | Electricity | 10 | Active |
| US8498965B1 | Methods and apparatus for generating difference files | Physics | 9 | Active |
| US8490203B1 | Fingerprinting based entity extraction | Physics | 8 | Active |
| US9098513B1 | Methods and systems for differencing orderly dependent files | Physics | 8 | Active |
| US9146704B1 | Document fingerprinting for mobile phones | Electricity | 7 | Active |
| US9203623B1 | Apparatus and methods for keyword proximity matching | Physics | 5 | Active |
| US8566317B1 | Apparatus and methods for scalable object clustering | Physics | 5 | Active |
| US6775376B2 | Proxy database for element management system of telephone switching network | Electricity | 5 | Expired |
| US8782082B1 | Methods and apparatus for multiple-keyword matching | Physics | 4 | Active |
| US8606772B1 | Efficient multiple-keyword match technique with large dictionaries | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.