NEC USA, Inc.
99Patents
0Active
99Granted
39Portfolio score
Filing activity: Jun 26, 1992 → Jul 29, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6175829A | Method and apparatus for facilitating query reformulation | Emerging Cross-Sectional Technologies | 399 | Expired |
| US5638371A | Multiservices medium access control protocol for wireless ATM system | Electricity | 369 | Expired |
| US5903559A | Method for internet protocol switching over fast ATM cell transport | Electricity | 366 | Expired |
| US5930783A | Semantic and cognition based image retrieval | Emerging Cross-Sectional Technologies | 259 | Expired |
| US5359362A | Videoconference system using a virtual camera image | Electricity | 240 | Expired |
| US5684791A | Data link control protocols for wireless ATM access channels | Electricity | 231 | Expired |
| US6415282B1 | Method and apparatus for query refinement | Emerging Cross-Sectional Technologies | 214 | Expired |
| US6480843B2 | Supporting web-query expansion efficiently using multi-granularity indexing and query processing | Emerging Cross-Sectional Technologies | 208 | Expired |
| US6324165A | Large capacity, multiclass core ATM switch architecture | Electricity | 161 | Expired |
| US6240423A | Method and system for image querying using region based and boundary based image matching | Emerging Cross-Sectional Technologies | 140 | Expired |
| US6408005B1 | Dynamic rate control scheduler for ATM networks | Electricity | 130 | Expired |
| US6393427B1 | Personalized navigation trees | Emerging Cross-Sectional Technologies | 118 | Expired |
| US6404738B1 | Dynamic network bandwidth allocation for multimedia applications with soft quality-of-service requirements | Electricity | 113 | Expired |
| US6498795B1 | Method and apparatus for active information discovery and retrieval | Electricity | 109 | Expired |
| US6549896B1 | System and method employing random walks for mining web page associations and usage to optimize user-oriented web page refresh and pre-fetch scheduling | Emerging Cross-Sectional Technologies | 104 | Expired |
| US6055571A | Computer network with microeconomic flow control | Electricity | 103 | Expired |
| US5974036A | Handoff-control technique for wireless ATM | Electricity | 93 | Expired |
| US5530695A | UPC-based traffic control framework for ATM networks | Electricity | 87 | Expired |
| US6345373B1 | System and method for testing high speed VLSI devices using slower testers | Physics | 82 | Expired |
| US6075240A | Hand-held plastic optical fiber linear scanner for reading color images formed on a surface | Electricity | 79 | Expired |
| US6064649A | Network interface card for wireless asynchronous transfer mode networks | Electricity | 76 | Expired |
| US6157027A | Modular optical fiber color image scanner with all-optical scanner head having side-coupled light guide for providing illumination light to the scanner head | Electricity | 75 | Expired |
| US5717691A | Multimedia network interface for asynchronous transfer mode communication system | Electricity | 71 | Expired |
| US6046981A | Multi-class connection admission control method for Asynchronous Transfer Mode (ATM) switches | Electricity | 70 | Expired |
| US6389019B1 | Time-based scheduler architecture and method for ATM networks | Electricity | 64 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.