Bell Communications Research, Inc.
673Patents
0Active
673Granted
48Portfolio score
Filing activity: Jun 1, 1984 → Jan 8, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5742905A | Personal communications internetworking | Electricity | 1,911 | Expired |
| US5677955A | Electronic funds transfer instruments | Electricity | 1,418 | Expired |
| US5673322A | System and method for providing protocol translation and filtering to access the world wide web from wireless or low-bandwidth networks | Emerging Cross-Sectional Technologies | 824 | Expired |
| US5742668A | Electronic massaging network | Electricity | 761 | Expired |
| US5327486A | Method and system for managing telecommunications such as telephone calls | Emerging Cross-Sectional Technologies | 732 | Expired |
| US5301109A | Computerized cross-language document retrieval using latent semantic indexing | Physics | 658 | Expired |
| US5283829A | System and method for paying bills electronically | Physics | 649 | Expired |
| US4839853A | Computer information retrieval using latent semantic structure | Emerging Cross-Sectional Technologies | 640 | Expired |
| US5226383A | Gas foil rotating substrate holder | Chemistry; Metallurgy | 496 | Expired |
| US5335011A | Sound localization system for teleconferencing using self-steering microphone arrays | Electricity | 415 | Expired |
| US5371532A | Communications architecture and method for distributing information services | Electricity | 413 | Expired |
| US5136647A | Method for secure time-stamping of digital documents | Electricity | 408 | Expired |
| US5136646A | Digital document time-stamping with catenate certificate | Electricity | 353 | Expired |
| US4928301A | Teleconferencing terminal with camera behind display screen | Electricity | 341 | Expired |
| US5732078A | On-demand guaranteed bandwidth service for internet access points using supplemental user-allocatable bandwidth network | Electricity | 327 | Expired |
| US5331637A | Multicast routing using core based trees | Electricity | 320 | Expired |
| US5638446A | Method for the secure distribution of electronic files in a distributed environment | Electricity | 315 | Expired |
| US5343496A | Interference suppression in CDMA systems | Electricity | 296 | Expired |
| US5341474A | Communications architecture and buffer for distributing information services | Electricity | 285 | Expired |
| US5353283A | General internet method for routing packets in a communications network | Electricity | 276 | Expired |
| US5751961A | Integrated internet system for translating logical addresses of internet documents to physical addresses using integrated service control point | Electricity | 273 | Expired |
| US5926789A | Audio-based wide area information system | Physics | 264 | Expired |
| US5613032A | System and method for recording, playing back and searching multimedia events wherein video, audio and text can be searched and retrieved | Physics | 264 | Expired |
| US5737011A | Infinitely expandable real-time video conferencing system | Electricity | 251 | Expired |
| US4827518A | Speaker verification system using integrated circuit cards | Electricity | 247 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.