Symbol Technologies, LLC
2,331Patents
1,123Active
2,331Granted
58Portfolio score
Filing activity: May 31, 1978 → Oct 9, 2023 · 516 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5979757A | Method and system for presenting item information using a portable data terminal | Physics | 942 | Expired |
| US5756981A | Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis means | Physics | 712 | Expired |
| US5337361A | Record with encoded data | Electricity | 566 | Expired |
| US5304786A | High density two-dimensional bar code symbol | Electricity | 559 | Expired |
| US6837436B2 | Consumer interactive shopping system | Physics | 496 | Expired |
| US6347163B2 | System for reading two-dimensional images using ambient and/or projected light | Physics | 471 | Expired |
| US5786582A | Optical scanner for reading and decoding one- and two-dimensional symbologies at variable depths of field | Physics | 426 | Expired |
| US7195157B2 | Consumer interactive shopping system | Physics | 425 | Active |
| US4387297A | Portable laser scanning system and scanning methods | Physics | 416 | Expired |
| US6340114B1 | Imaging engine and method for code readers | Physics | 399 | Expired |
| US4409470A | Narrow-bodied, single-and twin-windowed portable laser scanning head for reading bar code symbols | Physics | 391 | Expired |
| US5319181A | Method and apparatus for decoding two-dimensional bar code using CCD/CMD camera | Physics | 390 | Expired |
| US5029183A | Packet data communication network | Emerging Cross-Sectional Technologies | 380 | Expired |
| US5495097A | Plurality of scan units with scan stitching | Physics | 377 | Expired |
| US6101483A | Personal shopping system portable terminal | Physics | 375 | Expired |
| US5668803A | Protocol for packet data communication system | Electricity | 350 | Expired |
| US5157687A | Packet data communication network | Electricity | 350 | Expired |
| US7039027B2 | Automatic and seamless vertical roaming between wireless local area network (WLAN) and wireless wide area network (WWAN) while maintaining an active voice or streaming data connection: systems, methods and program products | Electricity | 345 | Expired |
| US7917888B2 | System and method for building multi-modal and multi-channel applications | Physics | 345 | Active |
| US6336587B1 | Optical code reader for producing video displays and measuring physical parameters of objects | Electricity | 344 | Expired |
| US5243655A | System for encoding and decoding data in machine readable graphic form | Physics | 328 | Expired |
| US5396054A | Bar code reader using scanned memory array | Physics | 326 | Expired |
| US5471533A | Record with encoded data | Electricity | 325 | Expired |
| US6084528A | Intranet scanning terminal system | Physics | 323 | Expired |
| US6199753A | Method and system for presenting item information using a portable data terminal | Physics | 320 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.