Clark E. Cohen
27Patents
15h-index
26Co-inventors
81Inventor score
Filing activity: Aug 24, 1989 → Feb 26, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6373432B1 | System using leo satellites for centimeter-level navigation | Physics | 173 | Expired |
| US5548293A | System and method for generating attitude determinations using GPS | Physics | 124 | Expired |
| US5583513A | System and method for generating precise code based and carrier phase position determinations | Physics | 114 | Expired |
| US5268695A | Differential phase measurement through antenna multiplexing | Physics | 109 | Expired |
| US5572218A | System and method for generating precise position determinations | Physics | 80 | Expired |
| US7372400B2 | Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming | Electricity | 59 | Expired |
| US7042392B2 | GPS access system and method | Physics | 49 | Expired |
| US6570534B2 | Low cost system and method for making dual band GPS measurements | Physics | 47 | Expired |
| US7554481B2 | Localized jamming of navigation signals | Electricity | 44 | Active |
| US7489926B2 | LEO-based positioning system for indoor and stand-alone navigation | Physics | 37 | Active |
| US7583225B2 | Low earth orbit satellite data uplink | Electricity | 35 | Active |
| US7579987B2 | Low earth orbit satellite providing navigation signals | Physics | 35 | Active |
| US7978130B1 | Practical method for upgrading existing GNSS user equipment with tightly integrated Nav-Com capability | Physics | 30 | Active |
| US6762714B2 | Low cost system and method for making dual band GPS measurements | Physics | 27 | Expired |
| US6882314B2 | Carrier-based differential-position determination using multi-frequency pseudolites | Physics | 19 | Expired |
| US11073622B2 | Performance and cost global navigation satellite system architecture | Physics | 14 | Active |
| USRE37256E | System and method for generating precise position determinations | General | 12 | Expired |
| US7904243B2 | Real-time data aiding for enhanced GPS performance | Physics | 9 | Active |
| US8019541B2 | Real-time data aiding for enhanced GPS performance | Physics | 7 | Active |
| US8296051B2 | Generalized high performance navigation system | Physics | 6 | Active |
| US8035558B2 | Precise absolute time transfer from a satellite system | Physics | 6 | Active |
| US7023381B2 | Multi-frequency pseudolites for carrier-based differential-position determination | Physics | 5 | Expired |
| US5070338A | Doppler determination of satellite attitude | Physics | 4 | Expired |
| US8160576B2 | LEO-based positioning system for indoor and stand-alone navigation | Physics | 3 | Active |
| US9618625B2 | System and method for continuous carrier wave reconstruction | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.