Inventor
Clark E. Cohen
Inventor
Washington, DC, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Sprimary
G01SRadio direction-finding78%
H04KSecret communication13%
H04BTransmission6%
G01CMeasuring distances, levels or bearings3%
PatentTitleYear
9,618,625'System and method for continuous carrier wave reconstruction'20179,360,557'Systems, methods, devices and subassemblies for rapid-acquisition access to high-precision positioning, navigation and/or timing solutions'20168,296,051'Generalized high performance navigation system'20128,179,312'Precise absolute time transfer from a satellite system'20128,160,576'LEO-based positioning system for indoor and stand-alone navigation'20128,035,558'Precise absolute time transfer from a satellite system'20118,019,541'Real-time data aiding for enhanced GPS performance'20117,978,130'Practical method for upgrading existing GNSS user equipment with tightly integrated Nav-Com capability'20117,904,243'Real-time data aiding for enhanced GPS performance'20117,583,225'Low earth orbit satellite data uplink'20097,579,987'Low earth orbit satellite providing navigation signals'20097,554,481'Localized jamming of navigation signals'20097,489,926'LEO-based positioning system for indoor and stand-alone navigation'20097,372,400'Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming'20087,042,392'GPS access system and method'20067,023,381'Multi-frequency pseudolites for carrier-based differential-position determination'20066,882,314'Carrier-based differential-position determination using multi-frequency pseudolites'20056,762,714'Low cost system and method for making dual band GPS measurements'20046,570,534'Low cost system and method for making dual band GPS measurements'20036,373,432'System using leo satellites for centimeter-level navigation'2002RE037256'System and method for generating precise position determinations'20015,583,513'System and method for generating precise code based and carrier phase position determinations'19965,572,218'System and method for generating precise position determinations'19965,548,293'System and method for generating attitude determinations using GPS'19965,268,695'Differential phase measurement through antenna multiplexing'19935,070,338'Doppler determination of satellite attitude'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Based in Stanford, CA, US· patent location history
1993–2006Based in Palo Alto, CA, US· patent location history
1996–2002Patents assigned to UNIV LELAND STANFORD JUNIOR (3)· patent assignee history
2003–2017Based in Washington, DC, US· patent location history
2006–2012Patents assigned to BOEING CO (12)· patent assignee history
2012Patents assigned to COHEN CLARK E (3)· patent assignee history
2012Patents assigned to FERRELL BARTON G (3)· patent assignee history
2012Patents assigned to WHELAN DAVID A (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOEING CO | 12 | 2006–2012 |
| COHEN CLARK Eself | 3 | 2012 |
| FERRELL BARTON G | 3 | 2012 |
| UNIV LELAND STANFORD JUNIOR | 3 | 1996–2002 |
| WHELAN DAVID A | 3 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Washington, DC, US | 18 | 2003–2017 |
| Palo Alto, California, US | 7 | 1993–2006 |
| Stanford, California, US | 1 | 1991 |