Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
LR

Lev Rapoport

JGJavad Gnss: 9 patents #2 of 17Top 15%
TSTopcon Positioning Systems: 6 patents #27 of 173Top 20%
YCYeda Research And Development Co.: 5 patents #139 of 1,403Top 10%
TGTopcon Gps: 4 patents #7 of 39Top 20%
Huawei: 2 patents #5,439 of 15,535Top 40%
MGMagellan Group: 2 patents #15 of 35Top 45%
VPVeeco Precision Surface Processing: 2 patents #9 of 20Top 45%
VIVeeco Instruments: 1 patents #165 of 323Top 55%
ASApplied Color Systems: 1 patents #2 of 12Top 20%
DADatacolor: 1 patents #17 of 38Top 45%
Yardley, PA: #36 of 643 inventorsTop 6%
Pennsylvania: #1,560 of 74,527 inventorsTop 3%
Overall (All Time): #106,153 of 4,157,543Top 3%
33 Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
7221314 Estimation and resolution of carrier wave ambiguities in a position navigation system Vernon Joseph Brabec, Clyde C. Goad, Alexander Khvalkov 2007-05-22
7102563 Methods and apparatuses of estimating the position of a mobile user in a system of satellite differential navigation Ivan Barabanov, Alexander Khvalkov 2006-09-05
7002513 Estimation and resolution of carrier wave ambiguities in a position navigation system Vernon Joseph Brabec, Clyde C. Goad, Alexander Khvalkov 2006-02-21
6950059 Position estimation using a network of a global-positioning receivers Alexei Eugenyevich Zinoviev 2005-09-27
6710020 Hollow fullerene-like nanoparticles as solid lubricants in composite metal matrices Reshef Tenne, Mark Lvovsky, Yishay Feldman, Volf Leshchinsky 2004-03-23
6626015 Beaker type dyeing machine Leonard Butler 2003-09-30
6229479 Relative position measuring techniques using both GPS and GLONASS carrier phase measurements Dmitry Kozlov, Alexander Povaliaev, Stanislav Sila-Novitsky, Vladimir Yefriemov 2001-05-08
5914685 Relative position measuring techniques using both GPS and GLONASS carrier phase measurements Dmitry Kozlov, Alexander Povaliaev, Stanislav Sila-Novitsky, Vladimir Yefriemov 1999-06-22