Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David S. Kaplan

HAHughes Aircraft: 1 patents #1,260 of 2,963Top 45%
USUS Dept of Health & Human Services: 1 patents #1,144 of 3,044Top 40%
VEVerifone: 1 patents #114 of 242Top 50%
Fairfax, VA: #242 of 1,249 inventorsTop 20%
Virginia: #6,192 of 34,511 inventorsTop 20%
Overall (All Time): #1,018,958 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8248245 Propinquity detection by portable devices David Talach 2012-08-21
5294541 Real-time monitoring of oxidative products from in vitro cell-biomaterial interaction using chemiluminescence Grace L. Picciolo, Edward P. Mueller 1994-03-15
4831334 Envelope amplifier Thomas Hudspeth, Harold A. Rosen 1989-05-16
4777133 Device for quantitative endpoint determination in immunofluorescence using microfluorophotometry Grace L. Picciolo 1988-10-11
4622291 Method and device for quantitative end point determination in immunofluorescence using microfluorophotometry Grace L. Picciolo 1986-11-11