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

Lev Dulman

San Francisco, CA: #11,477 of 26,999 inventorsTop 45%
California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,591,260 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7136168 Interferometric topological metrology with pre-established reference scale 2006-11-14
6999181 Advanced signal processing technique for translating fringe line disturbances into sample height at a particular position above an interferometer's sample stage 2006-02-14
4957367 Inteferometric imaging system 1990-09-18