Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Constantin Dulu — 3 Patents in 2018

Microsoft: 3 patents #370 of 6,275Top 6%
Bothell, WA: #34 of 385 inventorsTop 9%
Washington: #1,277 of 12,409 inventorsTop 15%
Overall (2018): #79,587 of 503,207Top 20%
3 Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10146334 Passive optical and inertial tracking in slim form-factor Alexandru Balan, Christopher Douglas Edmonds, Mark J. Finocchio 2018-12-04
10146335 Modular extension of inertial controller for six DOF mixed reality input Alexandru Balan, Christopher Douglas Edmonds, Mark J. Finocchio 2018-12-04
10078377 Six DOF mixed reality input by fusing inertial handheld controller with hand tracking Alexandru Balan 2018-09-18