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USPTO Patent Rankings Data through Dec 31, 2025
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Constantin Dulu — 14 Patents

Microsoft: 14 patents #2,871 of 40,388Top 8%
Bothell, WA: #209 of 2,342 inventorsTop 9%
Washington: #7,280 of 76,902 inventorsTop 10%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Constantin Dulu has been granted 14 US patents while listed as an inventor at Microsoft. The first was granted in 2017 and the most recent in June 2023. Constantin Dulu ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Constantin Dulu in Bothell, WA, US.

Patents per Year

Patents granted per year, 2017 to 2023Bar chart with a peak of 4 patents in 2019.peak 42017: 1 patents20172018: 3 patents20182019: 4 patents20192020: 4 patents20202022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11682181 Dynamic adjustments in mixed-reality environment based on positional assumptions and configurations Erik Alexander Hill, Kathleen Carol Heasley, Jonathan Paulovich, Jake Thomas Shields 2023-06-20 $461,114,000
11354866 Dynamic adjustments in mixed-reality environment based on positional assumptions and configurations Erik Alexander Hill, Kathleen Carol Heasley, Jonathan Paulovich, Jake Thomas Shields 2022-06-07 $255,877,000
10818092 Robust optical disambiguation and tracking of two or more hand-held controllers with passive optical and inertial tracking Alexandru Balan 2020-10-27 $210,827,000
10740924 Tracking pose of handheld object Alexandru Balan, Yogeshwar Narayanan Nagaraj, William Douglas Guyman, Ivan Razumenic 2020-08-11 $116,675,000
10686875 Elastically scalable document-oriented storage services Dharma Shukla, Madhan Gajendran, Quetzalcoatl Bradley, Shireesh Kumar Thota, Karthik Raman +5 more 2020-06-16 $163,781,000
10620717 Position-determining input device Daniel McCulloch, Nicholas Gervase Fajt, Adam G. Poulos, Christopher Douglas Edmonds, Lev Cherkashin +13 more 2020-04-14 $125,652,000
10521026 Passive optical and inertial tracking in slim form-factor Alexandru Balan, Christopher Douglas Edmonds, Mark J. Finocchio 2019-12-31 $77,918,000
10254546 Optically augmenting electromagnetic tracking in mixed reality Adam G. Poulos, Arthur Tomlin, Alexandru Balan, Christopher Douglas Edmonds 2019-04-09 $61,620,000
10249090 Robust optical disambiguation and tracking of two or more hand-held controllers with passive optical and inertial tracking Alexandru Balan 2019-04-02 $55,404,000
10212218 Elastically scalable document-oriented storage services Dharma Shukla, Madhan Gajendran, Quetzalcoatl Bradley, Shireesh Kumar Thota, Karthik Raman +5 more 2019-02-19 $69,212,000
10146334 Passive optical and inertial tracking in slim form-factor Alexandru Balan, Christopher Douglas Edmonds, Mark J. Finocchio 2018-12-04 $68,963,000
10146335 Modular extension of inertial controller for six DOF mixed reality input Alexandru Balan, Christopher Douglas Edmonds, Mark J. Finocchio 2018-12-04 $68,963,000
10078377 Six DOF mixed reality input by fusing inertial handheld controller with hand tracking Alexandru Balan 2018-09-18 $107,363,000
9712608 Elastically scalable document-oriented storage services Dharma Shukla, Madhan Gajendran, Quetzalcoatl Bradley, Shireesh Kumar Thota, Karthik Raman +5 more 2017-07-18 $33,270,000

Frequent Collaborators

Alexandru Balan8 shared
Christopher Douglas Edmonds5 shared
Quetzalcoatl Bradley3 shared
Madhan Gajendran3 shared
Nemanja Matkovic3 shared
Mark C. Benvenuto3 shared

Nearby-Ranked Inventors

Ke PAN14
Naor Radami14
Jason Harris14
Gwangjae Jeon14
Masao Zen14
Yoshihiro YAMASAKI14
Sanjay Vakil14
Samuel Bartlett14
Taketoshi Okuno14