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USPTO Patent Rankings Data through Dec 31, 2025
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Nicholas Kalfas — 12 Patents

DEDexcom: 10 patents #130 of 397Top 35%
RSRemote Ocean Systems: 2 patents #2 of 8Top 25%
San Diego, CA: #3,665 of 23,606 inventorsTop 20%
California: #51,404 of 386,348 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Nicholas Kalfas has been granted 12 US patents while listed as an inventor at Dexcom. The first was granted in 2016 and the most recent in September 2025. Nicholas Kalfas ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Nicholas Kalfas in San Diego, CA, US.

Patents per Year

Patents granted per year, 2016 to 2025Bar chart with a peak of 4 patents in 2025.peak 42016: 2 patents20162022: 1 patents20222023: 3 patents20232024: 2 patents20242025: 4 patents2025

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12414715 Systems and method for activating analyte sensor electronics Jason Halac, Sebastian Bohm, Vincent P. Crabtree, David DeRenzy, Mark Dervaes +11 more 2025-09-16
12383173 Analyte sensor with impedance determination Sebastian Bohm, Anna Claire Harley-Trochimczyk, Daiting Rong, Rui Ma, Wenjie Lan +2 more 2025-08-12
12364415 Systems and methods relating to an analyte sensor system having a battery located within a disposable base Neel Narayan Shah, John Michael Gray, Jason Halac, Carl Erich Hoffmeier, Neal Davis Johnston 2025-07-22
12201417 Systems and method for activating analyte sensor electronics Jason Halac, Sebastian Bohm, Vincent P. Crabtree, David DeRenzy, Mark Dervaes +11 more 2025-01-21
12088201 System and method for activating an analyte monitoring system Gary T. Neel 2024-09-10 $377,141,000
12029560 Analyte sensor with impedance determination Sebastian Bohm, Anna Claire Harley-Trochimczyk, Daiting Rong, Rui Ma, Wenjie Lan +4 more 2024-07-09 $212,361,000
11690537 Systems and methods relating to an analyte sensor system having a battery located within a disposable base Neel Narayan Shah, John Michael Gray, Jason Halac, Carl Erich Hoffmeier, Neal Davis Johnston 2023-07-04
11642048 Systems and methods relating to an analyte sensor system having a battery located within a disposable base Neel Narayan Shah, John Michael Gray, Jason Halac, Carl Erich Hoffmeier, Neal Davis Johnston 2023-05-09 $117,115,000
11638540 Systems and method for activating analyte sensor electronics Jason Halac, Sebastian Bohm, Vincent P. Crabtree, David DeRenzy, Mark Dervaes +11 more 2023-05-02 $236,651,000
11350857 Systems and methods for activating analyte sensor electronics Jason Halac, Sebastian Bohm, Vincent P. Crabtree, David DeRenzy, Mark Dervaes +11 more 2022-06-07 $140,394,000
9509888 Sensor system for high-radiation environments — 2016-11-29
9264677 Camera system for hazardous environments — 2016-02-16

Frequent Collaborators

Jason Halac7 shared
Sebastian Bohm6 shared
Vincent P. Crabtree5 shared
Alexander Leroy Teeter4 shared
Peter C. Simpson4 shared
Jaroslaw Piotrowiak4 shared

Nearby-Ranked Inventors

John Patrick Hickey, III12
Gregory Lutter12
Josselin Xavier COUPARD12
Xuan Li12
Nandana Mihindukulasooriya12
Keiichi Matsuda12
Robert Imig12
Peter Mage12
Sze Ping Ching12