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USPTO Patent Rankings Data through Dec 31, 2025
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Christopher M. Duma — 5 Patents

DSDatcard Systems: 3 patents #4 of 10Top 40%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Newport Beach, CA: #394 of 1,653 inventorsTop 25%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Christopher M. Duma has been granted 5 US patents while listed as an inventor at Datcard Systems. The first was granted in 2011 and the most recent in August 2023. Christopher M. Duma ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Christopher M. Duma in Newport Beach, CA, US.

Patents per Year

Patents granted per year, 2011 to 2023Bar chart with a peak of 2 patents in 2015.peak 22011: 1 patents20112014: 1 patents20142015: 2 patents20152023: 1 patents2023

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11730767 Methods, apparatuses and systems for instilling stem cells and pharmaceuticals into the human ventricular system — 2023-08-22
9198597 Leading-edge cancer treatment — 2015-12-01
9111017 Personal information system Kenneth L. Wright, Chet La Guardia 2015-08-18
8799650 Secure portable medical information system and methods related thereto — 2014-08-05
7979387 Personal information system Kenneth L. Wright, Chet La Guardia 2011-07-12

Frequent Collaborators

Kenneth L. Wright2 shared
Chet La Guardia2 shared

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