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USPTO Patent Rankings Data through Dec 31, 2025
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James D. Nihart — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Harrisburg, NC: #55 of 128 inventorsTop 45%
North Carolina: #18,944 of 45,564 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
James D. Nihart has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 1982 and the most recent in July 1990. James D. Nihart ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list James D. Nihart in Harrisburg, NC, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4941115 Hand-held tester for communications ports of a data processor Samuel M. Prabhakar 1990-07-10 $16,701,000
4345314 Dynamic threshold device Robert C. Melamud, James M. White 1982-08-17 $24,505,000