Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JR

James E. Rohen — 3 Patents

IBM: 3 patents #26,335 of 70,183Top 40%
Mint Hill, NC: #11 of 36 inventorsTop 35%
North Carolina: #14,708 of 45,564 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
James E. Rohen has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 1982 and the most recent in February 1993. James E. Rohen ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list James E. Rohen in Mint Hill, NC, US.

Patents per Year

Patents granted per year, 1982 to 1993Bar chart with a peak of 1 patents in 1982.peak 11982: 1 patents19821983: 1 patents19831993: 1 patents1993

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5186629 Virtual graphics display capable of presenting icons and windows to the blind computer user and method 1993-02-16 $14,472,000
4394621 Electronic velocity measurement especially for self-clocking write head 1983-07-19 $18,760,000
4354100 Scannable readout device 1982-10-12 $13,644,000