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

John A. Herrod — 4 Patents

IBM: 4 patents #21,783 of 70,183Top 35%
Eastleigh, GB: #74 of 253 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John A. Herrod has been granted 4 US patents while listed as an inventor at IBM. The first was granted in 1989 and the most recent in December 1999. John A. Herrod ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John A. Herrod in Eastleigh, GB.

Patents per Year

Patents granted per year, 1989 to 1999Bar chart with a peak of 2 patents in 1989.peak 21989: 2 patents19891995: 1 patents19951999: 1 patents1999

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6005574 Data processing system including method and apparatus for performing graphics clipping operations 1999-12-21 $22,815,000
5384903 Graphics processing method and apparatus 1995-01-24 $12,425,000
4890257 Multiple window display system having indirectly addressable windows arranged in an ordered list Tefcros Anthias, George M. Trees 1989-12-26 $15,291,000
4845644 Data display system Tefcros Anthias, Martin W. Ricketts 1989-07-04