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

Brian D. Key — 3 Patents

IBM: 3 patents #26,335 of 70,183Top 40%
Winchester, GB: #267 of 924 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Brian D. Key has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 1980 and the most recent in September 1989. Brian D. Key ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Brian D. Key in Winchester, GB.

Patents per Year

Patents granted per year, 1980 to 1989Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801982: 1 patents19821989: 1 patents1989

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4868863 Apparatus for connecting data processing equipment to a communication network John D. Hartley, Mark Germain, Ray Jepson, Victor G. Golding, Steven W. Cook +1 more 1989-09-19 $10,311,000
4334286 Data entry apparatus for entering tabular data row by row and column by column Shaun Kerigan, James B. Smith 1982-06-08 $10,172,000
4204089 Keyboard method and apparatus for accented characters James B. Smith, Shaun Kerigan 1980-05-20 $16,196,000