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

Keith A. Jack — 1 Patent

BRBrooktree: 1 patents #30 of 48Top 65%
San Diego, CA: #15,804 of 23,606 inventorsTop 70%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Keith A. Jack has been granted 1 US patent while listed as an inventor at Brooktree. All of these patents were granted in 1995. Keith A. Jack ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Keith A. Jack in San Diego, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5379077 System for and method of, operating upon NTSC and PAL signals Douglas Moran, David J. Wicker 1995-01-03 $2,418,000