Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JK

Jeffrey A. Kash

IBM: 29 patents #3,528 of 70,183Top 6%
Pleasantville, NY: #19 of 229 inventorsTop 9%
New York: #4,200 of 115,490 inventorsTop 4%
Overall (All Time): #132,301 of 4,157,543Top 4%
29 Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5343542 Tapered fabry-perot waveguide optical demultiplexer Bardia Pezeshki, Franklin F. Tong 1994-08-30
4845425 Full chip integrated circuit tester Johannes G. Beha, Russell W. Dreyfus, Gary W. Rubloff 1989-07-04
4703260 Full chip integrated circuit tester Johannes G. Beha, Russell W. Dreyfus, Gary W. Rubloff 1987-10-27
4626883 Textured crystal picosecond photoresponsive element Thomas F. Kuech 1986-12-02